diff --git a/Makefile b/Makefile index 986f3cdbad56..2b23383311ff 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 12 -SUBLEVEL = 5 +SUBLEVEL = 6 EXTRAVERSION = NAME = One Giant Leap for Frogkind diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi index f244f5f02365..9d1bfe445c3c 100644 --- a/arch/arm/boot/dts/sun6i-a31.dtsi +++ b/arch/arm/boot/dts/sun6i-a31.dtsi @@ -193,7 +193,10 @@ pio: pinctrl@01c20800 { compatible = "allwinner,sun6i-a31-pinctrl"; reg = <0x01c20800 0x400>; - interrupts = <0 11 1>, <0 15 1>, <0 16 1>, <0 17 1>; + interrupts = <0 11 4>, + <0 15 4>, + <0 16 4>, + <0 17 4>; clocks = <&apb1_gates 5>; gpio-controller; interrupt-controller; @@ -212,11 +215,11 @@ timer@01c20c00 { compatible = "allwinner,sun4i-timer"; reg = <0x01c20c00 0xa0>; - interrupts = <0 18 1>, - <0 19 1>, - <0 20 1>, - <0 21 1>, - <0 22 1>; + interrupts = <0 18 4>, + <0 19 4>, + <0 20 4>, + <0 21 4>, + <0 22 4>; clocks = <&osc24M>; }; @@ -228,7 +231,7 @@ uart0: serial@01c28000 { compatible = "snps,dw-apb-uart"; reg = <0x01c28000 0x400>; - interrupts = <0 0 1>; + interrupts = <0 0 4>; reg-shift = <2>; reg-io-width = <4>; clocks = <&apb2_gates 16>; @@ -238,7 +241,7 @@ uart1: serial@01c28400 { compatible = "snps,dw-apb-uart"; reg = <0x01c28400 0x400>; - interrupts = <0 1 1>; + interrupts = <0 1 4>; reg-shift = <2>; reg-io-width = <4>; clocks = <&apb2_gates 17>; @@ -248,7 +251,7 @@ uart2: serial@01c28800 { compatible = "snps,dw-apb-uart"; reg = <0x01c28800 0x400>; - interrupts = <0 2 1>; + interrupts = <0 2 4>; reg-shift = <2>; reg-io-width = <4>; clocks = <&apb2_gates 18>; @@ -258,7 +261,7 @@ uart3: serial@01c28c00 { compatible = "snps,dw-apb-uart"; reg = <0x01c28c00 0x400>; - interrupts = <0 3 1>; + interrupts = <0 3 4>; reg-shift = <2>; reg-io-width = <4>; clocks = <&apb2_gates 19>; @@ -268,7 +271,7 @@ uart4: serial@01c29000 { compatible = "snps,dw-apb-uart"; reg = <0x01c29000 0x400>; - interrupts = <0 4 1>; + interrupts = <0 4 4>; reg-shift = <2>; reg-io-width = <4>; clocks = <&apb2_gates 20>; @@ -278,7 +281,7 @@ uart5: serial@01c29400 { compatible = "snps,dw-apb-uart"; reg = <0x01c29400 0x400>; - interrupts = <0 5 1>; + interrupts = <0 5 4>; reg-shift = <2>; reg-io-width = <4>; clocks = <&apb2_gates 21>; diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 94f6b05f9e24..92f7b15dd221 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -404,6 +404,7 @@ EXPORT_SYMBOL(dump_fpu); unsigned long get_wchan(struct task_struct *p) { struct stackframe frame; + unsigned long stack_page; int count = 0; if (!p || p == current || p->state == TASK_RUNNING) return 0; @@ -412,9 +413,11 @@ unsigned long get_wchan(struct task_struct *p) frame.sp = thread_saved_sp(p); frame.lr = 0; /* recovered from the stack */ frame.pc = thread_saved_pc(p); + stack_page = (unsigned long)task_stack_page(p); do { - int ret = unwind_frame(&frame); - if (ret < 0) + if (frame.sp < stack_page || + frame.sp >= stack_page + THREAD_SIZE || + unwind_frame(&frame) < 0) return 0; if (!in_sched_functions(frame.pc)) return frame.pc; diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 00f79e59985b..af4e8c8a5422 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -31,7 +31,7 @@ int notrace unwind_frame(struct stackframe *frame) high = ALIGN(low, THREAD_SIZE); /* check current frame pointer is within bounds */ - if (fp < (low + 12) || fp + 4 >= high) + if (fp < low + 12 || fp > high - 4) return -EINVAL; /* restore the registers from the stack frame */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 8fcda140358d..65ed63f68ef8 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -503,9 +503,10 @@ static inline int __do_cache_op(unsigned long start, unsigned long end) { int ret; - unsigned long chunk = PAGE_SIZE; do { + unsigned long chunk = min(PAGE_SIZE, end - start); + if (signal_pending(current)) { struct thread_info *ti = current_thread_info(); diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 8e63ccdb0de3..8e44973b0139 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -17,12 +17,15 @@ #include #include #include +#include #include #include +#include #include #include #include #include +#include #include #include @@ -153,6 +156,24 @@ static struct notifier_block highbank_platform_nb = { .notifier_call = highbank_platform_notifier, }; +static int hb_keys_notifier(struct notifier_block *nb, unsigned long event, void *data) +{ + u32 key = *(u32 *)data; + + if (event != 0x1000) + return 0; + + if (key == KEY_POWER) + orderly_poweroff(false); + else if (key == 0xffff) + ctrl_alt_del(); + + return 0; +} +static struct notifier_block hb_keys_nb = { + .notifier_call = hb_keys_notifier, +}; + static void __init highbank_init(void) { pm_power_off = highbank_power_off; @@ -161,6 +182,8 @@ static void __init highbank_init(void) bus_register_notifier(&platform_bus_type, &highbank_platform_nb); bus_register_notifier(&amba_bustype, &highbank_amba_nb); + pl320_ipc_register_notifier(&hb_keys_nb); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 3d5db8c83b3c..832adb1a6dd2 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -399,7 +399,7 @@ static int _set_clockactivity(struct omap_hwmod *oh, u8 clockact, u32 *v) } /** - * _set_softreset: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v + * _set_softreset: set OCP_SYSCONFIG.SOFTRESET bit in @v * @oh: struct omap_hwmod * * @v: pointer to register contents to modify * @@ -427,6 +427,36 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v) } /** + * _clear_softreset: clear OCP_SYSCONFIG.SOFTRESET bit in @v + * @oh: struct omap_hwmod * + * @v: pointer to register contents to modify + * + * Clear the SOFTRESET bit in @v for hwmod @oh. Returns -EINVAL upon + * error or 0 upon success. + */ +static int _clear_softreset(struct omap_hwmod *oh, u32 *v) +{ + u32 softrst_mask; + + if (!oh->class->sysc || + !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET)) + return -EINVAL; + + if (!oh->class->sysc->sysc_fields) { + WARN(1, + "omap_hwmod: %s: sysc_fields absent for sysconfig class\n", + oh->name); + return -EINVAL; + } + + softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift); + + *v &= ~softrst_mask; + + return 0; +} + +/** * _wait_softreset_complete - wait for an OCP softreset to complete * @oh: struct omap_hwmod * to wait on * @@ -1911,6 +1941,12 @@ static int _ocp_softreset(struct omap_hwmod *oh) ret = _set_softreset(oh, &v); if (ret) goto dis_opt_clks; + + _write_sysconfig(v, oh); + ret = _clear_softreset(oh, &v); + if (ret) + goto dis_opt_clks; + _write_sysconfig(v, oh); if (oh->class->sysc->srst_udelay) @@ -3159,6 +3195,11 @@ int omap_hwmod_softreset(struct omap_hwmod *oh) goto error; _write_sysconfig(v, oh); + ret = _clear_softreset(oh, &v); + if (ret) + goto error; + _write_sysconfig(v, oh); + error: return ret; } diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 0c3a427da544..f234cbec0cb9 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1943,7 +1943,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_usb_host_hs_sysc = { .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), .sysc_fields = &omap_hwmod_sysc_type1, @@ -2021,15 +2022,7 @@ static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = { * hence HWMOD_SWSUP_MSTANDBY */ - /* - * During system boot; If the hwmod framework resets the module - * the module will have smart idle settings; which can lead to deadlock - * (above Errata Id:i660); so, dont reset the module during boot; - * Use HWMOD_INIT_NO_RESET. - */ - - .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | - HWMOD_INIT_NO_RESET, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, }; /* diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c index 0d5dd646f61f..263b15249b5b 100644 --- a/arch/arm/mach-pxa/reset.c +++ b/arch/arm/mach-pxa/reset.c @@ -13,6 +13,7 @@ #include #include +#include unsigned int reset_status; EXPORT_SYMBOL(reset_status); @@ -81,6 +82,12 @@ static void do_hw_reset(void) writel_relaxed(OSSR_M3, OSSR); /* ... in 100 ms */ writel_relaxed(readl_relaxed(OSCR) + 368640, OSMR3); + /* + * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71) + * we put SDRAM into self-refresh to prevent that + */ + while (1) + writel_relaxed(MDREFR_SLFRSH, MDREFR); } void pxa_restart(enum reboot_mode mode, const char *cmd) @@ -104,4 +111,3 @@ void pxa_restart(enum reboot_mode mode, const char *cmd) break; } } - diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 0206b915a6f6..ef5557b807ed 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -425,57 +425,57 @@ static struct platform_device tosa_power_device = { * Tosa Keyboard */ static const uint32_t tosakbd_keymap[] = { - KEY(0, 2, KEY_W), - KEY(0, 6, KEY_K), - KEY(0, 7, KEY_BACKSPACE), - KEY(0, 8, KEY_P), - KEY(1, 1, KEY_Q), - KEY(1, 2, KEY_E), - KEY(1, 3, KEY_T), - KEY(1, 4, KEY_Y), - KEY(1, 6, KEY_O), - KEY(1, 7, KEY_I), - KEY(1, 8, KEY_COMMA), - KEY(2, 1, KEY_A), - KEY(2, 2, KEY_D), - KEY(2, 3, KEY_G), - KEY(2, 4, KEY_U), - KEY(2, 6, KEY_L), - KEY(2, 7, KEY_ENTER), - KEY(2, 8, KEY_DOT), - KEY(3, 1, KEY_Z), - KEY(3, 2, KEY_C), - KEY(3, 3, KEY_V), - KEY(3, 4, KEY_J), - KEY(3, 5, TOSA_KEY_ADDRESSBOOK), - KEY(3, 6, TOSA_KEY_CANCEL), - KEY(3, 7, TOSA_KEY_CENTER), - KEY(3, 8, TOSA_KEY_OK), - KEY(3, 9, KEY_LEFTSHIFT), - KEY(4, 1, KEY_S), - KEY(4, 2, KEY_R), - KEY(4, 3, KEY_B), - KEY(4, 4, KEY_N), - KEY(4, 5, TOSA_KEY_CALENDAR), - KEY(4, 6, TOSA_KEY_HOMEPAGE), - KEY(4, 7, KEY_LEFTCTRL), - KEY(4, 8, TOSA_KEY_LIGHT), - KEY(4, 10, KEY_RIGHTSHIFT), - KEY(5, 1, KEY_TAB), - KEY(5, 2, KEY_SLASH), - KEY(5, 3, KEY_H), - KEY(5, 4, KEY_M), - KEY(5, 5, TOSA_KEY_MENU), - KEY(5, 7, KEY_UP), - KEY(5, 11, TOSA_KEY_FN), - KEY(6, 1, KEY_X), - KEY(6, 2, KEY_F), - KEY(6, 3, KEY_SPACE), - KEY(6, 4, KEY_APOSTROPHE), - KEY(6, 5, TOSA_KEY_MAIL), - KEY(6, 6, KEY_LEFT), - KEY(6, 7, KEY_DOWN), - KEY(6, 8, KEY_RIGHT), + KEY(0, 1, KEY_W), + KEY(0, 5, KEY_K), + KEY(0, 6, KEY_BACKSPACE), + KEY(0, 7, KEY_P), + KEY(1, 0, KEY_Q), + KEY(1, 1, KEY_E), + KEY(1, 2, KEY_T), + KEY(1, 3, KEY_Y), + KEY(1, 5, KEY_O), + KEY(1, 6, KEY_I), + KEY(1, 7, KEY_COMMA), + KEY(2, 0, KEY_A), + KEY(2, 1, KEY_D), + KEY(2, 2, KEY_G), + KEY(2, 3, KEY_U), + KEY(2, 5, KEY_L), + KEY(2, 6, KEY_ENTER), + KEY(2, 7, KEY_DOT), + KEY(3, 0, KEY_Z), + KEY(3, 1, KEY_C), + KEY(3, 2, KEY_V), + KEY(3, 3, KEY_J), + KEY(3, 4, TOSA_KEY_ADDRESSBOOK), + KEY(3, 5, TOSA_KEY_CANCEL), + KEY(3, 6, TOSA_KEY_CENTER), + KEY(3, 7, TOSA_KEY_OK), + KEY(3, 8, KEY_LEFTSHIFT), + KEY(4, 0, KEY_S), + KEY(4, 1, KEY_R), + KEY(4, 2, KEY_B), + KEY(4, 3, KEY_N), + KEY(4, 4, TOSA_KEY_CALENDAR), + KEY(4, 5, TOSA_KEY_HOMEPAGE), + KEY(4, 6, KEY_LEFTCTRL), + KEY(4, 7, TOSA_KEY_LIGHT), + KEY(4, 9, KEY_RIGHTSHIFT), + KEY(5, 0, KEY_TAB), + KEY(5, 1, KEY_SLASH), + KEY(5, 2, KEY_H), + KEY(5, 3, KEY_M), + KEY(5, 4, TOSA_KEY_MENU), + KEY(5, 6, KEY_UP), + KEY(5, 10, TOSA_KEY_FN), + KEY(6, 0, KEY_X), + KEY(6, 1, KEY_F), + KEY(6, 2, KEY_SPACE), + KEY(6, 3, KEY_APOSTROPHE), + KEY(6, 4, TOSA_KEY_MAIL), + KEY(6, 5, KEY_LEFT), + KEY(6, 6, KEY_DOWN), + KEY(6, 7, KEY_RIGHT), }; static struct matrix_keymap_data tosakbd_keymap_data = { diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index d57e66845c86..2e9d83673ef6 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -43,7 +43,7 @@ * Section */ #define PMD_SECT_VALID (_AT(pmdval_t, 1) << 0) -#define PMD_SECT_PROT_NONE (_AT(pmdval_t, 1) << 2) +#define PMD_SECT_PROT_NONE (_AT(pmdval_t, 1) << 58) #define PMD_SECT_USER (_AT(pmdval_t, 1) << 6) /* AP[1] */ #define PMD_SECT_RDONLY (_AT(pmdval_t, 1) << 7) /* AP[2] */ #define PMD_SECT_S (_AT(pmdval_t, 3) << 8) diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h index 27b2386f738a..842846c1b711 100644 --- a/arch/powerpc/include/asm/pgalloc-32.h +++ b/arch/powerpc/include/asm/pgalloc-32.h @@ -84,10 +84,8 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { - struct page *page = page_address(table); - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(page); - pgtable_free_tlb(tlb, page, 0); + pgtable_page_dtor(table); + pgtable_free_tlb(tlb, page_address(table), 0); } #endif /* _ASM_POWERPC_PGALLOC_32_H */ diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h index f65e27b09bd3..256d6f8a26a8 100644 --- a/arch/powerpc/include/asm/pgalloc-64.h +++ b/arch/powerpc/include/asm/pgalloc-64.h @@ -144,11 +144,9 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { - struct page *page = page_address(table); - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(page); - pgtable_free_tlb(tlb, page, 0); + pgtable_page_dtor(table); + pgtable_free_tlb(tlb, page_address(table), 0); } #else /* if CONFIG_PPC_64K_PAGES */ diff --git a/arch/x86/Makefile b/arch/x86/Makefile index eda00f9be0cf..57d021507120 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -31,8 +31,8 @@ ifeq ($(CONFIG_X86_32),y) KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return - # Don't autogenerate SSE instructions - KBUILD_CFLAGS += -mno-sse + # Don't autogenerate MMX or SSE instructions + KBUILD_CFLAGS += -mno-mmx -mno-sse # Never want PIC in a 32-bit kernel, prevent breakage with GCC built # with nonstandard options @@ -60,8 +60,8 @@ else KBUILD_AFLAGS += -m64 KBUILD_CFLAGS += -m64 - # Don't autogenerate SSE instructions - KBUILD_CFLAGS += -mno-sse + # Don't autogenerate MMX or SSE instructions + KBUILD_CFLAGS += -mno-mmx -mno-sse # Use -mpreferred-stack-boundary=3 if supported. KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3) diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index 379814bc41e3..6cf0111783d3 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -53,18 +53,18 @@ $(obj)/cpustr.h: $(obj)/mkcpustr FORCE # How to compile the 16-bit code. Note we always compile for -march=i386, # that way we can complain to the user if the CPU is insufficient. -KBUILD_CFLAGS := $(USERINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ +KBUILD_CFLAGS := $(USERINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ \ -DDISABLE_BRANCH_PROFILING \ -Wall -Wstrict-prototypes \ -march=i386 -mregparm=3 \ -include $(srctree)/$(src)/code16gcc.h \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ + -mno-mmx -mno-sse \ $(call cc-option, -ffreestanding) \ $(call cc-option, -fno-toplevel-reorder,\ - $(call cc-option, -fno-unit-at-a-time)) \ + $(call cc-option, -fno-unit-at-a-time)) \ $(call cc-option, -fno-stack-protector) \ $(call cc-option, -mpreferred-stack-boundary=2) -KBUILD_CFLAGS += $(call cc-option, -m32) KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ GCOV_PROFILE := n diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index dcd90df10ab4..c8a6792e7842 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -13,6 +13,7 @@ KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING cflags-$(CONFIG_X86_32) := -march=i386 cflags-$(CONFIG_X86_64) := -mcmodel=small KBUILD_CFLAGS += $(cflags-y) +KBUILD_CFLAGS += -mno-mmx -mno-sse KBUILD_CFLAGS += $(call cc-option,-ffreestanding) KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 5439117d5c4c..dec48bfaddb8 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -143,6 +143,8 @@ static inline int kvm_apic_id(struct kvm_lapic *apic) return (kvm_apic_get_reg(apic, APIC_ID) >> 24) & 0xff; } +#define KVM_X2APIC_CID_BITS 0 + static void recalculate_apic_map(struct kvm *kvm) { struct kvm_apic_map *new, *old = NULL; @@ -180,7 +182,8 @@ static void recalculate_apic_map(struct kvm *kvm) if (apic_x2apic_mode(apic)) { new->ldr_bits = 32; new->cid_shift = 16; - new->cid_mask = new->lid_mask = 0xffff; + new->cid_mask = (1 << KVM_X2APIC_CID_BITS) - 1; + new->lid_mask = 0xffff; } else if (kvm_apic_sw_enabled(apic) && !new->cid_mask /* flat mode */ && kvm_apic_get_reg(apic, APIC_DFR) == APIC_DFR_CLUSTER) { @@ -841,7 +844,8 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic) ASSERT(apic != NULL); /* if initial count is 0, current count should also be 0 */ - if (kvm_apic_get_reg(apic, APIC_TMICT) == 0) + if (kvm_apic_get_reg(apic, APIC_TMICT) == 0 || + apic->lapic_timer.period == 0) return 0; remaining = hrtimer_get_remaining(&apic->lapic_timer.timer); @@ -1691,7 +1695,6 @@ static void