diff --git a/Makefile b/Makefile index 2f0c428ed2b6..f9d3d58ae801 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 3 -SUBLEVEL = 12 +SUBLEVEL = 13 EXTRAVERSION = NAME = Bobtail Squid diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S index 10415572e82f..322b55664cca 100644 --- a/arch/arm64/lib/clear_user.S +++ b/arch/arm64/lib/clear_user.S @@ -48,5 +48,6 @@ EXPORT_SYMBOL(__arch_clear_user) .section .fixup,"ax" .align 2 9: mov x0, x2 // return the original size + uaccess_disable_not_uao x2, x3 ret .previous diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S index 680e74409ff9..8472dc7798b3 100644 --- a/arch/arm64/lib/copy_from_user.S +++ b/arch/arm64/lib/copy_from_user.S @@ -66,5 +66,6 @@ EXPORT_SYMBOL(__arch_copy_from_user) .section .fixup,"ax" .align 2 9998: sub x0, end, dst // bytes not copied + uaccess_disable_not_uao x3, x4 ret .previous diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S index 0bedae3f3792..8e0355c1e318 100644 --- a/arch/arm64/lib/copy_in_user.S +++ b/arch/arm64/lib/copy_in_user.S @@ -68,5 +68,6 @@ EXPORT_SYMBOL(__arch_copy_in_user) .section .fixup,"ax" .align 2 9998: sub x0, end, dst // bytes not copied + uaccess_disable_not_uao x3, x4 ret .previous diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S index 2d88c736e8f2..6085214654dc 100644 --- a/arch/arm64/lib/copy_to_user.S +++ b/arch/arm64/lib/copy_to_user.S @@ -65,5 +65,6 @@ EXPORT_SYMBOL(__arch_copy_to_user) .section .fixup,"ax" .align 2 9998: sub x0, end, dst // bytes not copied + uaccess_disable_not_uao x3, x4 ret .previous diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 70bcbd02edcb..aabc8c1ab0cd 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2699,6 +2699,28 @@ static void bfq_bfqq_save_state(struct bfq_queue *bfqq) } } + +static +void bfq_release_process_ref(struct bfq_data *bfqd, struct bfq_queue *bfqq) +{ + /* + * To prevent bfqq's service guarantees from being violated, + * bfqq may be left busy, i.e., queued for service, even if + * empty (see comments in __bfq_bfqq_expire() for + * details). But, if no process will send requests to bfqq any + * longer, then there is no point in keeping bfqq queued for + * service. In addition, keeping bfqq queued for service, but + * with no process ref any longer, may have caused bfqq to be + * freed when dequeued from service. But this is assumed to + * never happen. + */ + if (bfq_bfqq_busy(bfqq) && RB_EMPTY_ROOT(&bfqq->sort_list) && + bfqq != bfqd->in_service_queue) + bfq_del_bfqq_busy(bfqd, bfqq, false); + + bfq_put_queue(bfqq); +} + static void bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic, struct bfq_queue *bfqq, struct bfq_queue *new_bfqq) @@ -2769,8 +2791,7 @@ bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic, */ new_bfqq->pid = -1; bfqq->bic = NULL; - /* release process reference to bfqq */ - bfq_put_queue(bfqq); + bfq_release_process_ref(bfqd, bfqq); } static bool bfq_allow_bio_merge(struct request_queue *q, struct request *rq, @@ -4885,7 +4906,7 @@ static void bfq_exit_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq) bfq_put_cooperator(bfqq); - bfq_put_queue(bfqq); /* release process reference */ + bfq_release_process_ref(bfqd, bfqq); } static void bfq_exit_icq_bfqq(struct bfq_io_cq *bic, bool is_sync) @@ -4987,8 +5008,7 @@ static void bfq_check_ioprio_change(struct bfq_io_cq *bic, struct bio *bio) bfqq = bic_to_bfqq(bic, false); if (bfqq) { - /* release process reference on this queue */ - bfq_put_queue(bfqq); + bfq_release_process_ref(bfqd, bfqq); bfqq = bfq_get_queue(bfqd, bio, BLK_RW_ASYNC, bic); bic_set_bfqq(bic, bfqq, false); } @@ -5948,7 +5968,7 @@ bfq_split_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq) bfq_put_cooperator(bfqq); - bfq_put_queue(bfqq); + bfq_release_process_ref(bfqq->bfqd, bfqq); return NULL; } diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index a245597a3902..c2c82e6391b4 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -579,7 +579,7 @@ static void cdc_ncm_set_dgram_size(struct usbnet *dev, int new_size) err = usbnet_read_cmd(dev, USB_CDC_GET_MAX_DATAGRAM_SIZE, USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE, 0, iface_no, &max_datagram_size, sizeof(max_datagram_size)); - if (err < sizeof(max_datagram_size)) { + if (err != sizeof(max_datagram_size)) { dev_dbg(&dev->intf->dev, "GET_MAX_DATAGRAM_SIZE failed\n"); goto out; } diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index 3558a70a6664..8e2e19f3bf44 