diff --git a/Makefile b/Makefile index b740f9c933cb7..822a8e10d4325 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 17 +SUBLEVEL = 18 EXTRAVERSION = NAME = Kleptomaniac Octopus diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c index e52950a43f2ed..fd6e3aafe2724 100644 --- a/arch/arm/xen/p2m.c +++ b/arch/arm/xen/p2m.c @@ -95,8 +95,10 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, for (i = 0; i < count; i++) { if (map_ops[i].status) continue; - set_phys_to_machine(map_ops[i].host_addr >> XEN_PAGE_SHIFT, - map_ops[i].dev_bus_addr >> XEN_PAGE_SHIFT); + if (unlikely(!set_phys_to_machine(map_ops[i].host_addr >> XEN_PAGE_SHIFT, + map_ops[i].dev_bus_addr >> XEN_PAGE_SHIFT))) { + return -ENOMEM; + } } return 0; diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index be4151f42611f..d71942a3c65af 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -712,7 +712,8 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, unsigned long mfn, pfn; /* Do not add to override if the map failed. */ - if (map_ops[i].status) + if (map_ops[i].status != GNTST_okay || + (kmap_ops && kmap_ops[i].status != GNTST_okay)) continue; if (map_ops[i].flags & GNTMAP_contains_pte) { @@ -750,17 +751,15 @@ int clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops, unsigned long mfn = __pfn_to_mfn(page_to_pfn(pages[i])); unsigned long pfn = page_to_pfn(pages[i]); - if (mfn == INVALID_P2M_ENTRY || !(mfn & FOREIGN_FRAME_BIT)) { + if (mfn != INVALID_P2M_ENTRY && (mfn & FOREIGN_FRAME_BIT)) + set_phys_to_machine(pfn, INVALID_P2M_ENTRY); + else ret = -EINVAL; - goto out; - } - - set_phys_to_machine(pfn, INVALID_P2M_ENTRY); } if (kunmap_ops) ret = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, - kunmap_ops, count); -out: + kunmap_ops, count) ?: ret; + return ret; } EXPORT_SYMBOL_GPL(clear_foreign_p2m_mapping); diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 9ebf53903d7bf..da16121140cab 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -794,8 +794,13 @@ again: pages[i]->persistent_gnt = persistent_gnt; } else { if (gnttab_page_cache_get(&ring->free_pages, - &pages[i]->page)) - goto out_of_memory; + &pages[i]->page)) { + gnttab_page_cache_put(&ring->free_pages, + pages_to_gnt, + segs_to_map); + ret = -ENOMEM; + goto out; + } addr = vaddr(pages[i]->page); pages_to_gnt[segs_to_map] = pages[i]->page; pages[i]->persistent_gnt = NULL; @@ -811,10 +816,8 @@ again: break; } - if (segs_to_map) { + if (segs_to_map) ret = gnttab_map_refs(map, NULL, pages_to_gnt, segs_to_map); - BUG_ON(ret); - } /* * Now swizzle the MFN in our domain with the MFN from the other domain @@ -830,7 +833,7 @@ again: gnttab_page_cache_put(&ring->free_pages, &pages[seg_idx]->page, 1); pages[seg_idx]->handle = BLKBACK_INVALID_HANDLE; - ret |= 1; + ret |= !ret; goto next; } pages[seg_idx]->handle = map[new_map_idx].handle; @@ -882,17 +885,18 @@ next: } segs_to_map = 0; last_map = map_until; - if (map_until != num) + if (!ret && map_until != num) goto again; - return ret; - -out_of_memory: - pr_alert("%s: out of memory\n", __func__); - gnttab_page_cache_put(&ring->free_pages, pages_to_gnt, segs_to_map); - for (i = last_map; i < num; i++) +out: + for (i = last_map; i < num; i++) { + /* Don't zap current batch's valid persistent grants. */ + if(i >= last_map + segs_to_map) + pages[i]->persistent_gnt = NULL; pages[i]->handle = BLKBACK_INVALID_HANDLE; - return -ENOMEM; + } + + return ret; } static int xen_blkbk_map_seg(struct pending_req *pending_req) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 80468745d5c5e..9f958699141e2 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -480,7 +480,6 @@ static const struct