apic_sync_pv_eoi_from_guest(struct kvm_vcpu *vcpu, void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu) { u32 data; - void *vapic; if (test_bit(KVM_APIC_PV_EOI_PENDING, &vcpu->arch.apic_attention)) apic_sync_pv_eoi_from_guest(vcpu, vcpu->arch.apic); @@ -1699,9 +1702,8 @@ void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu) if (!test_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention)) return; - vapic = kmap_atomic(vcpu->arch.apic->vapic_page); - data = *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr)); - kunmap_atomic(vapic); + kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.apic->vapic_cache, &data, + sizeof(u32)); apic_set_tpr(vcpu->arch.apic, data & 0xff); } @@ -1737,7 +1739,6 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu) u32 data, tpr; int max_irr, max_isr; struct kvm_lapic *apic = vcpu->arch.apic; - void *vapic; apic_sync_pv_eoi_to_guest(vcpu, apic); @@ -1753,18 +1754,24 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu) max_isr = 0; data = (tpr & 0xff) | ((max_isr & 0xf0) << 8) | (max_irr << 24); - vapic = kmap_atomic(vcpu->arch.apic->vapic_page); - *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr)) = data; - kunmap_atomic(vapic); + kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apic->vapic_cache, &data, + sizeof(u32)); } -void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr) +int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr) { - vcpu->arch.apic->vapic_addr = vapic_addr; - if (vapic_addr) + if (vapic_addr) { + if (kvm_gfn_to_hva_cache_init(vcpu->kvm, + &vcpu->arch.apic->vapic_cache, + vapic_addr, sizeof(u32))) + return -EINVAL; __set_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention); - else + } else { __clear_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention); + } + + vcpu->arch.apic->vapic_addr = vapic_addr; + return 0; } int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data) diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index c730ac9fe801..c8b0d0d2da5c 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -34,7 +34,7 @@ struct kvm_lapic { */ void *regs; gpa_t vapic_addr; - struct page *vapic_page; + struct gfn_to_hva_cache vapic_cache; unsigned long pending_events; unsigned int sipi_vector; }; @@ -76,7 +76,7 @@ void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data); void kvm_apic_write_nodecode(struct kvm_vcpu *vcpu, u32 offset); void kvm_apic_set_eoi_accelerated(struct kvm_vcpu *vcpu, int vector); -void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); +int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e5ca72a5cdb6..eb9b9c9fc3d9 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3192,8 +3192,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, r = -EFAULT; if (copy_from_user(&va, argp, sizeof va)) goto out; - r = 0; - kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); + r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); break; } case KVM_X86_SETUP_MCE: { @@ -5718,36 +5717,6 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu) !kvm_event_needs_reinjection(vcpu); } -static int vapic_enter(struct kvm_vcpu *vcpu) -{ - struct kvm_lapic *apic = vcpu->arch.apic; - struct page *page; - - if (!apic || !apic->vapic_addr) - return 0; - - page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT); - if (is_error_page(page)) - return -EFAULT; - - vcpu->arch.apic->vapic_page = page; - return 0; -} - -static void vapic_exit(struct kvm_vcpu *vcpu) -{ - struct kvm_lapic *apic = vcpu->arch.apic; - int idx; - - if (!apic || !apic->vapic_addr) - return; - - idx = srcu_read_lock(&vcpu->kvm->srcu); - kvm_release_page_dirty(apic->vapic_page); - mark_page_dirty(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT); - srcu_read_unlock(&vcpu->kvm->srcu, idx); -} - static void update_cr8_intercept(struct kvm_vcpu *vcpu) { int max_irr, tpr; @@ -6047,11 +6016,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) struct kvm *kvm = vcpu->kvm; vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); - r = vapic_enter(vcpu); - if (r) { - srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); - return r; - } r = 1; while (r > 0) { @@ -6110,8 +6074,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); - vapic_exit(vcpu); - return r; } diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index c7e22ab29a5a..220fa52b9bd0 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -768,13 +768,6 @@ void __init efi_init(void) set_bit(EFI_MEMMAP, &x86_efi_facility); -#ifdef CONFIG_X86_32 - if (efi_is_native()) { - x86_platform.get_wallclock = efi_get_time; - x86_platform.set_wallclock = efi_set_rtc_mmss; - } -#endif - #if EFI_DEBUG print_efi_memmap(); #endif diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 0f92173a12b6..efe4d7220397 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1070,12 +1070,13 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, unsigned long status; bcp = &per_cpu(bau_control, cpu); - stat = bcp->statp; - stat->s_enters++; if (bcp->nobau) return cpumask; + stat = bcp->statp; + stat->s_enters++; + if (bcp->busy) { descriptor_status = read_lmmr(UVH_LB_BAU_SB_ACTIVATION_STATUS_0); diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile index 88692871823f..9cac82588cbc 100644 --- a/arch/x86/realmode/rm/Makefile +++ b/arch/x86/realmode/rm/Makefile @@ -73,9 +73,10 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \ -march=i386 -mregparm=3 \ -include $(srctree)/$(src)/../../boot/code16gcc.h \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ + -mno-mmx -mno-sse \ $(call cc-option, -ffreestanding) \ $(call cc-option, -fno-toplevel-reorder,\ - $(call cc-option, -fno-unit-at-a-time)) \ + $(call cc-option, -fno-unit-at-a-time)) \ $(call cc-option, -fno-stack-protector) \ $(call cc-option, -mpreferred-stack-boundary=2) KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 585c3b279feb..850246206b12 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -117,9 +117,6 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, if (flags & MSG_SENDPAGE_NOTLAST) flags |= MSG_MORE; - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - lock_sock(sk); sg_init_table(ctx->sgl.sg, 1); sg_set_page(ctx->sgl.sg, page, size, offset); diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 918a3b4148b8..a19c027b29bd 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -381,9 +381,6 @@ static ssize_t skcipher_sendpage(struct socket *sock, struct page *page, if (flags & MSG_SENDPAGE_NOTLAST) flags |= MSG_MORE; - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - lock_sock(sk); if (!ctx->more && ctx->used) goto unlock; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 333aa1bca13d..f535670b42d1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1429,6 +1429,20 @@ static void i9xx_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) POSTING_READ(DPLL(pipe)); } +static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) +{ + u32 val = 0; + + /* Make sure the pipe isn't still relying on us */ + assert_pipe_disabled(dev_priv, pipe); + + /* Leave integrated clock source enabled */ + if (pipe == PIPE_B) + val = DPLL_INTEGRATED_CRI_CLK_VLV; + I915_WRITE(DPLL(pipe), val); + POSTING_READ(DPLL(pipe)); +} + void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port) { u32 port_mask; @@ -3824,7 +3838,10 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc) if (encoder->post_disable) encoder->post_disable(encoder); - i9xx_disable_pll(dev_priv, pipe); + if (IS_VALLEYVIEW(dev)) + vlv_disable_pll(dev_priv, pipe); + else + i9xx_disable_pll(dev_priv, pipe); intel_crtc->active = false; intel_update_fbc(dev); @@ -4553,9 +4570,9 @@ static void vlv_update_pll(struct intel_crtc *crtc) /* Enable DPIO clock input */ dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; - if (pipe) + /* We should never disable this, set it here for state tracking */ + if (pipe == PIPE_B) dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; - dpll |= DPLL_VCO_ENABLE; crtc->config.dpll_hw_state.dpll = dpll; @@ -5015,6 +5032,32 @@ static void i9xx_get_pfit_config(struct intel_crtc *crtc, I915_READ(LVDS) & LVDS_BORDER_ENABLE; } +static void vlv_crtc_clock_get(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int pipe = pipe_config->cpu_transcoder; + intel_clock_t clock; + u32 mdiv; + int refclk = 100000; + + mutex_lock(&dev_priv->dpio_lock); + mdiv = vlv_dpio_read(dev_priv, DPIO_DIV(pipe)); + mutex_unlock(&dev_priv->dpio_lock); + + clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; + clock.m2 = mdiv & DPIO_M2DIV_MASK; + clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; + clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; + clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; + + clock.vco = refclk * clock.m1 * clock.m2 / clock.n; + clock.dot = 2 * clock.vco / (clock.p1 * clock.p2); + + pipe_config->adjusted_mode.clock = clock.dot / 10; +} + static bool i9xx_get_pipe_config(struct intel_crtc *crtc, struct intel_crtc_config *pipe_config) { @@ -5546,7 +5589,7 @@ static void intel_set_pipe_csc(struct drm_crtc *crtc) uint16_t postoff = 0; if (intel_crtc->config.limited_color_range) - postoff = (16 * (1 << 13) / 255) & 0x1fff; + postoff = (16 * (1 << 12) / 255) & 0x1fff; I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); @@ -6062,7 +6105,7 @@ void hsw_restore_lcpll(struct drm_i915_private *dev_priv) /* Make sure we're not on PC8 state before disabling PC8, otherwise * we'll hang the machine! */ - dev_priv->uncore.funcs.force_wake_get(dev_priv); + gen6_gt_force_wake_get(dev_priv); if (val & LCPLL_POWER_DOWN_ALLOW) { val &= ~LCPLL_POWER_DOWN_ALLOW; @@ -6093,7 +6136,7 @@ void hsw_restore_lcpll(struct drm_i915_private *dev_priv) DRM_ERROR("Switching back to LCPLL failed\n"); } - dev_priv->uncore.funcs.force_wake_put(dev_priv); + gen6_gt_force_wake_put(dev_priv); } void hsw_enable_pc8_work(struct work_struct *__work) @@ -9832,7 +9875,7 @@ static void intel_init_display(struct drm_device *dev) dev_priv->display.update_plane = ironlake_update_plane; } else if (IS_VALLEYVIEW(dev)) { dev_priv->display.get_pipe_config = i9xx_get_pipe_config; - dev_priv->display.get_clock = i9xx_crtc_clock_get; + dev_priv->display.get_clock = vlv_crtc_clock_get; dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; dev_priv->display.crtc_enable = valleyview_crtc_enable; dev_priv->display.crtc_disable = i9xx_crtc_disable; @@ -10088,12 +10131,19 @@ static void i915_disable_vga(struct drm_device *dev) void intel_modeset_init_hw(struct drm_device *dev) { + struct drm_i915_private *dev_priv = dev->dev_private; + intel_init_power_well(dev); intel_prepare_ddi(dev); intel_init_clock_gating(dev); + /* Enable the CRI clock source so we can get at the display */ + if (IS_VALLEYVIEW(dev)) + I915_WRITE(DPLL(PIPE_B), I915_READ(DPLL(PIPE_B)) | + DPLL_INTEGRATED_CRI_CLK_VLV); + mutex_lock(&dev->struct_mutex); intel_enable_gt_powersave(dev); mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/radeon/atombios_i2c.c b/drivers/gpu/drm/radeon/atombios_i2c.c index 0652ee0a2098..f685035dbe39 100644 --- a/drivers/gpu/drm/radeon/atombios_i2c.c +++ b/drivers/gpu/drm/radeon/atombios_i2c.c @@ -44,7 +44,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, PROCESS_I2C_CHANNEL_TRANSACTION_PS_ALLOCATION args; int index = GetIndexIntoMasterTable(COMMAND, ProcessI2cChannelTransaction); unsigned char *base; - u16 out; + u16 out = cpu_to_le16(0); memset(&args, 0, sizeof(args)); @@ -55,11 +55,14 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, DRM_ERROR("hw i2c: tried to write too many bytes (%d vs 3)\n", num); return -EINVAL; } - args.ucRegIndex = buf[0]; - if (num > 1) { + if (buf == NULL) + args.ucRegIndex = 0; + else + args.ucRegIndex = buf[0]; + if (num) num--; + if (num) memcpy(&out, &buf[1], num); - } args.lpI2CDataOut = cpu_to_le16(out); } else { if (num > ATOM_MAX_HW_I2C_READ) { @@ -96,14 +99,14 @@ int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap, struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap); struct i2c_msg *p; int i, remaining, current_count, buffer_offset, max_bytes, ret; - u8 buf = 0, flags; + u8 flags; /* check for bus probe */ p = &msgs[0]; if ((num == 1) && (p->len == 0)) { ret = radeon_process_i2c_ch(i2c, p->addr, HW_I2C_WRITE, - &buf, 1); + NULL, 0); if (ret) return ret; else diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 615c5b290e78..7f3b0d9aaada 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -304,9 +304,9 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo); WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ } - } else if (ASIC_IS_DCE3(rdev)) { + } else { /* according to the reg specs, this should DCE3.2 only, but in - * practice it seems to cover DCE3.0/3.1 as well. + * practice it seems to cover DCE2.0/3.0/3.1 as well. */ if (dig->dig_encoder == 0) { WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100); @@ -317,10 +317,6 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100); WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ } - } else { - /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */ - WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) | - AUDIO_DTO_MODULE(clock / 10)); } } diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index f79ee184ffd5..5c39bf7c3d88 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2918,7 +2918,7 @@ int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev, mpll_param->dll_speed = args.ucDllSpeed; mpll_param->bwcntl = args.ucBWCntl; mpll_param->vco_mode = - (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK) ? 1 : 0; + (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK); mpll_param->yclk_sel = (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0; mpll_param->qdr = diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index d96f7cbca0a1..fe0ec2cb2084 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3887,8 +3887,15 @@ static int si_mc_init(struct radeon_device *rdev) rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* size in MB on si */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; + tmp = RREG32(CONFIG_MEMSIZE); + /* some boards may have garbage in the upper 16 bits */ + if (tmp & 0xffff0000) { + DRM_INFO("Probable bad vram size: 0x%08x\n", tmp); + if (tmp & 0xffff) + tmp &= 0xffff; + } + rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL; + rdev->mc.real_vram_size = rdev->mc.mc_vram_size; rdev->mc.visible_vram_size = rdev->mc.aper_size; si_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 8bf646183bac..f738800c70cf 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -132,6 +132,12 @@ static int udl_gem_get_pages(struct udl_gem_object *obj, gfp_t gfpmask) static void udl_gem_put_pages(struct udl_gem_object *obj) { + if (obj->base.import_attach) { + drm_free_large(obj->pages); + obj->pages = NULL; + return; + } + drm_gem_put_pages(&obj->base, obj->pages, false, false); obj->pages = NULL; } diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index c08b5c14fece..aedfe50d557a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1725,6 +1725,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 9480b425b254..aeeea796f595 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -489,6 +489,7 @@ #define USB_VENDOR_ID_KYE 0x0458 #define USB_DEVICE_ID_KYE_ERGO_525V 0x0087 #define USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE 0x0138 +#define USB_DEVICE_ID_GENIUS_MANTICORE 0x0153 #define USB_DEVICE_ID_GENIUS_GX_IMPERATOR 0x4018 #define USB_DEVICE_ID_KYE_GPEN_560 0x5003 #define USB_DEVICE_ID_KYE_EASYPEN_I405X 0x5010 diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c index 73845120295e..d645caa690dd 100644 --- a/drivers/hid/hid-kye.c +++ b/drivers/hid/hid-kye.c @@ -342,6 +342,10 @@ static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 83, "Genius Gx Imperator Keyboard"); break; + case USB_DEVICE_ID_GENIUS_MANTICORE: + rdesc = kye_consumer_control_fixup(hdev, rdesc, rsize, 104, + "Genius Manticore Keyboard"); + break; } return rdesc; } @@ -439,6 +443,8 @@ static const struct hid_device_id