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -999,98 +999,6 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs) DPRINTK("========================================\n"); } -/** - * fb_edid_add_monspecs() - add monitor video modes from E-EDID data - * @edid: 128 byte array with an E-EDID block - * @spacs: monitor specs to be extended - */ -void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs) -{ - unsigned char *block; - struct fb_videomode *m; - int num = 0, i; - u8 svd[64], edt[(128 - 4) / DETAILED_TIMING_DESCRIPTION_SIZE]; - u8 pos = 4, svd_n = 0; - - if (!edid) - return; - - if (!edid_checksum(edid)) - return; - - if (edid[0] != 0x2 || - edid[2] < 4 || edid[2] > 128 - DETAILED_TIMING_DESCRIPTION_SIZE) - return; - - DPRINTK(" Short Video Descriptors\n"); - - while (pos < edid[2]) { - u8 len = edid[pos] & 0x1f, type = (edid[pos] >> 5) & 7; - pr_debug("Data block %u of %u bytes\n", type, len); - if (type == 2) { - for (i = pos; i < pos + len; i++) { - u8 idx = edid[pos + i] & 0x7f; - svd[svd_n++] = idx; - pr_debug("N%sative mode #%d\n", - edid[pos + i] & 0x80 ? "" : "on-n", idx); - } - } else if (type == 3 && len >= 3) { - /* Check Vendor Specific Data Block. For HDMI, - it is always 00-0C-03 for HDMI Licensing, LLC. */ - if (edid[pos + 1] == 3 && edid[pos + 2] == 0xc && - edid[pos + 3] == 0) - specs->misc |= FB_MISC_HDMI; - } - pos += len + 1; - } - - block = edid + edid[2]; - - DPRINTK(" Extended Detailed Timings\n"); - - for (i = 0; i < (128 - edid[2]) / DETAILED_TIMING_DESCRIPTION_SIZE; - i++, block += DETAILED_TIMING_DESCRIPTION_SIZE) - if (PIXEL_CLOCK != 0) - edt[num++] = block - edid; - - /* Yikes, EDID data is totally useless */ - if (!(num + svd_n)) - return; - - m = kcalloc(specs->modedb_len + num + svd_n, - sizeof(struct fb_videomode), - GFP_KERNEL); - - if (!m) - return; - - memcpy(m, specs->modedb, specs->modedb_len * sizeof(struct fb_videomode)); - - for (i = specs->modedb_len; i < specs->modedb_len + num; i++) { - get_detailed_timing(edid + edt[i - specs->modedb_len], &m[i]); - if (i == specs->modedb_len) - m[i].flag |= FB_MODE_IS_FIRST; - pr_debug("Adding %ux%u@%u\n", m[i].xres, m[i].yres, m[i].refresh); - } - - for (i = specs->modedb_len + num; i < specs->modedb_len + num + svd_n; i++) { - int idx = svd[i - specs->modedb_len - num]; - if (!idx || idx >= ARRAY_SIZE(cea_modes)) { - pr_warn("Reserved SVD code %d\n", idx); - } else if (!cea_modes[idx].xres) { - pr_warn("Unimplemented SVD code %d\n", idx); - } else { - memcpy(&m[i], cea_modes + idx, sizeof(m[i])); - pr_debug("Adding SVD #%d: %ux%u@%u\n", idx, - m[i].xres, m[i].yres, m[i].refresh); - } - } - - kfree(specs->modedb); - specs->modedb = m; - specs->modedb_len = specs->modedb_len + num + svd_n; -} - /* * VESA Generalized Timing Formula (GTF) */ @@ -1500,9 +1408,6 @@ int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var) void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs) { } -void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs) -{ -} void fb_destroy_modedb(struct fb_videomode *modedb) { } @@ -1610,7 +1515,6 @@ EXPORT_SYMBOL(fb_firmware_edid); EXPORT_SYMBOL(fb_parse_edid); EXPORT_SYMBOL(fb_edid_to_monspecs); -EXPORT_SYMBOL(fb_edid_add_monspecs); EXPORT_SYMBOL(fb_get_mode); EXPORT_SYMBOL(fb_validate_mode); EXPORT_SYMBOL(fb_destroy_modedb); diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index ac049871704d..6473e0dfe146 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -289,63 +289,6 @@ static const struct fb_videomode modedb[] = { }; #ifdef CONFIG_FB_MODE_HELPERS -const struct fb_videomode cea_modes[65] = { - /* #1: 640x480p@59.94/60Hz */ - [1] = { - NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #3: 720x480p@59.94/60Hz */ - [3] = { - NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #5: 1920x1080i@59.94/60Hz */ - [5] = { - NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_INTERLACED, 0, - }, - /* #7: 720(1440)x480iH@59.94/60Hz */ - [7] = { - NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, - FB_VMODE_INTERLACED, 0, - }, - /* #9: 720(1440)x240pH@59.94/60Hz */ - [9] = { - NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #18: 720x576pH@50Hz */ - [18] = { - NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, - FB_VMODE_NONINTERLACED, 0, - }, - /* #19: 1280x720p@50Hz */ - [19] = { - NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0, - }, - /* #20: 1920x1080i@50Hz */ - [20] = { - NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_INTERLACED, 