dmi_system_id btusb_needs_reset_resume_table[] = { #define BTUSB_HW_RESET_ACTIVE 12 #define BTUSB_TX_WAIT_VND_EVT 13 #define BTUSB_WAKEUP_DISABLE 14 -#define BTUSB_USE_ALT1_FOR_WBS 15 struct btusb_data { struct hci_dev *hdev; @@ -1710,15 +1709,12 @@ static void btusb_work(struct work_struct *work) new_alts = data->sco_num; } } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { - /* Check if Alt 6 is supported for Transparent audio */ - if (btusb_find_altsetting(data, 6)) { - data->usb_alt6_packet_flow = true; - new_alts = 6; - } else if (test_bit(BTUSB_USE_ALT1_FOR_WBS, &data->flags)) { - new_alts = 1; - } else { - bt_dev_err(hdev, "Device does not support ALT setting 6"); - } + /* Bluetooth USB spec recommends alt 6 (63 bytes), but + * many adapters do not support it. Alt 1 appears to + * work for all adapters that do not have alt 6, and + * which work with WBS at all. + */ + new_alts = btusb_find_altsetting(data, 6) ? 6 : 1; } if (btusb_switch_alt_setting(hdev, new_alts) < 0) @@ -4149,10 +4145,6 @@ static int btusb_probe(struct usb_interface *intf, * (DEVICE_REMOTE_WAKEUP) */ set_bit(BTUSB_WAKEUP_DISABLE, &data->flags); - if (btusb_find_altsetting(data, 1)) - set_bit(BTUSB_USE_ALT1_FOR_WBS, &data->flags); - else - bt_dev_err(hdev, "Device does not support ALT setting 1"); } if (!reset) diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 436e17f1d0e53..bd478947b93a5 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -28,6 +28,18 @@ static int isert_debug_level; module_param_named(debug_level, isert_debug_level, int, 0644); MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0 (default:0)"); +static int isert_sg_tablesize_set(const char *val, + const struct kernel_param *kp); +static const struct kernel_param_ops sg_tablesize_ops = { + .set = isert_sg_tablesize_set, + .get = param_get_int, +}; + +static int isert_sg_tablesize = ISCSI_ISER_DEF_SG_TABLESIZE; +module_param_cb(sg_tablesize, &sg_tablesize_ops, &isert_sg_tablesize, 0644); +MODULE_PARM_DESC(sg_tablesize, + "Number of gather/scatter entries in a single scsi command, should >= 128 (default: 256, max: 4096)"); + static DEFINE_MUTEX(device_list_mutex); static LIST_HEAD(device_list); static struct workqueue_struct *isert_comp_wq; @@ -47,6 +59,19 @@ static void isert_send_done(struct ib_cq *cq, struct ib_wc *wc); static void isert_login_recv_done(struct ib_cq *cq, struct ib_wc *wc); static void isert_login_send_done(struct ib_cq *cq, struct ib_wc *wc); +static int isert_sg_tablesize_set(const char *val, const struct kernel_param *kp) +{ + int n = 0, ret; + + ret = kstrtoint(val, 10, &n); + if (ret != 0 || n < ISCSI_ISER_MIN_SG_TABLESIZE || + n > ISCSI_ISER_MAX_SG_TABLESIZE) + return -EINVAL; + + return param_set_int(val, kp); +} + + static inline bool isert_prot_cmd(struct isert_conn *conn, struct se_cmd *cmd) { @@ -101,7 +126,7 @@ isert_create_qp(struct isert_conn *isert_conn, attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS + 1; attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1; factor = rdma_rw_mr_factor(device->ib_device, cma_id->port_num, - ISCSI_ISER_MAX_SG_TABLESIZE); + isert_sg_tablesize); attr.cap.max_rdma_ctxs = ISCSI_DEF_XMIT_CMDS_MAX * factor; attr.cap.max_send_sge = device->ib_device->attrs.max_send_sge; attr.cap.max_recv_sge = 1; diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index 7fee4a65e181a..6c5af13db4e0d 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -65,6 +65,12 @@ */ #define ISER_RX_SIZE (ISCSI_DEF_MAX_RECV_SEG_LEN + 1024) +/* Default I/O size is 1MB */ +#define ISCSI_ISER_DEF_SG_TABLESIZE 256 + +/* Minimum I/O size is 512KB */ +#define ISCSI_ISER_MIN_SG_TABLESIZE 