kye_devices[] = { USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, + USB_DEVICE_ID_GENIUS_MANTICORE) }, { } }; MODULE_DEVICE_TABLE(hid, kye_devices); diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c index 2dc37c7c6947..7d68a08baaa8 100644 --- a/drivers/hwmon/hih6130.c +++ b/drivers/hwmon/hih6130.c @@ -43,6 +43,7 @@ * @last_update: time of last update (jiffies) * @temperature: cached temperature measurement value * @humidity: cached humidity measurement value + * @write_length: length for I2C measurement request */ struct hih6130 { struct device *hwmon_dev; @@ -51,6 +52,7 @@ struct hih6130 { unsigned long last_update; int temperature; int humidity; + size_t write_length; }; /** @@ -121,8 +123,15 @@ static int hih6130_update_measurements(struct i2c_client *client) */ if (time_after(jiffies, hih6130->last_update + HZ) || !hih6130->valid) { - /* write to slave address, no data, to request a measurement */ - ret = i2c_master_send(client, tmp, 0); + /* + * Write to slave address to request a measurement. + * According with the datasheet it should be with no data, but + * for systems with I2C bus drivers that do not allow zero + * length packets we write one dummy byte to allow sensor + * measurements on them. + */ + tmp[0] = 0; + ret = i2c_master_send(client, tmp, hih6130->write_length); if (ret < 0) goto out; @@ -252,6 +261,9 @@ static int hih6130_probe(struct i2c_client *client, goto fail_remove_sysfs; } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_QUICK)) + hih6130->write_length = 1; + return 0; fail_remove_sysfs: diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index 6cf6bff79003..a2f3b4a365e4 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 1404e6319deb..72a889702f0d 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -141,6 +141,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index 0e7017841f7d..aee14e2192f8 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -145,7 +145,7 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 }; */ static inline u8 FAN_TO_REG(long rpm, int div) { - if (rpm == 0) + if (rpm <= 0 || rpm > 1310720) return 0; return clamp_val(1310720 / (rpm * div), 1, 255); } diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index edb06cda5a68..6ed76ceb9270 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -481,9 +481,11 @@ store_pwm(struct device *dev, struct device_attribute *attr, if (err) return err; val = clamp_val(val, 0, 255); + val = DIV_ROUND_CLOSEST(val, 0x11); mutex_lock(&data->update_lock); - data->pwm[nr] = val; + data->pwm[nr] = val * 0x11; + val |= w83l786ng_read_value(client, W83L786NG_REG_PWM[nr]) & 0xf0; w83l786ng_write_value(client, W83L786NG_REG_PWM[nr], val); mutex_unlock(&data->update_lock); return count; @@ -510,7 +512,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); reg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG); data->pwm_enable[nr] = val; - reg &= ~(0x02 << W83L786NG_PWM_ENABLE_SHIFT[nr]); + reg &= ~(0x03 << W83L786NG_PWM_ENABLE_SHIFT[nr]); reg |= (val - 1) << W83L786NG_PWM_ENABLE_SHIFT[nr]; w83l786ng_write_value(client, W83L786NG_REG_FAN_CFG, reg); mutex_unlock(&data->update_lock); @@ -776,9 +778,10 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev) ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1; data->pwm_enable[i] = - ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 2) + 1; - data->pwm[i] = w83l786ng_read_value(client, - W83L786NG_REG_PWM[i]); + ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1; + data->pwm[i] = + (w83l786ng_read_value(client, W83L786NG_REG_PWM[i]) + & 0x0f) * 0x11; } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 8551dcaf24db..597e9b8fc18d 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1313,6 +1313,7 @@ static int elantech_set_properties(struct elantech_data *etd) break; case 6: case 7: + case 8: etd->hw_version = 4; break; default: diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index ae4b6b903629..5f87bed05467 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -106,6 +106,7 @@ struct usbtouch_device_info { struct usbtouch_usb { unsigned char *data; dma_addr_t data_dma; + int data_size; unsigned char *buffer; int buf_len; struct urb *irq; @@ -1521,7 +1522,7 @@ static int usbtouch_reset_resume(struct usb_interface *intf) static void usbtouch_free_buffers(struct usb_device *udev, struct usbtouch_usb *usbtouch) { - usb_free_coherent(udev, usbtouch->type->rept_size, + usb_free_coherent(udev, usbtouch->data_size, usbtouch->data, usbtouch->data_dma); kfree(usbtouch->buffer); } @@ -1566,7 +1567,20 @@ static int usbtouch_probe(struct usb_interface *intf, if (!type->process_pkt) type->process_pkt = usbtouch_process_pkt; - usbtouch->data = usb_alloc_coherent(udev, type->rept_size, + usbtouch->data_size = type->rept_size; + if (type->get_pkt_len) { + /* + * When dealing with variable-length packets we should + * not request more than wMaxPacketSize bytes at once + * as we do not know if there is more data coming or + * we filled exactly wMaxPacketSize bytes and there is + * nothing else. + */ + usbtouch->data_size = min(usbtouch->data_size, + usb_endpoint_maxp(endpoint)); + } + + usbtouch->data = usb_alloc_coherent(udev, usbtouch->data_size, GFP_KERNEL, &usbtouch->data_dma); if (!usbtouch->data) goto out_free; @@ -1626,12 +1640,12 @@ static int usbtouch_probe(struct usb_interface *intf, if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) usb_fill_int_urb(usbtouch->irq, udev, usb_rcvintpipe(udev, endpoint->bEndpointAddress), - usbtouch->data, type->rept_size, + usbtouch->data, usbtouch->data_size, usbtouch_irq, usbtouch, endpoint->bInterval); else usb_fill_bulk_urb(usbtouch->irq, udev, usb_rcvbulkpipe(udev, endpoint->bEndpointAddress), - usbtouch->data, type->rept_size, + usbtouch->data, usbtouch->data_size, usbtouch_irq, usbtouch); usbtouch->irq->dev = udev; diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 181c9ba929cd..0046a619527d 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -392,7 +392,7 @@ struct arm_smmu_domain { struct arm_smmu_cfg root_cfg; phys_addr_t output_mask; - spinlock_t lock; + struct mutex lock; }; static DEFINE_SPINLOCK(arm_smmu_devices_lock); @@ -897,7 +897,7 @@ static int arm_smmu_domain_init(struct iommu_domain *domain) goto out_free_domain; smmu_domain->root_cfg.pgd = pgd; - spin_lock_init(&smmu_domain->lock); + mutex_init(&smmu_domain->lock); domain->priv = smmu_domain; return 0; @@ -1134,7 +1134,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) * Sanity check the domain. We don't currently support domains * that cross between different SMMU chains. */ - spin_lock(&smmu_domain->lock); + mutex_lock(&smmu_domain->lock); if (!smmu_domain->leaf_smmu) { /* Now that we have a master, we can finalise the domain */ ret = arm_smmu_init_domain_context(domain, dev); @@ -1149,7 +1149,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) dev_name(device_smmu->dev)); goto err_unlock; } - spin_unlock(&smmu_domain->lock); + mutex_unlock(&smmu_domain->lock); /* Looks ok, so add the device to the domain */ master = find_smmu_master(smmu_domain->leaf_smmu, dev->of_node); @@ -1159,7 +1159,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return arm_smmu_domain_add_master(smmu_domain, master); err_unlock: - spin_unlock(&smmu_domain->lock); + mutex_unlock(&smmu_domain->lock); return ret; } @@ -1388,7 +1388,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain, if (paddr & ~output_mask) return -ERANGE; - spin_lock(&smmu_domain->lock); + mutex_lock(&smmu_domain->lock); pgd += pgd_index(iova); end = iova + size; do { @@ -1404,7 +1404,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain, } while (pgd++, iova != end); out_unlock: - spin_unlock(&smmu_domain->lock); + mutex_unlock(&smmu_domain->lock); /* Ensure new page tables are visible to the hardware walker */ if (smmu->features & ARM_SMMU_FEAT_COHERENT_WALK) @@ -1443,44 +1443,34 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova, static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) { - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - pte_t *pte; + pgd_t *pgdp, pgd; + pud_t pud; + pmd_t pmd; + pte_t pte; struct arm_smmu_domain *smmu_domain = domain->priv; struct arm_smmu_cfg *root_cfg = &smmu_domain->root_cfg; - struct arm_smmu_device *smmu = root_cfg->smmu; - spin_lock(&smmu_domain->lock); - pgd = root_cfg->pgd; - if (!pgd) - goto err_unlock; + pgdp = root_cfg->pgd; + if (!pgdp) + return 0; - pgd += pgd_index(iova); - if (pgd_none_or_clear_bad(pgd)) - goto err_unlock; + pgd = *(pgdp + pgd_index(iova)); + if (pgd_none(pgd)) + return 0; - pud = pud_offset(pgd, iova); - if (pud_none_or_clear_bad(pud)) - goto err_unlock; + pud = *pud_offset(&pgd, iova); + if (pud_none(pud)) + return 0; - pmd = pmd_offset(pud, iova); - if (pmd_none_or_clear_bad(pmd)) - goto err_unlock; + pmd = *pmd_offset(&pud, iova); + if (pmd_none(pmd)) + return 0; - pte = pmd_page_vaddr(*pmd) + pte_index(iova); + pte = *(pmd_page_vaddr(pmd) + pte_index(iova)); if (pte_none(pte)) - goto err_unlock; - - spin_unlock(&smmu_domain->lock); - return __pfn_to_phys(pte_pfn(*pte)) | (iova & ~PAGE_MASK); + return 0; -err_unlock: - spin_unlock(&smmu_domain->lock); - dev_warn(smmu->dev, - "invalid (corrupt?) page tables detected for iova 0x%llx\n", - (unsigned long long)iova); - return -EINVAL; + return __pfn_to_phys(pte_pfn(pte)) | (iova & ~PAGE_MASK); } static int arm_smmu_domain_has_cap(struct iommu_domain *domain, diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 173cbb20d104..54bdd923316f 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1717,6 +1717,11 @@ static int __init dm_bufio_init(void) { __u64 mem; + dm_bufio_allocated_kmem_cache = 0; + dm_bufio_allocated_get_free_pages = 0; + dm_bufio_allocated_vmalloc = 0; + dm_bufio_current_allocated = 0; + memset(&dm_bufio_caches, 0, sizeof dm_bufio_caches); memset(&dm_bufio_cache_names, 0, sizeof dm_bufio_cache_names); diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c index 496d5f3646a5..2f91d6d4a2cc 100644 --- a/drivers/md/dm-delay.c +++ b/drivers/md/dm-delay.c @@ -20,6 +20,7 @@ struct delay_c { struct timer_list delay_timer; struct mutex timer_lock; + struct workqueue_struct *kdelayd_wq; struct work_struct flush_expired_bios; struct list_head delayed_bios; atomic_t may_delay; @@ -45,14 +46,13 @@ struct dm_delay_info { static DEFINE_MUTEX(delayed_bios_lock); -static struct workqueue_struct *kdelayd_wq; static struct kmem_cache *delayed_cache; static void handle_delayed_timer(unsigned long data) { struct delay_c *dc = (struct delay_c *)data; - queue_work(kdelayd_wq, &dc->flush_expired_bios); + queue_work(dc->kdelayd_wq, &dc->flush_expired_bios); } static void queue_timeout(struct delay_c *dc, unsigned long expires) @@ -191,6 +191,12 @@ out: goto bad_dev_write; } + dc->kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0); + if (!dc->kdelayd_wq) { + DMERR("Couldn't start kdelayd"); + goto bad_queue; + } + setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc); INIT_WORK(&dc->flush_expired_bios, flush_expired_bios); @@ -203,6 +209,8 @@ out: ti->private = dc; return 0; +bad_queue: + mempool_destroy(dc->delayed_pool); bad_dev_write: if (dc->dev_write) dm_put_device(ti, dc->dev_write); @@ -217,7 +225,7 @@ static void delay_dtr(struct dm_target *ti) { struct delay_c *dc = ti->private; - flush_workqueue(kdelayd_wq); + destroy_workqueue(dc->kdelayd_wq); dm_put_device(ti, dc->dev_read); @@ -350,12 +358,6 @@ static int __init dm_delay_init(void) { int r = -ENOMEM; - kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0); - if (!kdelayd_wq) { - DMERR("Couldn't start kdelayd"); - goto bad_queue; - } - delayed_cache = KMEM_CACHE(dm_delay_info, 0); if (!delayed_cache) { DMERR("Couldn't create delayed bio cache."); @@ -373,8 +375,6 @@ static int __init dm_delay_init(void) bad_register: kmem_cache_destroy(delayed_cache); bad_memcache: - destroy_workqueue(kdelayd_wq); -bad_queue: return r; } @@ -382,7 +382,6 @@ static void __exit dm_delay_exit(void) { dm_unregister_target(&delay_target); kmem_cache_destroy(delayed_cache); - destroy_workqueue(kdelayd_wq); } /* Module hooks */ diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index aec57d76db5d..944690bafd93 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -66,6 +66,18 @@ struct dm_snapshot { atomic_t pending_exceptions_count; + /* Protected by "lock" */ + sector_t exception_start_sequence; + + /* Protected by kcopyd single-threaded callback */ + sector_t exception_complete_sequence; + + /* + * A list of pending exceptions that completed out of order. + * Protected by kcopyd single-threaded callback. + */ + struct list_head out_of_order_list; + mempool_t *pending_pool; struct dm_exception_table pending; @@ -173,6 +185,14 @@ struct dm_snap_pending_exception { */ int started; + /* There was copying error. */ + int copy_error; + + /* A sequence number, it is used for in-order completion. */ + sector_t exception_sequence; + + struct list_head out_of_order_entry; + /* * For writing a complete chunk, bypassing the copy. */ @@ -1094,6 +1114,9 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) s->valid = 1; s->active = 0; atomic_set(&s->pending_exceptions_count, 0); + s->exception_start_sequence = 0; + s->exception_complete_sequence = 0; + INIT_LIST_HEAD(&s->out_of_order_list); init_rwsem(&s->lock); INIT_LIST_HEAD(&s->list); spin_lock_init(&s->pe_lock); @@ -1443,6 +1466,19 @@ static void commit_callback(void *context, int success) pending_complete(pe, success); } +static void complete_exception(struct dm_snap_pending_exception *pe) +{ + struct dm_snapshot *s = pe->snap; + + if (unlikely(pe->copy_error)) + pending_complete(pe, 0); + + else + /* Update the metadata if we are persistent */ + s->store->type->commit_exception(s->store, &pe->e, + commit_callback, pe); +} + /* * Called when the copy I/O has finished. kcopyd actually runs * this code so don't block. @@ -1452,13 +1488,32 @@ static void copy_callback(int read_err, unsigned long write_err, void *context) struct dm_snap_pending_exception *pe = context; struct dm_snapshot *s = pe->snap; - if (read_err || write_err) - pending_complete(pe, 0); + pe->copy_error = read_err || write_err; - else - /* Update the metadata if we are persistent */ - s->store->type->commit_exception(s->store, &pe->e, - commit_callback, pe); + if (pe->exception_sequence == s->exception_complete_sequence) { + s->exception_complete_sequence++; + complete_exception(pe); + + while (!list_empty(&s->out_of_order_list)) { + pe = list_entry(s->out_of_order_list.next, + struct dm_snap_pending_exception, out_of_order_entry); + if (pe->exception_sequence != s->exception_complete_sequence) + break; + s->exception_complete_sequence++; + list_del(&pe->out_of_order_entry); + complete_exception(pe); + } + } else { + struct list_head *lh; + struct dm_snap_pending_exception *pe2; + + list_for_each_prev(lh, &s->out_of_order_list) { + pe2 = list_entry(lh, struct dm_snap_pending_exception, out_of_order_entry); + if (pe2->exception_sequence < pe->exception_sequence) + break; + } + list_add(&pe->out_of_order_entry, lh); + } } /* @@ -1553,6 +1608,8 @@ __find_pending_exception(struct dm_snapshot *s, return NULL; } + pe->exception_sequence = s->exception_start_sequence++; + dm_insert_exception(&s->pending, &pe->e); return pe; @@ -2192,7 +2249,7 @@ static struct target_type origin_target = { static struct target_type snapshot_target = { .name = "snapshot", - .version = {1, 11, 1}, + .version = {1, 12, 0}, .module = THIS_MODULE, .ctr = snapshot_ctr, .dtr = snapshot_dtr, diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 3d404c1371ed..28a90122a5a8 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -964,6 +964,7 @@ int dm_stats_message(struct mapped_device *md, unsigned argc, char **argv, int __init dm_statistics_init(void) { + shared_memory_amount = 0; dm_stat_need_rcu_barrier = 0; return 0; } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 41d907b58f7e..20a8cc0df7c6 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -200,6 +200,11 @@ int dm_table_create(struct dm_table **result, fmode_t mode, num_targets = dm_round_up(num_targets, KEYS_PER_NODE); + if (!num_targets) { + kfree(t); + return -ENOMEM; + } + if (alloc_targets(t, num_targets)) { kfree(t); return -ENOMEM; diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 60bce435f4fa..8a30ad54bd46 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1697,6 +1697,14 @@ void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd) up_write(&pmd->root_lock); } +void dm_pool_metadata_read_write(struct dm_pool_metadata *pmd) +{ + down_write(&pmd->root_lock); + pmd->read_only = false; + dm_bm_set_read_write(pmd->bm); + up_write(&pmd->root_lock); +} + int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd, dm_block_t threshold, dm_sm_threshold_fn fn, diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index 845ebbe589a9..7bcc0e1d6238 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -193,6 +193,7 @@ int dm_pool_resize_metadata_dev(struct dm_pool_metadata *pmd, dm_block_t new_siz * that nothing is changing. */ void dm_pool_metadata_read_only(struct dm_pool_metadata *pmd); +void dm_pool_metadata_read_write(struct dm_pool_metadata *pmd); int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd, dm_block_t threshold, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 2c0cf511ec23..ee29037ffc2e 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -640,7 +640,9 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m) */ r = dm_thin_insert_block(tc->td, m->virt_block, m->data_block); if (r) { - DMERR_LIMIT("dm_thin_insert_block() failed"); + DMERR_LIMIT("%s: dm_thin_insert_block() failed: error = %d", + dm_device_name(pool->pool_md), r); + set_pool_mode(pool, PM_READ_ONLY); cell_error(pool, m->cell); goto out; } @@ -881,32 +883,23 @@ static void schedule_zero(struct thin_c *tc, dm_block_t virt_block, } } -static int commit(struct pool *pool) -{ - int r; - - r = dm_pool_commit_metadata(pool->pmd); - if (r) - DMERR_LIMIT("%s: commit failed: error = %d", - dm_device_name(pool->pool_md), r); - - return r; -} - /* * A non-zero return indicates read_only or fail_io mode. * Many callers don't care about the return value. */ -static int commit_or_fallback(struct pool *pool) +static int commit(struct pool *pool) { int r; if (get_pool_mode(pool) != PM_WRITE) return -EINVAL; - r = commit(pool); - if (r) + r = dm_pool_commit_metadata(pool->pmd); + if (r) { + DMERR_LIMIT("%s: dm_pool_commit_metadata failed: error = %d", + dm_device_name(pool->pool_md), r); set_pool_mode(pool, PM_READ_ONLY); + } return r; } @@ -943,7 +936,9 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result) * Try to commit to see if that will free up some * more space. */ - (void) commit_or_fallback(pool); + r = commit(pool); + if (r) + return r; r = dm_pool_get_free_block_count(pool->pmd, &free_blocks); if (r) @@ -957,7 +952,7 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result) * table reload). */ if (!free_blocks) { - DMWARN("%s: no free space available.", + DMWARN("%s: no free data space available.", dm_device_name(pool->pool_md)); spin_lock_irqsave(&pool->lock, flags); pool->no_free_space = 1; @@ -967,8 +962,16 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result) } r = dm_pool_alloc_data_block(pool->pmd, result); - if (r) + if (r) { + if (r == -ENOSPC && + !dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks) && + !free_blocks) { + DMWARN("%s: no free metadata space available.", + dm_device_name(pool->pool_md)); + set_pool_mode(pool, PM_READ_ONLY); + } return r; + } return 0; } @@ -1349,7 +1352,7 @@ static void process_deferred_bios(struct pool *pool) if (bio_list_empty(&bios) && !need_commit_due_to_time(pool)) return; - if (commit_or_fallback(pool)) { + if (commit(pool)) { while ((bio = bio_list_pop(&bios))) bio_io_error(bio); return; @@ -1397,6 +1400,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode mode) case PM_FAIL: DMERR("%s: switching pool to failure mode", dm_device_name(pool->pool_md)); + dm_pool_metadata_read_only(pool->pmd); pool->process_bio = process_bio_fail; pool->process_discard = process_bio_fail; pool->process_prepared_mapping = process_prepared_mapping_fail; @@ -1421,6 +1425,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode mode) break; case PM_WRITE: + dm_pool_metadata_read_write(pool->pmd); pool->process_bio = process_bio; pool->process_discard = process_discard; pool->process_prepared_mapping = process_prepared_mapping; @@ -1637,12 +1642,19 @@ static int bind_control_target(struct pool *pool, struct dm_target *ti) struct pool_c *pt = ti->private; /* - * We want to make sure that degraded pools are never upgraded. + * We want to make sure that a pool in PM_FAIL mode is never upgraded. */ enum pool_mode old_mode = pool->pf.mode; enum pool_mode new_mode = pt->adjusted_pf.mode; - if (old_mode > new_mode) + /* + * If we were in PM_FAIL mode, rollback of metadata failed. We're + * not going to recover without a thin_repair. So we never let the + * pool move out of the old mode. On the other hand a PM_READ_ONLY + * may have been due to a lack of metadata or data space, and may + * now work (ie. if the underlying devices have been resized). + */ + if (old_mode == PM_FAIL) new_mode = old_mode; pool->ti = ti; @@ -2266,7 +2278,7 @@ static int pool_preresume(struct dm_target *ti) return r; if (need_commit1 || need_commit2) - (void) commit_or_fallback(pool); + (void) commit(pool); return 0; } @@ -2293,7 +2305,7 @@ static void pool_postsuspend(struct dm_target *ti) cancel_delayed_work(&pool->waker); flush_workqueue(pool->wq); - (void) commit_or_fallback(pool); + (void) commit(pool); } static int check_arg_count(unsigned argc, unsigned args_required) @@ -2427,7 +2439,7 @@ static int process_reserve_metadata_snap_mesg(unsigned argc, char **argv, struct if (r) return r; - (void) commit_or_fallback(pool); + (void) commit(pool); r = dm_pool_reserve_metadata_snap(pool->pmd); if (r) @@ -2489,7 +2501,7 @@ static int pool_message(struct dm_target *ti, unsigned argc, char **argv) DMWARN("Unrecognised thin pool target message received: %s", argv[0]); if (!r) - (void) commit_or_fallback(pool); + (void) commit(pool); return r; } @@ -2544,7 +2556,7 @@ static void pool_status(struct dm_target *ti, status_type_t type, /* Commit to ensure statistics aren't out-of-date */ if (!(status_flags & DM_STATUS_NOFLUSH_FLAG) && !dm_suspended(ti)) - (void) commit_or_fallback(pool); + (void) commit(pool); r = dm_pool_get_metadata_transaction_id(pool->pmd, &transaction_id); if (r) { diff --git a/drivers/md/persistent-data/dm-array.c b/drivers/md/persistent-data/dm-array.c index af96e24ec328..1d75b1dc1e2e 100644 --- a/drivers/md/persistent-data/dm-array.c +++ b/drivers/md/persistent-data/dm-array.c @@ -317,8 +317,16 @@ static int shadow_ablock(struct dm_array_info *info, dm_block_t *root, * The shadow op will often be a noop. Only insert if it really * copied data. */ - if (dm_block_location(*block) != b) + if (dm_block_location(*block) != b) { + /* + * dm_tm_shadow_block will have already decremented the old + * block, but it is still referenced by the btree. We + * increment to stop the insert decrementing it below zero + * when overwriting the old value. + */ + dm_tm_inc(info->btree_info.tm, b); r = insert_ablock(info, index, *block, root); + } return r; } diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c index a7e8bf296388..064a3c271baa 100644 --- a/drivers/md/persistent-data/dm-block-manager.c +++ b/drivers/md/persistent-data/dm-block-manager.c @@ -626,6 +626,12 @@ void dm_bm_set_read_only(struct dm_block_manager *bm) } EXPORT_SYMBOL_GPL(dm_bm_set_read_only); +void dm_bm_set_read_write(struct dm_block_manager *bm) +{ + bm->read_only = false; +} +EXPORT_SYMBOL_GPL(dm_bm_set_read_write); + u32 dm_bm_checksum(const void *data, size_t len, u32 init_xor) { return crc32c(~(u32) 0, data, len) ^ init_xor; diff --git a/drivers/md/persistent-data/dm-block-manager.h b/drivers/md/persistent-data/dm-block-manager.h index 9a82083a66b6..13cd58e1fe69 100644 --- a/drivers/md/persistent-data/dm-block-manager.h +++ b/drivers/md/persistent-data/dm-block-manager.h @@ -108,9 +108,9 @@ int dm_bm_unlock(struct dm_block *b); int dm_bm_flush_and_unlock(struct dm_block_manager *bm, struct dm_block *superblock); - /* - * Request data be prefetched into the cache. - */ +/* + * Request data is prefetched into the cache. + */ void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b); /* @@ -125,6 +125,7 @@ void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b); * be returned if you do. */ void dm_bm_set_read_only(struct dm_block_manager *bm); +void dm_bm_set_read_write(struct dm_block_manager *bm); u32 dm_bm_checksum(const void *data, size_t len, u32 init_xor); diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index 6058569fe86c..466a60bbd716 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -381,7 +381,7 @@ int sm_ll_find_free_block(struct ll_disk *ll, dm_block_t begin, } static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b, - uint32_t (*mutator)(void *context, uint32_t old), + int (*mutator)(void *context, uint32_t old, uint32_t *new), void *context, enum allocation_event *ev) { int r; @@ -410,11 +410,17 @@ static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b, if (old > 2) { r = sm_ll_lookup_big_ref_count(ll, b, &old); - if (r < 0) + if (r < 0) { + dm_tm_unlock(ll->tm, nb); return r; + } } - ref_count = mutator(context, old); + r = mutator(context, old, &ref_count); + if (r) { + dm_tm_unlock(ll->tm, nb); + return r; + } if (ref_count <= 2) { sm_set_bitmap(bm_le, bit, ref_count); @@ -465,9 +471,10 @@ static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b, return ll->save_ie(ll, index, &ie_disk); } -static uint32_t set_ref_count(void *context, uint32_t old) +static int set_ref_count(void *context, uint32_t old, uint32_t *new) { - return *((uint32_t *) context); + *new = *((uint32_t *) context); + return 0; } int sm_ll_insert(struct ll_disk *ll, dm_block_t b, @@ -476,9 +483,10 @@ int sm_ll_insert(struct ll_disk *ll, dm_block_t b, return sm_ll_mutate(ll, b, set_ref_count, &ref_count, ev); } -static uint32_t inc_ref_count(void *context, uint32_t old) +static int inc_ref_count(void *context, uint32_t old, uint32_t *new) { - return old + 1; + *new = old + 1; + return 0; } int sm_ll_inc(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev) @@ -486,9 +494,15 @@ int sm_ll_inc(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev) return sm_ll_mutate(ll, b, inc_ref_count, NULL, ev); } -static uint32_t dec_ref_count(void *context, uint32_t old) +static int dec_ref_count(void *context, uint32_t old, uint32_t *new) { - return old - 1; + if (!old) { + DMERR_LIMIT("unable to decrement a reference count below 0"); + return -EINVAL; + } + + *new = old - 1; + return 0; } int sm_ll_dec(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev) diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index 1c959684caef..58fc1eef7499 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -384,12 +384,16 @@ static int sm_metadata_new_block(struct dm_space_map *sm, dm_block_t *b) struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); int r = sm_metadata_new_block_(sm, b); - if (r) + if (r) { DMERR("unable to allocate new metadata block"); + return r; + } r = sm_metadata_get_nr_free(sm, &count); - if (r) + if (r) { DMERR("couldn't get free block count"); + return r; + } check_threshold(&smm->threshold, count); diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 30ee59052157..65728c25ea05 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -170,18 +170,18 @@ static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val, static int af9033_wr_reg_val_tab(struct af9033_state *state, const struct reg_val *tab, int tab_len) { +#define MAX_TAB_LEN 212 int ret, i, j; - u8 buf[MAX_XFER_SIZE]; + u8 buf[1 + MAX_TAB_LEN]; + + dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); if (tab_len > sizeof(buf)) { - dev_warn(&state->i2c->dev, - "%s: i2c wr len=%d is too big!\n", - KBUILD_MODNAME, tab_len); + dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n", + KBUILD_MODNAME, tab_len); return -EINVAL; } - dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); - for (i = 0, j = 0; i < tab_len; i++) { buf[j] = tab[i].val; diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c index 51447a04d8f2..03930d5e9fea 100644 --- a/drivers/media/dvb-frontends/cxd2820r_core.c +++ b/drivers/media/dvb-frontends/cxd2820r_core.c @@ -34,7 +34,7 @@ static int cxd2820r_wr_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg, { .addr = i2c, .flags = 0, - .len = sizeof(buf), + .len = len + 1, .buf = buf, } }; @@ -75,7 +75,7 @@ static int cxd2820r_rd_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg, }, { .addr = i2c, .flags = I2C_M_RD, - .len = sizeof(buf), + .len = len, .buf = buf, } }; diff --git a/drivers/media/i2c/wm8775.c b/drivers/media/i2c/wm8775.c index 3f584a7d0781..bee7946faa7c 100644 --- a/drivers/media/i2c/wm8775.c +++ b/drivers/media/i2c/wm8775.c @@ -130,12 +130,10 @@ static int wm8775_s_routing(struct v4l2_subdev *sd, return -EINVAL; } state->input = input; - if (!v4l2_ctrl_g_ctrl(state->mute)) + if (v4l2_ctrl_g_ctrl(state->mute)) return 0; if (!v4l2_ctrl_g_ctrl(state->vol)) return 0; - if (!v4l2_ctrl_g_ctrl(state->bal)) - return 0; wm8775_set_audio(sd, 1); return 0; } diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index c6532de0eac7..4f0aaa51ae0d 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -4182,7 +4182,8 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id) } btv->std = V4L2_STD_PAL; init_irqreg(btv); - v4l2_ctrl_handler_setup(hdl); + if (!bttv_tvcards[btv->c.type].no_video) + v4l2_ctrl_handler_setup(hdl); if (hdl->error) { result = hdl->error; goto fail2; diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c index d37ee37aaefe..896bd8b974b5 100644 --- a/drivers/media/pci/saa7164/saa7164-core.c +++ b/drivers/media/pci/saa7164/saa7164-core.c @@ -1354,9 +1354,11 @@ static int saa7164_initdev(struct pci_dev *pci_dev, if (fw_debug) { dev->kthread = kthread_run(saa7164_thread_function, dev, "saa7164 debug"); - if (!dev->kthread) + if (IS_ERR(dev->kthread)) { + dev->kthread = NULL; printk(KERN_ERR "%s() Failed to create " "debug kernel thread\n", __func__); + } } } /* != BOARD_UNKNOWN */ diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c index 036e2f54f4db..3ed1f5669f79 100644 --- a/drivers/media/radio/radio-tea5764.c +++ b/drivers/media/radio/radio-tea5764.c @@ -356,7 +356,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, So we keep it as-is. */ return -EINVAL; } - clamp(freq, FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL); + freq = clamp(freq, FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL); tea5764_power_up(radio); tea5764_tune(radio, (freq * 125) / 2); return 0; diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c index 06ac69245ca1..f4bb456b9a23 100644 --- a/drivers/media/radio/tef6862.c +++ b/drivers/media/radio/tef6862.c @@ -112,7 +112,7 @@ static int tef6862_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequen if (f->tuner != 0) return -EINVAL; - clamp(freq, TEF6862_LO_FREQ, TEF6862_HI_FREQ); + freq = clamp(freq, TEF6862_LO_FREQ, TEF6862_HI_FREQ); pll = 1964 + ((freq - TEF6862_LO_FREQ) * 20) / FREQ_MUL; i2cmsg[0] = (MODE_PRESET << MODE_SHIFT) | WM_SUB_PLLM; i2cmsg[1] = (pll >> 8) & 0xff; diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index c8fcd78425bd..8f9b2cea88f0 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -131,7 +131,7 @@ static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len) { u8 wbuf[MAX_XFER_SIZE]; u8 mbox = (reg >> 16) & 0xff; - struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL }; + struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL }; if (6 + len > sizeof(wbuf)) { dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n", @@ -238,14 +238,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, } else { /* I2C */ u8 buf[MAX_XFER_SIZE]; - struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf), + struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len, buf, msg[1].len, msg[1].buf }; if (5 + msg[0].len > sizeof(buf)) { dev_warn(&d->udev->dev, "%s: i2c xfer: len=%d is too big!