0, - }, - /* #32: 1920x1080p@23.98/24Hz */ - [32] = { - NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - FB_VMODE_NONINTERLACED, 0, - }, - /* #35: (2880)x480p4x@59.94/60Hz */ - [35] = { - NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, - FB_VMODE_NONINTERLACED, 0, - }, -}; - const struct fb_videomode vesa_modes[] = { /* 0 640x350-85 VESA */ { NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3, diff --git a/include/linux/fb.h b/include/linux/fb.h index 303771264644..50948e519897 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -721,8 +721,6 @@ extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); extern const unsigned char *fb_firmware_edid(struct device *device); extern void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs); -extern void fb_edid_add_monspecs(unsigned char *edid, - struct fb_monspecs *specs); extern void fb_destroy_modedb(struct fb_videomode *modedb); extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); @@ -796,7 +794,6 @@ struct dmt_videomode { extern const char *fb_mode_option; extern const struct fb_videomode vesa_modes[]; -extern const struct fb_videomode cea_modes[65]; extern const struct dmt_videomode dmt_modes[]; struct fb_modelist { diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 2c1a66cd47df..f363fed0db4f 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -436,67 +436,33 @@ static void shrink_zone_span(struct zone *zone, unsigned long start_pfn, zone_span_writeunlock(zone); } -static void shrink_pgdat_span(struct pglist_data *pgdat, - unsigned long start_pfn, unsigned long end_pfn) +static void update_pgdat_span(struct pglist_data *pgdat) { - unsigned long pgdat_start_pfn = pgdat->node_start_pfn; - unsigned long p = pgdat_end_pfn(pgdat); /* pgdat_end_pfn namespace clash */ - unsigned long pgdat_end_pfn = p; - unsigned long pfn; - int nid = pgdat->node_id; - - if (pgdat_start_pfn == start_pfn) { - /* - * If the section is smallest section in the pgdat, it need - * shrink pgdat->node_start_pfn and pgdat->node_spanned_pages. - * In this case, we find second smallest valid mem_section - * for shrinking zone. - */ - pfn = find_smallest_section_pfn(nid, NULL, end_pfn, - pgdat_end_pfn); - if (pfn) { - pgdat->node_start_pfn = pfn; - pgdat->node_spanned_pages = pgdat_end_pfn - pfn; - } - } else if (pgdat_end_pfn == end_pfn) { - /* - * If the section is biggest section in the pgdat, it need - * shrink pgdat->node_spanned_pages. - * In this case, we find second biggest valid mem_section for - * shrinking zone. - */ - pfn = find_biggest_section_pfn(nid, NULL, pgdat_start_pfn, - start_pfn); - if (pfn) - pgdat->node_spanned_pages = pfn - pgdat_start_pfn + 1; - } + unsigned long node_start_pfn = 0, node_end_pfn = 0; + struct zone *zone; - /* - * If the section is not biggest or smallest mem_section in the pgdat, - * it only creates a hole in the pgdat. So in this case, we need not - * change the pgdat. - * But perhaps, the pgdat has only hole data. Thus it check the pgdat - * has only hole or not. - */ - pfn = pgdat_start_pfn; - for (; pfn < pgdat_end_pfn; pfn += PAGES_PER_SUBSECTION) { - if (unlikely(!pfn_valid(pfn))) - continue; + for (zone = pgdat->node_zones; + zone < pgdat->node_zones + MAX_NR_ZONES; zone++) { + unsigned long zone_end_pfn = zone->zone_start_pfn + + zone->spanned_pages; - if (pfn_to_nid(pfn) != nid) + /* No need to lock the zones, they can't change. */ + if (!zone->spanned_pages) continue; - - /* Skip range to be removed */ - if (pfn >= start_pfn && pfn < end_pfn) + if (!node_end_pfn) { + node_start_pfn = zone->zone_start_pfn; + node_end_pfn = zone_end_pfn; continue; + } - /* If we find valid section, we have nothing to do */ - return; + if (zone_end_pfn > node_end_pfn) + node_end_pfn = zone_end_pfn; + if (zone->zone_start_pfn < node_start_pfn) + node_start_pfn = zone->zone_start_pfn; } - /* The pgdat has no valid section */ - pgdat->node_start_pfn = 0; - pgdat->node_spanned_pages = 0; + pgdat->node_start_pfn = node_start_pfn; + pgdat->node_spanned_pages = node_end_pfn - node_start_pfn; } static void __remove_zone(struct zone *zone, unsigned long start_pfn, @@ -507,7 +473,7 @@ static void __remove_zone(struct zone *zone, unsigned long start_pfn, pgdat_resize_lock(zone->zone_pgdat, &flags); shrink_zone_span(zone, start_pfn, start_pfn + nr_pages); - shrink_pgdat_span(pgdat, start_pfn, start_pfn + nr_pages); + update_pgdat_span(pgdat); pgdat_resize_unlock(zone->zone_pgdat, &flags); }