128 + /* Maximum support is 16MB I/O size */ #define ISCSI_ISER_MAX_SG_TABLESIZE 4096 diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 61869636ec613..5e3339cc31c07 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -155,16 +155,17 @@ static const struct video_device pwc_template = { /***************************************************************************/ /* Private functions */ -static void *pwc_alloc_urb_buffer(struct device *dev, +static void *pwc_alloc_urb_buffer(struct usb_device *dev, size_t size, dma_addr_t *dma_handle) { + struct device *dmadev = dev->bus->sysdev; void *buffer = kmalloc(size, GFP_KERNEL); if (!buffer) return NULL; - *dma_handle = dma_map_single(dev, buffer, size, DMA_FROM_DEVICE); - if (dma_mapping_error(dev, *dma_handle)) { + *dma_handle = dma_map_single(dmadev, buffer, size, DMA_FROM_DEVICE); + if (dma_mapping_error(dmadev, *dma_handle)) { kfree(buffer); return NULL; } @@ -172,12 +173,14 @@ static void *pwc_alloc_urb_buffer(struct device *dev, return buffer; } -static void pwc_free_urb_buffer(struct device *dev, +static void pwc_free_urb_buffer(struct usb_device *dev, size_t size, void *buffer, dma_addr_t dma_handle) { - dma_unmap_single(dev, dma_handle, size, DMA_FROM_DEVICE); + struct device *dmadev = dev->bus->sysdev; + + dma_unmap_single(dmadev, dma_handle, size, DMA_FROM_DEVICE); kfree(buffer); } @@ -282,6 +285,7 @@ static void pwc_frame_complete(struct pwc_device *pdev) static void pwc_isoc_handler(struct urb *urb) { struct pwc_device *pdev = (struct pwc_device *)urb->context; + struct device *dmadev = urb->dev->bus->sysdev; int i, fst, flen; unsigned char *iso_buf = NULL; @@ -328,7 +332,7 @@ static void pwc_isoc_handler(struct urb *urb) /* Reset ISOC error counter. We did get here, after all. */ pdev->visoc_errors = 0; - dma_sync_single_for_cpu(&urb->dev->dev, + dma_sync_single_for_cpu(dmadev, urb->transfer_dma, urb->transfer_buffer_length, DMA_FROM_DEVICE); @@ -379,7 +383,7 @@ static void pwc_isoc_handler(struct urb *urb) pdev->vlast_packet_size = flen; } - dma_sync_single_for_device(&urb->dev->dev, + dma_sync_single_for_device(dmadev, urb->transfer_dma, urb->transfer_buffer_length, DMA_FROM_DEVICE); @@ -461,7 +465,7 @@ retry: urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint); urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; urb->transfer_buffer_length = ISO_BUFFER_SIZE; - urb->transfer_buffer = pwc_alloc_urb_buffer(&udev->dev, + urb->transfer_buffer = pwc_alloc_urb_buffer(udev, urb->transfer_buffer_length, &urb->transfer_dma); if (urb->transfer_buffer == NULL) { @@ -524,7 +528,7 @@ static void pwc_iso_free(struct pwc_device *pdev) if (urb) { PWC_DEBUG_MEMORY("Freeing URB\n"); if (urb->transfer_buffer) - pwc_free_urb_buffer(&urb->dev->dev, + pwc_free_urb_buffer(urb->dev, urb->transfer_buffer_length, urb->transfer_buffer, urb->transfer_dma); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 31b40fb83f6c1..c31036f57aef8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -2718,11 +2718,11 @@ int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev, int mt7615_mcu_set_fcc5_lpn(struct mt7615_dev *dev, int val) { struct { - u16 tag; - u16 min_lpn; + __le16 tag; + __le16 min_lpn; } req = { - .tag = 0x1, - .min_lpn = val, + .tag = cpu_to_le16(0x1), + .min_lpn = cpu_to_le16(val), }; return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, @@ -2733,14 +2733,27 @@ int mt7615_mcu_set_pulse_th(struct mt7615_dev *dev, const struct mt7615_dfs_pulse *pulse) { struct { - u16 tag; - struct mt7615_dfs_pulse pulse; + __le16 tag; + __le32 max_width; /* us */ + __le32 max_pwr; /* dbm */ + __le32 min_pwr; /* dbm */ + __le32 