\n", KBUILD_MODNAME, msg[0].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } req.mbox |= ((msg[0].addr & 0x80) >> 3); buf[0] = msg[1].len; @@ -274,14 +275,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, } else { /* I2C */ u8 buf[MAX_XFER_SIZE]; - struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf, - 0, NULL }; + struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len, + buf, 0, NULL }; if (5 + msg[0].len > sizeof(buf)) { dev_warn(&d->udev->dev, "%s: i2c xfer: len=%d is too big!\n", KBUILD_MODNAME, msg[0].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } req.mbox |= ((msg[0].addr & 0x80) >> 3); buf[0] = msg[0].len; @@ -319,6 +321,7 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, ret = -EOPNOTSUPP; } +unlock: mutex_unlock(&d->i2c_mutex); if (ret < 0) @@ -1534,6 +1537,8 @@ static const struct usb_device_id af9035_id_table[] = { /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */ { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099, &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) }, + { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05, + &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, af9035_id_table); diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index c28d4e29af1a..e76a733e8a28 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -1241,10 +1241,6 @@ static struct of_device_id pxa3xx_nand_dt_ids[] = { .compatible = "marvell,pxa3xx-nand", .data = (void *)PXA3XX_NAND_VARIANT_PXA, }, - { - .compatible = "marvell,armada370-nand", - .data = (void *)PXA3XX_NAND_VARIANT_ARMADA370, - }, {} }; MODULE_DEVICE_TABLE(of, pxa3xx_nand_dt_ids); diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 50b853a79d77..46dfb1378c17 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -717,8 +717,7 @@ static int emac_open(struct net_device *dev) if (netif_msg_ifup(db)) dev_dbg(db->dev, "enabling %s\n", dev->name); - if (devm_request_irq(db->dev, dev->irq, &emac_interrupt, - 0, dev->name, dev)) + if (request_irq(dev->irq, &emac_interrupt, 0, dev->name, dev)) return -EAGAIN; /* Initialize EMAC board */ @@ -774,6 +773,8 @@ static int emac_stop(struct net_device *ndev) emac_shutdown(ndev); + free_irq(ndev->irq, ndev); + return 0; } diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index e7266759a10b..556da81ab092 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -1730,7 +1730,10 @@ s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations, * ownership of the resources, wait and try again to * see if they have relinquished the resources yet. */ - udelay(usec_interval); + if (usec_interval >= 1000) + mdelay(usec_interval/1000); + else + udelay(usec_interval); } ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); if (ret_val) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index f4864807e15b..e493150d50c3 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3966,18 +3966,20 @@ static void ar9003_hw_quick_drop_apply(struct ath_hw *ah, u16 freq) int quick_drop; s32 t[3], f[3] = {5180, 5500, 5785}; - if (!(pBase->miscConfiguration & BIT(1))) + if (!(pBase->miscConfiguration & BIT(4))) return; - if (freq < 4000) - quick_drop = eep->modalHeader2G.quick_drop; - else { - t[0] = eep->base_ext1.quick_drop_low; - t[1] = eep->modalHeader5G.quick_drop; - t[2] = eep->base_ext1.quick_drop_high; - quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3); + if (AR_SREV_9300(ah) || AR_SREV_9580(ah) || AR_SREV_9340(ah)) { + if (freq < 4000) { + quick_drop = eep->modalHeader2G.quick_drop; + } else { + t[0] = eep->base_ext1.quick_drop_low; + t[1] = eep->modalHeader5G.quick_drop; + t[2] = eep->base_ext1.quick_drop_high; + quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3); + } + REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop); } - REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop); } static void ar9003_hw_txend_to_xpa_off_apply(struct ath_hw *ah, bool is2ghz) @@ -4017,7 +4019,7 @@ static void ar9003_hw_xlna_bias_strength_apply(struct ath_hw *ah, bool is2ghz) struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; u8 bias; - if (!(eep->baseEepHeader.featureEnable & 0x40)) + if (!(eep->baseEepHeader.miscConfiguration & 0x40)) return; if (!AR_SREV_9300(ah)) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index dd30452df966..7fe6b5923a9c 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1275,6 +1275,10 @@ static void ath_tx_fill_desc(struct ath_softc *sc, struct ath_buf *bf, if (!rts_thresh || (len > rts_thresh)) rts = true; } + + if (!aggr) + len = fi->framelen; + ath_buf_set_rate(sc, bf, &info, len, rts); } diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 76e14c046d94..200f0d98471a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -125,6 +125,7 @@ const struct iwl_cfg iwl7260_2ac_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl7260_2ac_cfg_high_temp = { @@ -135,6 +136,7 @@ const struct iwl_cfg iwl7260_2ac_cfg_high_temp = { .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, .high_temp = true, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl7260_2n_cfg = { @@ -144,6 +146,7 @@ const struct iwl_cfg iwl7260_2n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl7260_n_cfg = { @@ -153,6 +156,7 @@ const struct iwl_cfg iwl7260_n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL7260_NVM_VERSION, .nvm_calib_ver = IWL7260_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl3160_2ac_cfg = { @@ -162,6 +166,7 @@ const struct iwl_cfg iwl3160_2ac_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3160_NVM_VERSION, .nvm_calib_ver = IWL3160_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl3160_2n_cfg = { @@ -171,6 +176,7 @@ const struct iwl_cfg iwl3160_2n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3160_NVM_VERSION, .nvm_calib_ver = IWL3160_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; const struct iwl_cfg iwl3160_n_cfg = { @@ -180,6 +186,7 @@ const struct iwl_cfg iwl3160_n_cfg = { .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3160_NVM_VERSION, .nvm_calib_ver = IWL3160_TX_POWER_VERSION, + .host_interrupt_operation_mode = true, }; MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index b03c25e14903..028ae91edf55 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -207,6 +207,8 @@ struct iwl_eeprom_params { * @rx_with_siso_diversity: 1x1 device with rx antenna diversity * @internal_wimax_coex: internal wifi/wimax combo device * @high_temp: Is this NIC is designated to be in high temperature. + * @host_interrupt_operation_mode: device needs host interrupt operation + * mode set * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -235,6 +237,7 @@ struct iwl_cfg { enum iwl_led_mode led_mode; const bool rx_with_siso_diversity; const bool internal_wimax_coex; + const bool host_interrupt_operation_mode; bool high_temp; }; diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index a276af476e2d..641420528771 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -463,14 +463,11 @@ * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit * * default interrupt coalescing timer is 64 x 32 = 2048 usecs - * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs */ #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) #define IWL_HOST_INT_TIMEOUT_DEF (0x40) #define IWL_HOST_INT_TIMEOUT_MIN (0x0) -#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) -#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) -#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) +#define IWL_HOST_INT_OPER_MODE BIT(31) /***************************************************************************** * 7000/3000 series SHR DTS addresses * diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index aac81b8984b0..c196425a6723 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -119,6 +119,10 @@ static ssize_t iwl_dbgfs_sta_drain_write(struct file *file, if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) return -EINVAL; + if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) + return -EINVAL; + if (drain < 0 || drain > 1) + return -EINVAL; mutex_lock(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 3f237b42eb36..83d28bcf0d48 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -489,6 +489,10 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq) /* Set interrupt coalescing timer to default (2048 usecs) */ iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); + + /* W/A for interrupt coalescing bug in 7260 and 3160 */ + if (trans->cfg->host_interrupt_operation_mode) + iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE); } static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index c3f904d422b0..6bc31003a32c 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -276,9 +276,6 @@ static int iwl_pcie_nic_init(struct iwl_trans *trans) spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwl_pcie_apm_init(trans); - /* Set interrupt coalescing calibration timer to default (512 usecs) */ - iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF); - spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); iwl_pcie_set_pwr(trans, false); diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index f084412eee0b..bf63e13d14c9 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -319,8 +319,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, if (bss_desc && bss_desc->ssid.ssid_len && (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. ssid, &bss_desc->ssid))) { - kfree(bss_desc); - return 0; + ret = 0; + goto done; } /* Exit Adhoc mode first */ diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 98f7b9b89507..53dc57127ca3 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "pci.h" struct pci_dynid { @@ -388,12 +389,17 @@ static void pci_device_shutdown(struct device *dev) pci_msi_shutdown(pci_dev); pci_msix_shutdown(pci_dev); +#ifdef CONFIG_KEXEC /* - * Turn off Bus Master bit on the device to tell it to not - * continue to do DMA. Don't touch devices in D3cold or unknown states. + * If this is a kexec reboot, turn off Bus Master bit on the + * device to tell it to not continue to do DMA. Don't touch + * devices in D3cold or unknown states. + * If it is not a kexec reboot, firmware will hit the PCI + * devices with big hammer and stop their DMA any way. */ - if (pci_dev->current_state <= PCI_D3hot) + if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot)) pci_clear_master(pci_dev); +#endif } #ifdef CONFIG_PM diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index 032df3799efb..8b5e4c712a01 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -38,7 +38,7 @@ #define PFUZE100_DEVICEID 0x0 #define PFUZE100_REVID 0x3 -#define PFUZE100_FABID 0x3 +#define PFUZE100_FABID 0x4 #define PFUZE100_SW1ABVOL 0x20 #define PFUZE100_SW1CVOL 0x2e diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 741892632ae0..b86eec3ffba8 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -220,6 +220,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) at91_alarm_year = tm.tm_year; + tm.tm_mon = alrm->time.tm_mon; + tm.tm_mday = alrm->time.tm_mday; tm.tm_hour = alrm->time.tm_hour; tm.tm_min = alrm->time.tm_min; tm.tm_sec = alrm->time.tm_sec; diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c index e7108045f553..d13c532b68cd 100644 --- a/drivers/staging/comedi/drivers/amplc_pc263.c +++ b/drivers/staging/comedi/drivers/amplc_pc263.c @@ -68,6 +68,9 @@ static int pc263_do_insn_bits(struct comedi_device *dev, outb(s->state & 0xFF, dev->iobase); outb(s->state >> 8, dev->iobase + 1); } + + data[1] = s->state; + return insn->n; } diff --git a/drivers/staging/comedi/drivers/amplc_pci263.c b/drivers/staging/comedi/drivers/amplc_pci263.c index 145bb48f618e..a9c77af3b76d 100644 --- a/drivers/staging/comedi/drivers/amplc_pci263.c +++ b/drivers/staging/comedi/drivers/amplc_pci263.c @@ -55,6 +55,9 @@ static int pci263_do_insn_bits(struct comedi_device *dev, outb(s->state & 0xFF, dev->iobase); outb(s->state >> 8, dev->iobase + 1); } + + data[1] = s->state; + return insn->n; } diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c index 11758a515c1b..0e687de7848f 100644 --- a/drivers/staging/comedi/drivers/ssv_dnp.c +++ b/drivers/staging/comedi/drivers/ssv_dnp.c @@ -83,11 +83,11 @@ static int dnp_dio_insn_bits(struct comedi_device *dev, /* on return, data[1] contains the value of the digital input lines. */ outb(PADR, CSCIR); - data[0] = inb(CSCDR); + data[1] = inb(CSCDR); outb(PBDR, CSCIR); - data[0] += inb(CSCDR) << 8; + data[1] += inb(CSCDR) << 8; outb(PCDR, CSCIR); - data[0] += ((inb(CSCDR) & 0xF0) << 12); + data[1] += ((inb(CSCDR) & 0xF0) << 12); return insn->n; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 243c6729c320..c5c366790e6a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4836,8 +4836,9 @@ static void hub_events(void) hub->ports[i - 1]->child; dev_dbg(hub_dev, "warm reset port %d\n", i); - if (!udev || !(portstatus & - USB_PORT_STAT_CONNECTION)) { + if (!udev || + !(portstatus & USB_PORT_STAT_CONNECTION) || + udev->state == USB_STATE_NOTATTACHED) { status = hub_port_reset(hub, i, NULL, HUB_BH_RESET_TIME, true); diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 7fa93f4bc507..056da977ebdf 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -459,6 +459,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, dep = dwc3_wIndex_to_dep(dwc, wIndex); if (!dep) return -EINVAL; + if (set == 0 && (dep->flags & DWC3_EP_WEDGE)) + break; ret = __dwc3_gadget_ep_set_halt(dep, set); if (ret) return -EINVAL; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 5452c0fce360..02e44fcaf205 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1200,9 +1200,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) else dep->flags |= DWC3_EP_STALL; } else { - if (dep->flags & DWC3_EP_WEDGE) - return 0; - ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, DWC3_DEPCMD_CLEARSTALL, ¶ms); if (ret) @@ -1210,7 +1207,7 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) value ? "set" : "clear", dep->name); else - dep->flags &= ~DWC3_EP_STALL; + dep->flags &= ~(DWC3_EP_STALL | DWC3_EP_WEDGE); } return ret; diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index d4f0f3305759..7c0adb9812aa 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -593,6 +593,7 @@ static void reset_config(struct usb_composite_dev *cdev) bitmap_zero(f->endpoints, 32); } cdev->config = NULL; + cdev->delayed_status = 0; } static int set_config(struct usb_composite_dev *cdev, diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 6bfbd80ec2b9..55fc0c39b7e1 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2929,8 +2929,58 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, } while (1) { - if (room_on_ring(xhci, ep_ring, num_trbs)) - break; + if (room_on_ring(xhci, ep_ring, num_trbs)) { + union xhci_trb *trb = ep_ring->enqueue; + unsigned int usable = ep_ring->enq_seg->trbs + + TRBS_PER_SEGMENT - 1 - trb; + u32 nop_cmd; + + /* + * Section 4.11.7.1 TD Fragments states that a link + * TRB must only occur at the boundary between + * data bursts (eg 512 bytes for 480M). + * While it is possible to split a large fragment + * we don't know the size yet. + * Simplest solution is to fill the trb before the + * LINK with nop commands. + */ + if (num_trbs == 1 || num_trbs <= usable || usable == 0) + break; + + if (ep_ring->type != TYPE_BULK) + /* + * While isoc transfers might have a buffer that + * crosses a 64k boundary it is unlikely. + * Since we can't add NOPs without generating + * gaps in the traffic just hope it never + * happens at the end of the ring. + * This could be fixed by writing a LINK TRB + * instead of the first NOP - however the + * TRB_TYPE_LINK_LE32() calls would all need + * changing to check the ring length. + */ + break; + + if (num_trbs >= TRBS_PER_SEGMENT) { + xhci_err(xhci, "Too many fragments %d, max %d\n", + num_trbs, TRBS_PER_SEGMENT - 1); + return -ENOMEM; + } + + nop_cmd = cpu_to_le32(TRB_TYPE(TRB_TR_NOOP) | + ep_ring->cycle_state); + ep_ring->num_trbs_free -= usable; + do { + trb->generic.field[0] = 0; + trb->generic.field[1] = 0; + trb->generic.field[2] = 0; + trb->generic.field[3] = nop_cmd; + trb++; + } while (--usable); + ep_ring->enqueue = trb; + if (room_on_ring(xhci, ep_ring, num_trbs)) + break; + } if (ep_ring == xhci->cmd_ring) { xhci_err(xhci, "Do not support expand command ring\n"); diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index ae959746f77f..0c593afc3185 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -38,6 +38,7 @@ struct cppi41_dma_channel { u32 prog_len; u32 transferred; u32 packet_sz; + struct list_head tx_check; }; #define MUSB_DMA_NUM_CHANNELS 15 @@ -47,6 +48,8 @@ struct cppi41_dma_controller { struct cppi41_dma_channel rx_channel[MUSB_DMA_NUM_CHANNELS]; struct cppi41_dma_channel tx_channel[MUSB_DMA_NUM_CHANNELS]; struct musb *musb; + struct hrtimer early_tx; + struct list_head early_tx_list; u32 rx_mode; u32 tx_mode; u32 auto_req; @@ -96,31 +99,27 @@ static void update_rx_toggle(struct cppi41_dma_channel *cppi41_channel) cppi41_channel->usb_toggle = toggle; } -static void cppi41_dma_callback(void *private_data) +static bool musb_is_tx_fifo_empty(struct musb_hw_ep *hw_ep) { - struct dma_channel *channel = private_data; - struct cppi41_dma_channel *cppi41_channel = channel->private_data; - struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep; - struct musb *musb = hw_ep->musb; - unsigned long flags; - struct dma_tx_state txstate; - u32 transferred; + u8 epnum = hw_ep->epnum; + struct musb *musb = hw_ep->musb; + void __iomem *epio = musb->endpoints[epnum].regs; + u16 csr; - spin_lock_irqsave(&musb->lock, flags); + csr = musb_readw(epio, MUSB_TXCSR); + if (csr & MUSB_TXCSR_TXPKTRDY) + return false; + return true; +} - dmaengine_tx_status(cppi41_channel->dc, cppi41_channel->cookie, - &txstate); - transferred = cppi41_channel->prog_len - txstate.residue; - cppi41_channel->transferred += transferred; +static void cppi41_dma_callback(void *private_data); - dev_dbg(musb->controller, "DMA transfer done on hw_ep=%d bytes=%d/%d\n", - hw_ep->epnum, cppi41_channel->transferred, - cppi41_channel->total_len); +static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel) +{ + struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep; + struct musb *musb = hw_ep->musb; - update_rx_toggle(cppi41_channel); - - if (cppi41_channel->transferred == cppi41_channel->total_len || - transferred < cppi41_channel->packet_sz) { + if (!cppi41_channel->prog_len) { /* done, complete */ cppi41_channel->channel.actual_len = @@ -150,13 +149,11 @@ static void cppi41_dma_callback(void *private_data) remain_bytes, direction, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (WARN_ON(!dma_desc)) { - spin_unlock_irqrestore(&musb->lock, flags); + if (WARN_ON(!dma_desc)) return; - } dma_desc->callback = cppi41_dma_callback; - dma_desc->callback_param = channel; + dma_desc->callback_param = &cppi41_channel->channel; cppi41_channel->cookie = dma_desc->tx_submit(dma_desc); dma_async_issue_pending(dc); @@ -166,6 +163,117 @@ static void cppi41_dma_callback(void *private_data) musb_writew(epio, MUSB_RXCSR, csr); } } +} + +static enum hrtimer_restart cppi41_recheck_tx_req(struct hrtimer *timer) +{ + struct cppi41_dma_controller *controller; + struct cppi41_dma_channel *cppi41_channel, *n; + struct musb *musb; + unsigned long flags; + enum hrtimer_restart ret = HRTIMER_NORESTART; + + controller = container_of(timer, struct cppi41_dma_controller, + early_tx); + musb = controller->musb; + + spin_lock_irqsave(&musb->lock, flags); + list_for_each_entry_safe(cppi41_channel, n, &controller->early_tx_list, + tx_check) { + bool empty; + struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep; + + empty = musb_is_tx_fifo_empty(hw_ep); + if (empty) { + list_del_init(&cppi41_channel->tx_check); + cppi41_trans_done(cppi41_channel); + } + } + + if (!list_empty(&controller->early_tx_list)) { + ret = HRTIMER_RESTART; + hrtimer_forward_now(&controller->early_tx, + ktime_set(0, 150 * NSEC_PER_USEC)); + } + + spin_unlock_irqrestore(&musb->lock, flags); + return ret; +} + +static void cppi41_dma_callback(void *private_data) +{ + struct dma_channel *channel = private_data; + struct cppi41_dma_channel *cppi41_channel = channel->private_data; + struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep; + struct musb *musb = hw_ep->musb; + unsigned long flags; + struct dma_tx_state txstate; + u32 transferred; + bool empty; + + spin_lock_irqsave(&musb->lock, flags); + + dmaengine_tx_status(cppi41_channel->dc, cppi41_channel->cookie, + &txstate); + transferred = cppi41_channel->prog_len - txstate.residue; + cppi41_channel->transferred += transferred; + + dev_dbg(musb->controller, "DMA transfer done on hw_ep=%d bytes=%d/%d\n", + hw_ep->epnum, cppi41_channel->transferred, + cppi41_channel->total_len); + + update_rx_toggle(cppi41_channel); + + if (cppi41_channel->transferred == cppi41_channel->total_len || + transferred < cppi41_channel->packet_sz) + cppi41_channel->prog_len = 0; + + empty = musb_is_tx_fifo_empty(hw_ep); + if (empty) { + cppi41_trans_done(cppi41_channel); + } else { + struct cppi41_dma_controller *controller; + /* + * On AM335x it has been observed that the TX interrupt fires + * too early that means the TXFIFO is not yet empty but the DMA + * engine says that it is done with the transfer. We don't + * receive a FIFO empty interrupt so the only thing we can do is + * to poll for the bit. On HS it usually takes 2us, on FS around + * 110us - 150us depending on the transfer size. + * We spin on HS (no longer than than 25us and setup a timer on + * FS to check for the bit and complete the transfer. + */ + controller = cppi41_channel->controller; + + if (musb->g.speed == USB_SPEED_HIGH) { + unsigned wait = 25; + + do { + empty = musb_is_tx_fifo_empty(hw_ep); + if (empty) + break; + wait--; + if (!wait) + break; + udelay(1); + } while (1); + + empty = musb_is_tx_fifo_empty(hw_ep); + if (empty) { + cppi41_trans_done(cppi41_channel); + goto out; + } + } + list_add_tail(&cppi41_channel->tx_check, + &controller->early_tx_list); + if (!hrtimer_active(&controller->early_tx)) { + hrtimer_start_range_ns(&controller->early_tx, + ktime_set(0, 140 * NSEC_PER_USEC), + 40 * NSEC_PER_USEC, + HRTIMER_MODE_REL); + } + } +out: spin_unlock_irqrestore(&musb->lock, flags); } @@ -364,6 +472,8 @@ static int cppi41_is_compatible(struct dma_channel *channel, u16 maxpacket, WARN_ON(1); return 1; } + if (cppi41_channel->hw_ep->ep_in.type != USB_ENDPOINT_XFER_BULK) + return 0; if (cppi41_channel->is_tx) return 1; /* AM335x Advisory 1.0.13. No workaround for device RX mode */ @@ -388,6 +498,7 @@ static int cppi41_dma_channel_abort(struct dma_channel *channel) if (cppi41_channel->channel.status == MUSB_DMA_STATUS_FREE) return 0; + list_del_init(&cppi41_channel->tx_check); if (is_tx) { csr = musb_readw(epio, MUSB_TXCSR); csr &= ~MUSB_TXCSR_DMAENAB; @@ -494,6 +605,7 @@ static int cppi41_dma_controller_start(struct cppi41_dma_controller *controller) cppi41_channel->controller = controller; cppi41_channel->port_num = port; cppi41_channel->is_tx = is_tx; + INIT_LIST_HEAD(&cppi41_channel->tx_check); musb_dma = &cppi41_channel->channel; musb_dma->private_data = cppi41_channel; @@ -518,6 +630,7 @@ void dma_controller_destroy(struct dma_controller *c) struct cppi41_dma_controller *controller = container_of(c, struct cppi41_dma_controller, controller); + hrtimer_cancel(&controller->early_tx); cppi41_dma_controller_stop(controller); kfree(controller); } @@ -537,6 +650,9 @@ struct dma_controller *dma_controller_create(struct musb *musb, if (!controller) goto kzalloc_fail; + hrtimer_init(&controller->early_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + controller->early_tx.function = cppi41_recheck_tx_req; + INIT_LIST_HEAD(&controller->early_tx_list); controller->musb = musb; controller->controller.channel_alloc = cppi41_dma_channel_allocate; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c3d94853b4ab..496b7e39d5be 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -85,6 +85,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_PRODUCT_K4505 0x1464 #define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_K4605 0x14C6 +#define HUAWEI_PRODUCT_E173S6 0x1C07 #define QUANTA_VENDOR_ID 0x0408 #define QUANTA_PRODUCT_Q101 0xEA02 @@ -572,6 +573,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S6, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) }, @@ -634,6 +637,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x7A) }, @@ -688,6 +695,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x02, 0x7A) }, @@ -742,6 +753,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x03, 0x7A) }, @@ -796,6 +811,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x04, 0x7A) }, @@ -850,6 +869,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x05, 0x7A) }, @@ -904,6 +927,10 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6D) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6E) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x6F) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x72) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x73) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x74) }, + { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x75) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x78) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x79) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7A) }, diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c index 3fb83b0c28c2..ab6d3f56cbca 100644 --- a/drivers/watchdog/sc1200wdt.c +++ b/drivers/watchdog/sc1200wdt.c @@ -409,8 +409,9 @@ static int __init sc1200wdt_init(void) #if defined CONFIG_PNP /* now that the user has specified an IO port and we haven't detected * any devices, disable pnp support */ + if (isapnp) + pnp_unregister_driver(&scl200wdt_pnp_driver); isapnp = 0; - pnp_unregister_driver(&scl200wdt_pnp_driver); #endif if (!request_region(io, io_len, SC1200_MODULE_NAME)) { diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index e15d2b0d8d3b..0890c83643e9 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -229,7 +229,7 @@ int btrfs_init_acl(struct btrfs_trans_handle *trans, if (ret > 0) { /* we need an acl */ ret = btrfs_set_acl(trans, inode, acl, ACL_TYPE_ACCESS); - } else { + } else if (ret < 0) { cache_no_acl(inode); } } else { diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 0552a599b28f..5eb50b5df777 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -185,6 +185,9 @@ static int __add_prelim_ref(struct list_head *head, u64 root_id, { struct __prelim_ref *ref; + if (root_id == BTRFS_DATA_RELOC_TREE_OBJECTID) + return 0; + ref = kmem_cache_alloc(btrfs_prelim_ref_cache, gfp_mask); if (!ref) return -ENOMEM; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 61b5bcd57b7e..b544a44d696e 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2758,7 +2758,7 @@ int btrfs_search_old_slot(struct btrfs_root *root, struct btrfs_key *key, int level; int lowest_unlock = 1; u8 lowest_level = 0; - int prev_cmp; + int prev_cmp = -1; lowest_level = p->lowest_level; WARN_ON(p->nodes[0] != NULL); @@ -2769,7 +2769,6 @@ int btrfs_search_old_slot(struct btrfs_root *root, struct btrfs_key *key, } again: - prev_cmp = -1; b = get_old_root(root, time_seq); level = btrfs_header_level(b); p->locks[level] = BTRFS_READ_LOCK; @@ -2787,6 +2786,11 @@ again: */ btrfs_unlock_up_safe(p, level + 1); + /* + * Since we can unwind eb's we want to do a real search every + * time. + */ + prev_cmp = -1; ret = key_search(b, key, level, &prev_cmp, &slot); if (level != 0) { diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 51e3afa78354..8b8eff051493 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2367,10 +2367,23 @@ out_unlock: return ret; } +static void free_sa_defrag_extent(struct new_sa_defrag_extent *new) +{ + struct old_sa_defrag_extent *old, *tmp; + + if (!new) + return; + + list_for_each_entry_safe(old, tmp, &new->head, list) { + list_del(&old->list); + kfree(old); + } + kfree(new); +} + static void relink_file_extents(struct new_sa_defrag_extent *new) { struct btrfs_path *path; - struct old_sa_defrag_extent *old, *tmp; struct sa_defrag_extent_backref *backref; struct sa_defrag_extent_backref *prev = NULL; struct inode *inode; @@ -2413,16 +2426,11 @@ static void relink_file_extents(struct new_sa_defrag_extent *new) kfree(prev); btrfs_free_path(path); - - list_for_each_entry_safe(old, tmp, &new->head, list) { - list_del(&old->list); - kfree(old); - } out: + free_sa_defrag_extent(new); + atomic_dec(&root->fs_info->defrag_running); wake_up(&root->fs_info->transaction_wait); - - kfree(new); } static struct new_sa_defrag_extent * @@ -2432,7 +2440,7 @@ record_old_file_extents(struct inode *inode, struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_path *path; struct btrfs_key key; - struct old_sa_defrag_extent *old, *tmp; + struct old_sa_defrag_extent *old; struct new_sa_defrag_extent *new; int ret; @@ -2480,7 +2488,7 @@ record_old_file_extents(struct inode *inode, if (slot >= btrfs_header_nritems(l)) { ret = btrfs_next_leaf(root, path); if (ret < 0) - goto out_free_list; + goto out_free_path; else if (ret > 0) break; continue; @@ -2509,7 +2517,7 @@ record_old_file_extents(struct inode *inode, old = kmalloc(sizeof(*old), GFP_NOFS); if (!old) - goto out_free_list; + goto out_free_path; offset = max(new->file_pos, key.offset); end = min(new->file_pos + new->len, key.offset + num_bytes); @@ -2531,15 +2539,10 @@ next: return new; -out_free_list: - list_for_each_entry_safe(old, tmp, &new->head, list) { - list_del(&old->list); - kfree(old); - } out_free_path: btrfs_free_path(path); out_kfree: - kfree(new); + free_sa_defrag_extent(new); return NULL; } @@ -2710,8 +2713,14 @@ out: btrfs_remove_ordered_extent(inode, ordered_extent); /* for snapshot-aware defrag */ - if (new) - relink_file_extents(new); + if (new) { + if (ret) { + free_sa_defrag_extent(new); + atomic_dec(&root->fs_info->defrag_running); + } else { + relink_file_extents(new); + } + } /* once for us */ btrfs_put_ordered_extent(ordered_extent); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 9d46f60cb943..8747feb77ec9 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2130,7 +2130,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, err = mutex_lock_killable_nested(&dir->i_mutex, I_MUTEX_PARENT); if (err == -EINTR) - goto out; + goto out_drop_write; dentry = lookup_one_len(vol_args->name, parent, namelen); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); @@ -2293,6 +2293,7 @@ out_dput: dput(dentry); out_unlock_dir: mutex_unlock(&dir->i_mutex); +out_drop_write: mnt_drop_write_file(file); out: kfree(vol_args); diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index c702cb62f78a..bda1cd84ee5f 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -537,7 +537,9 @@ void btrfs_remove_ordered_extent(struct inode *inode, */ if (RB_EMPTY_ROOT(&tree->tree) && !mapping_tagged(inode->i_mapping, PAGECACHE_TAG_DIRTY)) { + spin_lock(&root->fs_info->ordered_root_lock); list_del_init(&BTRFS_I(inode)->ordered_operations); + spin_unlock(&root->fs_info->ordered_root_lock); } if (!root->nr_ordered_extents) { diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index e46e0ed74925..741c839fa46a 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -121,7 +121,6 @@ struct send_ctx { struct list_head name_cache_list; int name_cache_size; - struct file *cur_inode_filp; char *read_buf; }; @@ -2120,77 +2119,6 @@ out: } /* - * Called for regular files when sending extents data. Opens a struct file - * to read from the file. - */ -static int open_cur_inode_file(struct send_ctx *sctx) -{ - int ret = 0; - struct btrfs_key key; - struct path path; - struct inode *inode; - struct dentry *dentry; - struct file *filp; - int new = 0; - - if (sctx->cur_inode_filp) - goto out; - - key.objectid = sctx->cur_ino; - key.type = BTRFS_INODE_ITEM_KEY; - key.offset = 0; - - inode = btrfs_iget(sctx->send_root->fs_info->sb, &key, sctx->send_root, - &new); - if (IS_ERR(inode)) { - ret = PTR_ERR(inode); - goto