min_stgr_pri; /* us */ + __le32 max_stgr_pri; /* us */ + __le32 min_cr_pri; /* us */ + __le32 max_cr_pri; /* us */ } req = { - .tag = 0x3, + .tag = cpu_to_le16(0x3), +#define __req_field(field) .field = cpu_to_le32(pulse->field) + __req_field(max_width), + __req_field(max_pwr), + __req_field(min_pwr), + __req_field(min_stgr_pri), + __req_field(max_stgr_pri), + __req_field(min_cr_pri), + __req_field(max_cr_pri), +#undef __req_field }; - memcpy(&req.pulse, pulse, sizeof(*pulse)); - return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, &req, sizeof(req), true); } @@ -2749,16 +2762,45 @@ int mt7615_mcu_set_radar_th(struct mt7615_dev *dev, int index, const struct mt7615_dfs_pattern *pattern) { struct { - u16 tag; - u16 radar_type; - struct mt7615_dfs_pattern pattern; + __le16 tag; + __le16 radar_type; + u8 enb; + u8 stgr; + u8 min_crpn; + u8 max_crpn; + u8 min_crpr; + u8 min_pw; + u8 max_pw; + __le32 min_pri; + __le32 max_pri; + u8 min_crbn; + u8 max_crbn; + u8 min_stgpn; + u8 max_stgpn; + u8 min_stgpr; } req = { - .tag = 0x2, - .radar_type = index, + .tag = cpu_to_le16(0x2), + .radar_type = cpu_to_le16(index), +#define __req_field_u8(field) .field = pattern->field +#define __req_field_u32(field) .field = cpu_to_le32(pattern->field) + __req_field_u8(enb), + __req_field_u8(stgr), + __req_field_u8(min_crpn), + __req_field_u8(max_crpn), + __req_field_u8(min_crpr), + __req_field_u8(min_pw), + __req_field_u8(max_pw), + __req_field_u32(min_pri), + __req_field_u32(max_pri), + __req_field_u8(min_crbn), + __req_field_u8(max_crbn), + __req_field_u8(min_stgpn), + __req_field_u8(max_stgpn), + __req_field_u8(min_stgpr), +#undef __req_field_u8 +#undef __req_field_u32 }; - memcpy(&req.pattern, pattern, sizeof(*pattern)); - return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, &req, sizeof(req), true); } @@ -2769,9 +2811,9 @@ int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev) u8 pulse_num; u8 rsv[3]; struct { - u32 start_time; - u16 width; - s16 power; + __le32 start_time; + __le16 width; + __le16 power; } pattern[32]; } req = { .pulse_num = dev->radar_pattern.n_pulses, @@ -2784,10 +2826,11 @@ int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev) /* TODO: add some noise here */ for (i = 0; i < dev->radar_pattern.n_pulses; i++) { - req.pattern[i].width = dev->radar_pattern.width; - req.pattern[i].power = dev->radar_pattern.power; - req.pattern[i].start_time = start_time + - i * dev->radar_pattern.period; + u32 ts = start_time + i * dev->radar_pattern.period; + + req.pattern[i].width = cpu_to_le16(dev->radar_pattern.width); + req.pattern[i].power = cpu_to_le16(dev->radar_pattern.power); + req.pattern[i].start_time = cpu_to_le32(ts); } return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_PATTERN, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index a3ccc17856615..ea71409751519 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2835,7 +2835,7 @@ int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level) struct { u8 ver; u8 pad; - u16 len; + __le16 len; u8 level; u8 rsv[3]; __le32 module_idx; @@ -3070,12 +3070,12 @@ int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val) { struct { - u32 tag; - u16 min_lpn; + __le32 tag; + __le16 min_lpn; u8 rsv[2]; } __packed req = { - .tag = 0x1, - .min_lpn = val, + .tag = cpu_to_le32(0x1), + .min_lpn = cpu_to_le16(val), }; return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, @@ -3086,14 +3086,29 @@ int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev, const struct mt7915_dfs_pulse *pulse) { struct { - u32 tag; - struct mt7915_dfs_pulse pulse; + __le32 tag; + + __le32 max_width; /* us */ + __le32 