out; - } - - dentry = d_obtain_alias(inode); - inode = NULL; - if (IS_ERR(dentry)) { - ret = PTR_ERR(dentry); - goto out; - } - - path.mnt = sctx->mnt; - path.dentry = dentry; - filp = dentry_open(&path, O_RDONLY | O_LARGEFILE, current_cred()); - dput(dentry); - dentry = NULL; - if (IS_ERR(filp)) { - ret = PTR_ERR(filp); - goto out; - } - sctx->cur_inode_filp = filp; - -out: - /* - * no xxxput required here as every vfs op - * does it by itself on failure - */ - return ret; -} - -/* - * Closes the struct file that was created in open_cur_inode_file - */ -static int close_cur_inode_file(struct send_ctx *sctx) -{ - int ret = 0; - - if (!sctx->cur_inode_filp) - goto out; - - ret = filp_close(sctx->cur_inode_filp, NULL); - sctx->cur_inode_filp = NULL; - -out: - return ret; -} - -/* * Sends a BTRFS_SEND_C_SUBVOL command/item to userspace */ static int send_subvol_begin(struct send_ctx *sctx) @@ -3622,6 +3550,72 @@ out: return ret; } +static ssize_t fill_read_buf(struct send_ctx *sctx, u64 offset, u32 len) +{ + struct btrfs_root *root = sctx->send_root; + struct btrfs_fs_info *fs_info = root->fs_info; + struct inode *inode; + struct page *page; + char *addr; + struct btrfs_key key; + pgoff_t index = offset >> PAGE_CACHE_SHIFT; + pgoff_t last_index; + unsigned pg_offset = offset & ~PAGE_CACHE_MASK; + ssize_t ret = 0; + + key.objectid = sctx->cur_ino; + key.type = BTRFS_INODE_ITEM_KEY; + key.offset = 0; + + inode = btrfs_iget(fs_info->sb, &key, root, NULL); + if (IS_ERR(inode)) + return PTR_ERR(inode); + + if (offset + len > i_size_read(inode)) { + if (offset > i_size_read(inode)) + len = 0; + else + len = offset - i_size_read(inode); + } + if (len == 0) + goto out; + + last_index = (offset + len - 1) >> PAGE_CACHE_SHIFT; + while (index <= last_index) { + unsigned cur_len = min_t(unsigned, len, + PAGE_CACHE_SIZE - pg_offset); + page = find_or_create_page(inode->i_mapping, index, GFP_NOFS); + if (!page) { + ret = -ENOMEM; + break; + } + + if (!PageUptodate(page)) { + btrfs_readpage(NULL, page); + lock_page(page); + if (!PageUptodate(page)) { + unlock_page(page); + page_cache_release(page); + ret = -EIO; + break; + } + } + + addr = kmap(page); + memcpy(sctx->read_buf + ret, addr + pg_offset, cur_len); + kunmap(page); + unlock_page(page); + page_cache_release(page); + index++; + pg_offset = 0; + len -= cur_len; + ret += cur_len; + } +out: + iput(inode); + return ret; +} + /* * Read some bytes from the current inode/file and send a write command to * user space. @@ -3630,35 +3624,20 @@ static int send_write(struct send_ctx *sctx, u64 offset, u32 len) { int ret = 0; struct fs_path *p; - loff_t pos = offset; - int num_read = 0; - mm_segment_t old_fs; + ssize_t num_read = 0; p = fs_path_alloc(); if (!p) return -ENOMEM; - /* - * vfs normally only accepts user space buffers for security reasons. - * we only read from the file and also only provide the read_buf buffer - * to vfs. As this buffer does not come from a user space call, it's - * ok to temporary allow kernel space buffers. - */ - old_fs = get_fs(); - set_fs(KERNEL_DS); - verbose_printk("btrfs: send_write offset=%llu, len=%d\n", offset, len); - ret = open_cur_inode_file(sctx); - if (ret < 0) - goto out; - - ret = vfs_read(sctx->cur_inode_filp, sctx->read_buf, len, &pos); - if (ret < 0) - goto out; - num_read = ret; - if (!num_read) + num_read = fill_read_buf(sctx, offset, len); + if (num_read <= 0) { + if (num_read < 0) + ret = num_read; goto out; + } ret = begin_cmd(sctx, BTRFS_SEND_C_WRITE); if (ret < 0) @@ -3677,7 +3656,6 @@ verbose_printk("btrfs: send_write offset=%llu, len=%d\n", offset, len); tlv_put_failure: out: fs_path_free(p); - set_fs(old_fs); if (ret < 0) return ret; return num_read; @@ -4222,10 +4200,6 @@ static int changed_inode(struct send_ctx *sctx, u64 left_gen = 0; u64 right_gen = 0; - ret = close_cur_inode_file(sctx); - if (ret < 0) - goto out; - sctx->cur_ino = key->objectid; sctx->cur_inode_new_gen = 0; @@ -4686,11 +4660,6 @@ static int send_subvol(struct send_ctx *sctx) } out: - if (!ret) - ret = close_cur_inode_file(sctx); - else - close_cur_inode_file(sctx); - free_recorded_refs(sctx); return ret; } @@ -4756,8 +4725,8 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_) } if (!access_ok(VERIFY_READ, arg->clone_sources, - sizeof(*arg->clone_sources * - arg->clone_sources_count))) { + sizeof(*arg->clone_sources) * + arg->clone_sources_count)) { ret = -EFAULT; goto out; } diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 8c81bdc1ef9b..b791cfb9a050 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1453,7 +1453,7 @@ static void do_async_commit(struct work_struct *work) * We've got freeze protection passed with the transaction. * Tell lockdep about it. */ - if (ac->newtrans->type < TRANS_JOIN_NOLOCK) + if (ac->newtrans->type & __TRANS_FREEZABLE) rwsem_acquire_read( &ac->root->fs_info->sb->s_writers.lock_map[SB_FREEZE_FS-1], 0, 1, _THIS_IP_); @@ -1494,7 +1494,7 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans, * Tell lockdep we've released the freeze rwsem, since the * async commit thread will be the one to unlock it. */ - if (trans->type < TRANS_JOIN_NOLOCK) + if (ac->newtrans->type & __TRANS_FREEZABLE) rwsem_release( &root->fs_info->sb->s_writers.lock_map[SB_FREEZE_FS-1], 1, _THIS_IP_); @@ -1552,6 +1552,8 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans, root->fs_info->running_transaction = NULL; spin_unlock(&root->fs_info->trans_lock); + if (trans->type & __TRANS_FREEZABLE) + sb_end_intwrite(root->fs_info->sb); put_transaction(cur_trans); put_transaction(cur_trans); diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 79f057c0619a..e14e1f7748e5 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3375,7 +3375,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans, btrfs_set_token_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG, &token); - if (em->block_start == 0) + if (em->block_start == EXTENT_MAP_HOLE) skip_csum = true; } diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 043b215769c2..b691f375d837 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4488,6 +4488,7 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got " "%Lu-%Lu\n", logical, logical+len, em->start, em->start + em->len); + free_extent_map(em); return 1; } @@ -4668,6 +4669,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, " "found %Lu-%Lu\n", logical, em->start, em->start + em->len); + free_extent_map(em); return -EINVAL; } diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index a235f0016889..c43fe9b39ff2 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -215,7 +215,7 @@ struct getdents_callback { struct dir_context ctx; char *name; /* name that was found. It already points to a buffer NAME_MAX+1 is size */ - unsigned long ino; /* the inum we are looking for */ + u64 ino; /* the inum we are looking for */ int found; /* inode matched? */ int sequence; /* sequence counter */ }; @@ -255,10 +255,14 @@ static int get_name(const struct path *path, char *name, struct dentry *child) struct inode *dir = path->dentry->d_inode; int error; struct file *file; + struct kstat stat; + struct path child_path = { + .mnt = path->mnt, + .dentry = child, + }; struct getdents_callback buffer = { .ctx.actor = filldir_one, .name = name, - .ino = child->d_inode->i_ino }; error = -ENOTDIR; @@ -268,6 +272,16 @@ static int get_name(const struct path *path, char *name, struct dentry *child) if (!dir->i_fop) goto out; /* + * inode->i_ino is unsigned long, kstat->ino is u64, so the + * former would be insufficient on 32-bit hosts when the + * filesystem supports 64-bit inode numbers. So we need to + * actually call ->getattr, not just read i_ino: + */ + error = vfs_getattr_nosec(&child_path, &stat); + if (error) + return error; + buffer.ino = stat.ino; + /* * Open the directory ... */ file = dentry_open(path, O_RDONLY, cred); diff --git a/fs/nfs/blocklayout/extents.c b/fs/nfs/blocklayout/extents.c index 9c3e117c3ed1..4d0161442565 100644 --- a/fs/nfs/blocklayout/extents.c +++ b/fs/nfs/blocklayout/extents.c @@ -44,7 +44,7 @@ static inline sector_t normalize(sector_t s, int base) { sector_t tmp = s; /* Since do_div modifies its argument */ - return s - do_div(tmp, base); + return s - sector_div(tmp, base); } static inline sector_t normalize_up(sector_t s, int base) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9be8021c70d8..dacb2979e8ac 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4752,8 +4752,7 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, dprintk("%s ERROR %d, Reset session\n", __func__, task->tk_status); nfs4_schedule_session_recovery(clp->cl_session, task->tk_status); - task->tk_status = 0; - return -EAGAIN; + goto wait_on_recovery; #endif /* CONFIG_NFS_V4_1 */ case -NFS4ERR_DELAY: nfs_inc_server_stats(server, NFSIOS_DELAY); diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 9186c7ce0b14..b6af150c96b8 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -132,6 +132,13 @@ nfsd_reply_cache_alloc(void) } static void +nfsd_reply_cache_unhash(struct svc_cacherep *rp) +{ + hlist_del_init(&rp->c_hash); + list_del_init(&rp->c_lru); +} + +static void nfsd_reply_cache_free_locked(struct svc_cacherep *rp) { if (rp->c_type == RC_REPLBUFF && rp->c_replvec.iov_base) { @@ -417,7 +424,7 @@ nfsd_cache_lookup(struct svc_rqst *rqstp) rp = list_first_entry(&lru_head, struct svc_cacherep, c_lru); if (nfsd_cache_entry_expired(rp) || num_drc_entries >= max_drc_entries) { - lru_put_end(rp); + nfsd_reply_cache_unhash(rp); prune_cache_entries(); goto search_cache; } diff --git a/fs/stat.c b/fs/stat.c index d0ea7ef75e26..ae0c3cef9927 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -37,14 +37,21 @@ void generic_fillattr(struct inode *inode, struct kstat *stat) EXPORT_SYMBOL(generic_fillattr); -int vfs_getattr(struct path *path, struct kstat *stat) +/** + * vfs_getattr_nosec - getattr without security checks + * @path: file to get attributes from + * @stat: structure to return attributes in + * + * Get attributes without calling security_inode_getattr. + * + * Currently the only caller other than vfs_getattr is internal to the + * filehandle lookup code, which uses only the inode number and returns + * no attributes to any user. Any other code probably wants + * vfs_getattr. + */ +int vfs_getattr_nosec(struct path *path, struct kstat *stat) { struct inode *inode = path->dentry->d_inode; - int retval; - - retval = security_inode_getattr(path->mnt, path->dentry); - if (retval) - return retval; if (inode->i_op->getattr) return inode->i_op->getattr(path->mnt, path->dentry, stat); @@ -53,6 +60,18 @@ int vfs_getattr(struct path *path, struct kstat *stat) return 0; } +EXPORT_SYMBOL(vfs_getattr_nosec); + +int vfs_getattr(struct path *path, struct kstat *stat) +{ + int retval; + + retval = security_inode_getattr(path->mnt, path->dentry); + if (retval) + return retval; + return vfs_getattr_nosec(path, stat); +} + EXPORT_SYMBOL(vfs_getattr); int vfs_fstat(unsigned int fd, struct kstat *stat) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index e64ee5288b86..c888040a1e93 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -217,6 +217,8 @@ xfs_growfs_data_private( */ nfree = 0; for (agno = nagcount - 1; agno >= oagcount; agno--, new -= agsize) { + __be32 *agfl_bno; + /* * AG freespace header block */ @@ -276,8 +278,10 @@ xfs_growfs_data_private( agfl->agfl_seqno = cpu_to_be32(agno); uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_uuid); } + + agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, bp); for (bucket = 0; bucket < XFS_AGFL_SIZE(mp); bucket++) - agfl->agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK); + agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK); error = xfs_bwrite(bp); xfs_buf_relse(bp); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 2e1e6c33841d..8c8ef246c6b4 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -443,7 +443,8 @@ xfs_attrlist_by_handle( return -XFS_ERROR(EPERM); if (copy_from_user(&al_hreq, arg, sizeof(xfs_fsop_attrlist_handlereq_t))) return -XFS_ERROR(EFAULT); - if (al_hreq.buflen > XATTR_LIST_MAX) + if (al_hreq.buflen < sizeof(struct attrlist) || + al_hreq.buflen > XATTR_LIST_MAX) return -XFS_ERROR(EINVAL); /* diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index f671f7e472ac..53365c6db2c2 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -357,7 +357,8 @@ xfs_compat_attrlist_by_handle( if (copy_from_user(&al_hreq, arg, sizeof(compat_xfs_fsop_attrlist_handlereq_t))) return -XFS_ERROR(EFAULT); - if (al_hreq.buflen > XATTR_LIST_MAX) + if (al_hreq.buflen < sizeof(struct attrlist) || + al_hreq.buflen > XATTR_LIST_MAX) return -XFS_ERROR(EINVAL); /* diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h index 973ce10c40b6..dc1bd3dcf11f 100644 --- a/include/linux/compiler-intel.h +++ b/include/linux/compiler-intel.h @@ -28,8 +28,6 @@ #endif -#define uninitialized_var(x) x - #ifndef __HAVE_BUILTIN_BSWAP16__ /* icc has this, but it's called _bswap16 */ #define __HAVE_BUILTIN_BSWAP16__ diff --git a/include/linux/fs.h b/include/linux/fs.h index fefa7b00ba42..164d2a91667f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2504,6 +2504,7 @@ extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern int generic_readlink(struct dentry *, char __user *, int); extern void generic_fillattr(struct inode *, struct kstat *); +int vfs_getattr_nosec(struct path *path, struct kstat *stat); extern int vfs_getattr(struct path *, struct kstat *); void __inode_add_bytes(struct inode *inode, loff_t bytes); void inode_add_bytes(struct inode *inode, loff_t bytes); diff --git a/include/linux/kexec.h b/include/linux/kexec.h index d78d28a733b1..5fd33dc1fe3a 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -198,6 +198,9 @@ extern u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4]; extern size_t vmcoreinfo_size; extern size_t vmcoreinfo_max_size; +/* flag to track if kexec reboot is in progress */ +extern bool kexec_in_progress; + int __init parse_crashkernel(char *cmdline, unsigned long long system_ram, unsigned long long *crash_size, unsigned long long *crash_base); int parse_crashkernel_high(char *cmdline, unsigned long long system_ram, diff --git a/include/linux/usb.h b/include/linux/usb.h index 39cfa0aca91f..6b02370256e4 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1262,6 +1262,8 @@ typedef void (*usb_complete_t)(struct urb *); * @sg: scatter gather buffer list, the buffer size of each element in * the list (except the last) must be divisible by the endpoint's * max packet size if no_sg_constraint isn't set in 'struct usb_bus' + * (FIXME: scatter-gather under xHCI is broken for periodic transfers. + * Do not use urb->sg for interrupt endpoints for now, only bulk.) * @num_mapped_sgs: (internal) number of mapped sg entries * @num_sgs: number of entries in the sg list * @transfer_buffer_length: How big is transfer_buffer. The transfer may diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h index cf15b8213df7..54aff2d73150 100644 --- a/include/sound/memalloc.h +++ b/include/sound/memalloc.h @@ -103,7 +103,7 @@ static inline dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab, { struct snd_sg_buf *sgbuf = dmab->private_data; dma_addr_t addr = sgbuf->table[offset >> PAGE_SHIFT].addr; - addr &= PAGE_MASK; + addr &= ~((dma_addr_t)PAGE_SIZE - 1); return addr + offset % PAGE_SIZE; } diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index d630163b9a2e..5759810e1c1b 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -30,7 +30,7 @@ #include -#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 1) +#define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 2) /** * struct snd_compressed_buffer: compressed buffer * @fragment_size: size of buffer fragment in bytes @@ -67,8 +67,8 @@ struct snd_compr_params { struct snd_compr_tstamp { __u32 byte_offset; __u32 copied_total; - snd_pcm_uframes_t pcm_frames; - snd_pcm_uframes_t pcm_io_frames; + __u32 pcm_frames; + __u32 pcm_io_frames; __u32 sampling_rate; }; diff --git a/kernel/futex.c b/kernel/futex.c index c3a1a55a5214..221a58fc62f7 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -288,7 +288,7 @@ again: put_page(page); /* serialize against __split_huge_page_splitting() */ local_irq_disable(); - if (likely(__get_user_pages_fast(address, 1, 1, &page) == 1)) { + if (likely(__get_user_pages_fast(address, 1, !ro, &page) == 1)) { page_head = compound_head(page); /* * page_head is valid pointer but we must pin diff --git a/kernel/kexec.c b/kernel/kexec.c index 2a74f307c5ec..ecd783dda9ae 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -47,6 +47,9 @@ u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4]; size_t vmcoreinfo_size; size_t vmcoreinfo_max_size = sizeof(vmcoreinfo_data); +/* Flag to indicate we are going to kexec a new kernel */ +bool kexec_in_progress = false; + /* Location of the reserved area for the crash kernel */ struct resource crashk_res = { .name = "Crash kernel", @@ -1675,6 +1678,7 @@ int kernel_kexec(void) } else #endif { + kexec_in_progress = true; kernel_restart_prepare(NULL); printk(KERN_EMERG "Starting new kernel\n"); machine_shutdown(); diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 196559994f7c..fd9ca1de7559 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -225,6 +225,14 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) atomic_read(&cfs_rq->tg->runnable_avg)); #endif #endif +#ifdef CONFIG_CFS_BANDWIDTH + SEQ_printf(m, " .%-30s: %d\n", "tg->cfs_bandwidth.timer_active", + cfs_rq->tg->cfs_bandwidth.timer_active); + SEQ_printf(m, " .%-30s: %d\n", "throttled", + cfs_rq->throttled); + SEQ_printf(m, " .%-30s: %d\n", "throttle_count", + cfs_rq->throttle_count); +#endif #ifdef CONFIG_FAIR_GROUP_SCHED print_cfs_group_stats(m, cpu, cfs_rq->tg); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 7c70201fbc61..513fc2fd5109 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2335,6 +2335,8 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) cfs_rq->throttled_clock = rq_clock(rq); raw_spin_lock(&cfs_b->lock); list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); + if (!cfs_b->timer_active) + __start_cfs_bandwidth(cfs_b); raw_spin_unlock(&cfs_b->lock); } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 13b9d0f221b8..36cc2d0570ab 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2675,7 +2675,10 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm, goto bypass; if (unlikely(task_in_memcg_oom(current))) - goto bypass; + goto nomem; + + if (gfp_mask & __GFP_NOFAIL) + oom = false; /* * We always charge the cgroup the mm_struct belongs to. @@ -6338,6 +6341,42 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css) static void mem_cgroup_css_free(struct cgroup_subsys_state *css) { struct mem_cgroup *memcg = mem_cgroup_from_css(css); + /* + * XXX: css_offline() would be where we should reparent all + * memory to prepare the cgroup for destruction. However, + * memcg does not do css_tryget() and res_counter charging + * under the same RCU lock region, which means that charging + * could race with offlining. Offlining only happens to + * cgroups with no tasks in them but charges can show up + * without any tasks from the swapin path when the target + * memcg is looked up from the swapout record and not from the + * current task as it usually is. A race like this can leak + * charges and put pages with stale cgroup pointers into + * circulation: + * + * #0 #1 + * lookup_swap_cgroup_id() + * rcu_read_lock() + * mem_cgroup_lookup() + * css_tryget() + * rcu_read_unlock() + * disable css_tryget() + * call_rcu() + * offline_css() + * reparent_charges() + * res_counter_charge() + * css_put() + * css_free() + * pc->mem_cgroup = dead memcg + * add page to lru + * + * The bulk of the charges are still moved in offline_css() to + * avoid pinning a lot of pages in case a long-term reference + * like a swapout record is deferring the css_free() to long + * after offlining. But this makes sure we catch any charges + * made after offlining: + */ + mem_cgroup_reparent_charges(memcg); memcg_destroy_kmem(memcg); __mem_cgroup_free(memcg); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index f60b1eec3f87..5e2c2f1a075d 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1075,9 +1075,6 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset, if (flags & MSG_SENDPAGE_NOTLAST) flags |= MSG_MORE; - if (flags & MSG_SENDPAGE_NOTLAST) - flags |= MSG_MORE; - if (!up->pending) { struct msghdr msg = { .msg_flags = flags|MSG_MORE }; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 629dee7ec9bf..9903ee585561 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2386,8 +2386,7 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - if (sdata->vif.type != NL80211_IFTYPE_STATION && - sdata->vif.type != NL80211_IFTYPE_MESH_POINT) + if (sdata->vif.type != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 21d5d44444d0..e765f77bb97a 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1047,6 +1047,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) cancel_work_sync(&local->restart_work); cancel_work_sync(&local->reconfig_filter); + flush_work(&local->sched_scan_stopped_work); ieee80211_clear_tx_pending(local); rate_control_deinitialize(local); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 674eac1f996c..1e5bd0d75732 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -911,7 +911,8 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, u16 sc; u8 tid, ack_policy; - if (!ieee80211_is_data_qos(hdr->frame_control)) + if (!ieee80211_is_data_qos(hdr->frame_control) || + is_multicast_ether_addr(hdr->addr1)) goto dont_reorder; /* diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index d2d17a449224..8f2f003afbb8 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -1089,6 +1089,6 @@ void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw) trace_api_sched_scan_stopped(local); - ieee80211_queue_work(&local->hw, &local->sched_scan_stopped_work); + schedule_work(&local->sched_scan_stopped_work); } EXPORT_SYMBOL(ieee80211_sched_scan_stopped); diff --git a/net/wireless/core.c b/net/wireless/core.c index aff959e5a1b3..00a65ba3aeaa 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -451,6 +451,9 @@ int wiphy_register(struct wiphy *wiphy) int i; u16 ifmodes = wiphy->interface_modes; + /* support for 5/10 MHz is broken due to nl80211 API mess - disable */ + wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_5_10_MHZ; + #ifdef CONFIG_PM if (WARN_ON(wiphy->wowlan && (wiphy->wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 5b5231068516..d9a78fd8a2e1 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -53,6 +53,7 @@ #include /* for local_port_range[] */ #include #include /* struct or_callable used in sock_rcv_skb */ +#include #include #include #include @@ -3805,6 +3806,30 @@ static int selinux_skb_peerlbl_sid(struct sk_buff *skb, u16 family, u32 *sid) return 0; } +/** + * selinux_conn_sid - Determine the child socket label for a connection + * @sk_sid: the parent socket's SID + * @skb_sid: the packet's SID + * @conn_sid: the resulting connection SID + * + * If @skb_sid is valid then the user:role:type information from @sk_sid is + * combined with the MLS information from @skb_sid in order to create + * @conn_sid. If @skb_sid is not valid then then @conn_sid is simply a copy + * of @sk_sid. Returns zero on success, negative values on failure. + * + */ +static int selinux_conn_sid(u32 sk_sid, u32 skb_sid, u32 *conn_sid) +{ + int err = 0; + + if (skb_sid != SECSID_NULL) + err = security_sid_mls_copy(sk_sid, skb_sid, conn_sid); + else + *conn_sid = sk_sid; + + return err; +} + /* socket security operations */ static int socket_sockcreate_sid(const struct task_security_struct *tsec, @@ -4411,7 +4436,7 @@ static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb, struct sk_security_struct *sksec = sk->sk_security; int err; u16 family = sk->sk_family; - u32 newsid; + u32 connsid; u32 peersid; /* handle mapped IPv4 packets arriving via IPv6 sockets */ @@ -4421,16 +4446,11 @@ static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb, err = selinux_skb_peerlbl_sid(skb, family, &peersid); if (err) return err; - if (peersid == SECSID_NULL) { - req->secid = sksec->sid; - req->peer_secid = SECSID_NULL; - } else { - err = security_sid_mls_copy(sksec->sid, peersid, &newsid); - if (err) - return err; - req->secid = newsid; - req->peer_secid = peersid; - } + err = selinux_conn_sid(sksec->sid, peersid, &connsid); + if (err) + return err; + req->secid = connsid; + req->peer_secid = peersid; return selinux_netlbl_inet_conn_request(req, family); } @@ -4690,6 +4710,7 @@ static unsigned int selinux_ipv6_forward(unsigned int hooknum, static unsigned int selinux_ip_output(struct sk_buff *skb, u16 family) { + struct sock *sk; u32 sid; if (!netlbl_enabled()) @@ -4698,8 +4719,27 @@ static unsigned int selinux_ip_output(struct sk_buff *skb, /* we do this in the LOCAL_OUT path and not the POST_ROUTING path * because we want to make sure we apply the necessary labeling * before IPsec is applied so we can leverage AH protection */ - if (skb->sk) { - struct sk_security_struct *sksec = skb->sk->sk_security; + sk = skb->sk; + if (sk) { + struct sk_security_struct *sksec; + + if (sk->sk_state == TCP_LISTEN) + /* if the socket is the listening state then this + * packet is a SYN-ACK packet which means it needs to + * be labeled based on the connection/request_sock and + * not the parent socket. unfortunately, we can't + * lookup the request_sock yet as it isn't queued on + * the parent socket until after the SYN-ACK is sent. + * the "solution" is to simply pass the packet as-is + * as any IP option based labeling should be copied + * from the initial connection request (in the IP + * layer). it is far from ideal, but until we get a + * security label in the packet itself this is the + * best we can do. */ + return NF_ACCEPT; + + /* standard practice, label using the parent socket */ + sksec = sk->sk_security; sid = sksec->sid; } else sid = SECINITSID_KERNEL; @@ -4784,12 +4824,12 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, if (!secmark_active && !peerlbl_active) return NF_ACCEPT; - /* if the packet is being forwarded then get the peer label from the - * packet itself; otherwise check to see if it is from a local - * application or the kernel, if from an application get the peer label - * from the sending socket, otherwise use the kernel's sid */ sk = skb->sk; if (sk == NULL) { + /* Without an associated socket the packet is either coming + * from the kernel or it is being forwarded; check the packet + * to determine which and if the packet is being forwarded + * query the packet directly to determine the security label. */ if (skb->skb_iif) { secmark_perm = PACKET__FORWARD_OUT; if (selinux_skb_peerlbl_sid(skb, family, &peer_sid)) @@ -4798,7 +4838,26 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, secmark_perm = PACKET__SEND; peer_sid = SECINITSID_KERNEL; } + } else if (sk->sk_state == TCP_LISTEN) { + /* Locally generated packet but the associated socket is in the + * listening state which means this is a SYN-ACK packet. In + * this particular case the correct security label is assigned + * to the connection/request_sock but unfortunately we can't + * query the request_sock as it isn't queued on the parent + * socket until after the SYN-ACK packet is sent; the only + * viable choice is to regenerate the label like we do in + * selinux_inet_conn_request(). See also selinux_ip_output() + * for similar problems. */ + u32 skb_sid; + struct sk_security_struct *sksec = sk->sk_security; + if (selinux_skb_peerlbl_sid(skb, family, &skb_sid)) + return NF_DROP; + if (selinux_conn_sid(sksec->sid, skb_sid, &peer_sid)) + return NF_DROP; + secmark_perm = PACKET__SEND; } else { + /* Locally generated packet, fetch the security label from the + * associated socket. */ struct sk_security_struct *sksec = sk->sk_security; peer_sid = sksec->sid; secmark_perm = PACKET__SEND; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index c4671d00babd..c7f6d1cab606 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -474,6 +474,20 @@ static void invalidate_nid_path(struct hda_codec *codec, int idx) memset(path, 0, sizeof(*path)); } +/* return a DAC if paired to the given pin by codec driver */ +static hda_nid_t get_preferred_dac(struct hda_codec *codec, hda_nid_t pin) +{ + struct hda_gen_spec *spec = codec->spec; + const hda_nid_t *list = spec->preferred_dacs; + + if (!list) + return 0; + for (; *list; list += 2) + if (*list == pin) + return list[1]; + return 0; +} + /* look for an empty DAC slot */ static hda_nid_t look_for_dac(struct hda_codec *codec, hda_nid_t pin, bool is_digital) @@ -1192,7 +1206,14 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, continue; } - dacs[i] = look_for_dac(codec, pin, false); + dacs[i] = get_preferred_dac(codec, pin); + if (dacs[i]) { + if (is_dac_already_used(codec, dacs[i])) + badness += bad->shared_primary; + } + + if (!dacs[i]) + dacs[i] = look_for_dac(codec, pin, false); if (!dacs[i] && !i) { /* try to steal the DAC of surrounds for the front */ for (j = 1; j < num_outs; j++) { @@ -4297,6 +4318,26 @@ static unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, return AC_PWRST_D3; } +/* mute all aamix inputs initially; parse up to the first leaves */ +static void mute_all_mixer_nid(struct hda_codec *codec, hda_nid_t mix) +{ + int i, nums; + const hda_nid_t *conn; + bool has_amp; + + nums = snd_hda_get_conn_list(codec, mix, &conn); + has_amp = nid_has_mute(codec, mix, HDA_INPUT); + for (i = 0; i < nums; i++) { + if (has_amp) + snd_hda_codec_amp_stereo(codec, mix, + HDA_INPUT, i, + 0xff, HDA_AMP_MUTE); + else if (nid_has_volume(codec, conn[i], HDA_OUTPUT)) + snd_hda_codec_amp_stereo(codec, conn[i], + HDA_OUTPUT, 0, + 0xff, HDA_AMP_MUTE); + } +} /* * Parse the given BIOS configuration and set up the hda_gen_spec @@ -4435,6 +4476,10 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec, } } + /* mute all aamix input initially */ + if (spec->mixer_nid) + mute_all_mixer_nid(codec, spec->mixer_nid); + dig_only: parse_digital(codec); diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 7e45cb44d151..0929a06df812 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -249,6 +249,9 @@ struct hda_gen_spec { const struct badness_table *main_out_badness; const struct badness_table *extra_out_badness; + /* preferred pin/DAC pairs; an array of paired NIDs */ + const hda_nid_t *preferred_dacs; + /* loopback mixing mode */ bool aamix_mode; diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index f684a4f8c797..38aa080681a3 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -324,6 +324,14 @@ static int patch_ad1986a(struct hda_codec *codec) { int err; struct ad198x_spec *spec; + static hda_nid_t preferred_pairs[] = { + 0x1a, 0x03, + 0x1b, 0x03, + 0x1c, 0x04, + 0x1d, 0x05, + 0x1e, 0x03, + 0 + }; err = alloc_ad_spec(codec); if (err < 0) @@ -344,6 +352,8 @@ static int patch_ad1986a(struct hda_codec *codec) * So, let's disable the shared stream. */ spec->gen.multiout.no_share_stream = 1; + /* give fixed DAC/pin pairs */ + spec->gen.preferred_dacs = preferred_pairs; /* AD1986A can't manage the dynamic pin on/off smoothly */ spec->gen.auto_mute_via_amp = 1; diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 8d2d01b0cf86..f26c42c92db7 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -2085,8 +2085,9 @@ static int simple_playback_build_controls(struct hda_codec *codec) int err; per_cvt = get_cvt(spec, 0); - err = snd_hda_create_spdif_out_ctls(codec, per_cvt->cvt_nid, - per_cvt->cvt_nid); + err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, + per_cvt->cvt_nid, + HDA_PCM_TYPE_HDMI); if (err < 0) return err; return simple_hdmi_build_jack(codec, 0); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 1cf9ccb01013..aac732d17c17 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1893,6 +1893,9 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) int r; struct kvm_vcpu *vcpu, *v; + if (id >= KVM_MAX_VCPUS) + return -EINVAL; + vcpu = kvm_arch_vcpu_create(kvm, id); if (IS_ERR(vcpu)) return PTR_ERR(vcpu);