max_pwr; /* dbm */ + __le32 min_pwr; /* dbm */ + __le32 min_stgr_pri; /* us */ + __le32 max_stgr_pri; /* us */ + __le32 min_cr_pri; /* us */ + __le32 max_cr_pri; /* us */ } __packed req = { - .tag = 0x3, + .tag = cpu_to_le32(0x3), + +#define __req_field(field) .field = cpu_to_le32(pulse->field) + __req_field(max_width), + __req_field(max_pwr), + __req_field(min_pwr), + __req_field(min_stgr_pri), + __req_field(max_stgr_pri), + __req_field(min_cr_pri), + __req_field(max_cr_pri), +#undef __req_field }; - memcpy(&req.pulse, pulse, sizeof(*pulse)); - return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, &req, sizeof(req), true); } @@ -3102,16 +3117,50 @@ int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index, const struct mt7915_dfs_pattern *pattern) { struct { - u32 tag; - u16 radar_type; - struct mt7915_dfs_pattern pattern; + __le32 tag; + __le16 radar_type; + + u8 enb; + u8 stgr; + u8 min_crpn; + u8 max_crpn; + u8 min_crpr; + u8 min_pw; + u32 min_pri; + u32 max_pri; + u8 max_pw; + u8 min_crbn; + u8 max_crbn; + u8 min_stgpn; + u8 max_stgpn; + u8 min_stgpr; + u8 rsv[2]; + u32 min_stgpr_diff; } __packed req = { - .tag = 0x2, - .radar_type = index, + .tag = cpu_to_le32(0x2), + .radar_type = cpu_to_le16(index), + +#define __req_field_u8(field) .field = pattern->field +#define __req_field_u32(field) .field = cpu_to_le32(pattern->field) + __req_field_u8(enb), + __req_field_u8(stgr), + __req_field_u8(min_crpn), + __req_field_u8(max_crpn), + __req_field_u8(min_crpr), + __req_field_u8(min_pw), + __req_field_u32(min_pri), + __req_field_u32(max_pri), + __req_field_u8(max_pw), + __req_field_u8(min_crbn), + __req_field_u8(max_crbn), + __req_field_u8(min_stgpn), + __req_field_u8(max_stgpn), + __req_field_u8(min_stgpr), + __req_field_u32(min_stgpr_diff), +#undef __req_field_u8 +#undef __req_field_u32 }; - memcpy(&req.pattern, pattern, sizeof(*pattern)); - return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH, &req, sizeof(req), true); } @@ -3342,12 +3391,12 @@ int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif, u8 drop_tx_idx; u8 sta_idx; /* 256 sta */ u8 rsv[2]; - u32 val; + __le32 val; } __packed req = { .action = MT_SPR_ENABLE, .arg_num = 1, .band_idx = mvif->band_idx, - .val = enable, + .val = cpu_to_le32(enable), }; return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SPR, diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index bc3421d145768..423667b837510 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1342,13 +1342,11 @@ int xenvif_tx_action(struct xenvif_queue *queue, int budget) return 0; gnttab_batch_copy(queue->tx_copy_ops, nr_cops); - if (nr_mops != 0) { + if (nr_mops != 0) ret = gnttab_map_refs(queue->tx_map_ops, NULL, queue->pages_to_map, nr_mops); - BUG_ON(ret); - } work_done = xenvif_tx_submit(queue); diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index ff87cb51747d8..21cd5ac6ca8b5 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -963,11 +963,14 @@ static inline ssize_t do_tty_write( if (ret <= 0) break; + written += ret; + if (ret > size) + break; + /* FIXME! Have Al check this! */ if (ret != size) iov_iter_revert(from, size-ret); - written += ret; count -= ret; if (!count) break; diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 6a90fdb9cbfc6..f2ad450db5478 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -42,6 +42,8 @@ static char *macaddr; module_param(macaddr, charp, 0); MODULE_PARM_DESC(macaddr, "Ethernet MAC address"); +u8 macaddr_buf[ETH_ALEN]; + struct vdpasim_virtqueue { struct vringh vring; struct vringh_kiov iov; @@ -67,14 +69,24 @@ static u64 vdpasim_features = (1ULL << VIRTIO_F_ANY_LAYOUT) | (1ULL << VIRTIO_F_ACCESS_PLATFORM) | (1ULL << VIRTIO_NET_F_MAC); +struct vdpasim; + +struct vdpasim_dev_attr { + size_t config_size; + int nvqs; + void (*get_config)(struct vdpasim *vdpasim, void *config); +}; + /* State of each vdpasim device */ struct vdpasim { struct vdpa_device vdpa; - struct vdpasim_virtqueue vqs[VDPASIM_VQ_NUM]; + struct vdpasim_virtqueue *vqs; struct work_struct work; + struct vdpasim_dev_attr dev_attr; /* spinlock to synchronize virtqueue state */ spinlock_t lock; - struct virtio_net_config config; + /* virtio config according to device type */ + void *config; struct vhost_iotlb *iommu; void *buffer; u32 status; @@ -144,7 +156,7 @@ static void vdpasim_reset(struct vdpasim *vdpasim) { int i; - for (i = 0; i < VDPASIM_VQ_NUM; i++) + for (i = 0; i < vdpasim->dev_attr.nvqs; i++) vdpasim_vq_reset(&vdpasim->vqs[i]); spin_lock(&vdpasim->iommu_lock); @@ -345,22 +357,24 @@ static const struct dma_map_ops vdpasim_dma_ops = { static const struct vdpa_config_ops vdpasim_net_config_ops; static const struct vdpa_config_ops vdpasim_net_batch_config_ops; -static struct vdpasim *vdpasim_create(void) +static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) { const struct vdpa_config_ops *ops; struct vdpasim *vdpasim; struct device *dev; - int ret = -ENOMEM; + int i, ret = -ENOMEM; if (batch_mapping) ops = &vdpasim_net_batch_config_ops; else ops = &vdpasim_net_config_ops; - vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, VDPASIM_VQ_NUM); + vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, + dev_attr->nvqs); if (!vdpasim) goto err_alloc; + vdpasim->dev_attr = *dev_attr; INIT_WORK(&vdpasim->work, vdpasim_work); spin_lock_init(&vdpasim->lock); spin_lock_init(&vdpasim->iommu_lock); @@ -371,6 +385,15 @@ static struct vdpasim *vdpasim_create(void) goto err_iommu; set_dma_ops(dev, &vdpasim_dma_ops); + vdpasim->config = kzalloc(dev_attr->config_size, GFP_KERNEL); + if (!vdpasim->config) + goto err_iommu; + + vdpasim->vqs = kcalloc(dev_attr->nvqs, sizeof(struct vdpasim_virtqueue), + GFP_KERNEL); + if (!vdpasim->vqs) + goto err_iommu; + vdpasim->iommu = vhost_iotlb_alloc(2048, 0); if (!vdpasim->iommu) goto err_iommu; @@ -380,17 +403,17 @@ static struct vdpasim *vdpasim_create(void) goto err_iommu; if (macaddr) { - mac_pton(macaddr, vdpasim->config.mac); - if (!is_valid_ether_addr(vdpasim->config.mac)) { + mac_pton(macaddr, macaddr_buf); + if (!is_valid_ether_addr(macaddr_buf)) { ret = -EADDRNOTAVAIL; goto err_iommu; } } else { - eth_random_addr(vdpasim->config.mac); + eth_random_addr(macaddr_buf); } - vringh_set_iotlb(&vdpasim->vqs[0].vring, vdpasim->iommu); - vringh_set_iotlb(&vdpasim->vqs[1].vring, vdpasim->iommu); + for (i = 0; i < dev_attr->nvqs; i++) + vringh_set_iotlb(&vdpasim->vqs[i].vring, vdpasim->iommu); vdpasim->vdpa.dma_dev = dev; ret = vdpa_register_device(&vdpasim->vdpa); @@ -504,7 +527,6 @@ static u64 vdpasim_get_features(struct vdpa_device *vdpa) static int vdpasim_set_features(struct vdpa_device *vdpa, u64 features) { struct vdpasim *vdpasim = vdpa_to_sim(vdpa); - struct virtio_net_config *config = &vdpasim->config; /* DMA mapping must be done by driver */ if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) @@ -512,14 +534,6 @@ static int vdpasim_set_features(struct vdpa_device *vdpa, u64 features) vdpasim->features = features & vdpasim_features; - /* We generally only know whether guest is using the legacy interface - * here, so generally that's the earliest we can set config fields. - * Note: We actually require VIRTIO_F_ACCESS_PLATFORM above which - * implies VIRTIO_F_VERSION_1, but let's not try to be clever here. - */ - - config->mtu = cpu_to_vdpasim16(vdpasim, 1500); - config->status = cpu_to_vdpasim16(vdpasim, VIRTIO_NET_S_LINK_UP); return 0; } @@ -572,8 +586,13 @@ static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset, { struct vdpasim *vdpasim = vdpa_to_sim(vdpa); - if (offset + len < sizeof(struct virtio_net_config)) - memcpy(buf, (u8 *)&vdpasim->config + offset, len); + if (offset + len > vdpasim->dev_attr.config_size) + return; + + if (vdpasim->dev_attr.get_config) + vdpasim->dev_attr.get_config(vdpasim, vdpasim->config); + + memcpy(buf, vdpasim->config + offset, len); } static void vdpasim_set_config(struct vdpa_device *vdpa, unsigned int offset, @@ -659,6 +678,8 @@ static void vdpasim_free(struct vdpa_device *vdpa) kfree(vdpasim->buffer); if (vdpasim->iommu) vhost_iotlb_free(vdpasim->iommu); + kfree(vdpasim->vqs); + kfree(vdpasim->config); } static const struct vdpa_config_ops vdpasim_net_config_ops = { @@ -714,9 +735,25 @@ static const struct vdpa_config_ops vdpasim_net_batch_config_ops = { .free = vdpasim_free, }; +static void vdpasim_net_get_config(struct vdpasim *vdpasim, void *config) +{ + struct virtio_net_config *net_config = + (struct virtio_net_config *)config; + + net_config->mtu = cpu_to_vdpasim16(vdpasim, 1500); + net_config->status = cpu_to_vdpasim16(vdpasim, VIRTIO_NET_S_LINK_UP); + memcpy(net_config->mac, macaddr_buf, ETH_ALEN); +} + static int __init vdpasim_dev_init(void) { - vdpasim_dev = vdpasim_create(); + struct vdpasim_dev_attr dev_attr = {}; + + dev_attr.nvqs = VDPASIM_VQ_NUM; + dev_attr.config_size = sizeof(struct virtio_net_config); + dev_attr.get_config = vdpasim_net_get_config; + + vdpasim_dev = vdpasim_create(&dev_attr); if (!IS_ERR(vdpasim_dev)) return 0; diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index a36b71286bcf8..5447c5156b2e6 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -309,44 +309,47 @@ int gntdev_map_grant_pages(struct gntdev_grant_map *map) * to the kernel linear addresses of the struct pages. * These ptes are completely different from the user ptes dealt * with find_grant_ptes. + * Note that GNTMAP_device_map isn't needed here: The + * dev_bus_addr output field gets consumed only from ->map_ops, + * and by not requesting it when mapping we also avoid needing + * to mirror dev_bus_addr into ->unmap_ops (and holding an extra + * reference to the page in the hypervisor). */ + unsigned int flags = (map->flags & ~GNTMAP_device_map) | + GNTMAP_host_map; + for (i = 0; i < map->count; i++) { unsigned long address = (unsigned long) pfn_to_kaddr(page_to_pfn(map->pages[i])); BUG_ON(PageHighMem(map->pages[i])); - gnttab_set_map_op(&map->kmap_ops[i], address, - map->flags | GNTMAP_host_map, + gnttab_set_map_op(&map->kmap_ops[i], address, flags, map->grants[i].ref, map->grants[i].domid); gnttab_set_unmap_op(&map->kunmap_ops[i], address, - map->flags | GNTMAP_host_map, -1); + flags, -1); } } pr_debug("map %d+%d\n", map->index, map->count); err = gnttab_map_refs(map->map_ops, use_ptemod ? map->kmap_ops : NULL, map->pages, map->count); - if (err) - return err; for (i = 0; i < map->count; i++) { - if (map->map_ops[i].status) { + if (map->map_ops[i].status == GNTST_okay) + map->unmap_ops[i].handle = map->map_ops[i].handle; + else if (!err) err = -EINVAL; - continue; - } - map->unmap_ops[i].handle = map->map_ops[i].handle; - if (use_ptemod) - map->kunmap_ops[i].handle = map->kmap_ops[i].handle; -#ifdef CONFIG_XEN_GRANT_DMA_ALLOC - else if (map->dma_vaddr) { - unsigned long bfn; + if (map->flags & GNTMAP_device_map) + map->unmap_ops[i].dev_bus_addr = map->map_ops[i].dev_bus_addr; - bfn = pfn_to_bfn(page_to_pfn(map->pages[i])); - map->unmap_ops[i].dev_bus_addr = __pfn_to_phys(bfn); + if (use_ptemod) { + if (map->kmap_ops[i].status == GNTST_okay) + map->kunmap_ops[i].handle = map->kmap_ops[i].handle; + else if (!err) + err = -EINVAL; } -#endif } return err; } diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 862162dca33cf..9cd4fe8ce6803 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -386,12 +386,12 @@ static int scsiback_gnttab_data_map_batch(struct gnttab_map_grant_ref *map, return 0; err = gnttab_map_refs(map, NULL, pg, cnt); - BUG_ON(err); for (i = 0; i < cnt; i++) { if (unlikely(map[i].status != GNTST_okay)) { pr_err("invalid buffer -- could not remap it\n"); map[i].handle = SCSIBACK_INVALID_HANDLE; - err = -ENOMEM; + if (!err) + err = -ENOMEM; } else { get_page(pg[i]); } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 30ea9780725ff..b6884eda9ff67 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -146,9 +146,6 @@ enum { BTRFS_FS_STATE_DEV_REPLACING, /* The btrfs_fs_info created for self-tests */ BTRFS_FS_STATE_DUMMY_FS_INFO, - - /* Indicate that we can't trust the free space tree for caching yet */ - BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, }; #define BTRFS_BACKREF_REV_MAX 256 @@ -562,6 +559,9 @@ enum { /* Indicate that the discard workqueue can service discards. */ BTRFS_FS_DISCARD_RUNNING, + + /* Indicate that we can't trust the free space tree for caching yet */ + BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, }; /* diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index acc47e2ffb46b..b536d21541a9f 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8026,8 +8026,12 @@ ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) bool relock = false; ssize_t ret; - if (check_direct_IO(fs_info, iter, offset)) + if (check_direct_IO(fs_info, iter, offset)) { + ASSERT(current->journal_info == NULL || + current->journal_info == BTRFS_DIO_SYNC_STUB); + current->journal_info = NULL; return 0; + } count = iov_iter_count(iter); if (iov_iter_rw(iter) == WRITE) { diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h index b9c937b3a1499..0b1182a3cf412 100644 --- a/include/xen/grant_table.h +++ b/include/xen/grant_table.h @@ -157,6 +157,7 @@ gnttab_set_map_op(struct gnttab_map_grant_ref *map, phys_addr_t addr, map->flags = flags; map->ref = ref; map->dom = domid; + map->status = 1; /* arbitrary positive value */ } static inline void diff --git a/net/bridge/br.c b/net/bridge/br.c index 401eeb9142eb6..1b169f8e74919 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -43,7 +43,10 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v if (event == NETDEV_REGISTER) { /* register of bridge completed, add sysfs entries */ - br_sysfs_addbr(dev); + err = br_sysfs_addbr(dev); + if (err) + return notifier_from_errno(err); + return NOTIFY_DONE; } } diff --git a/net/core/dev.c b/net/core/dev.c index da85cb9398693..210d0fce58e17 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3867,6 +3867,7 @@ sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev) return skb; /* qdisc_skb_cb(skb)->pkt_len was already set by the caller. */ + qdisc_skb_cb(skb)->mru = 0; mini_qdisc_bstats_cpu_update(miniq, skb); switch (tcf_classify(skb, miniq->filter_list, &cl_res, false)) { @@ -4950,6 +4951,7 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, } qdisc_skb_cb(skb)->pkt_len = skb->len; + qdisc_skb_cb(skb)->mru = 0; skb->tc_at_ingress = 1; mini_qdisc_bstats_cpu_update(miniq, skb); diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 967ce9ccfc0da..f56b2e331bb6b 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1648,8 +1648,11 @@ static struct sock *mptcp_subflow_get_retrans(const struct mptcp_sock *msk) continue; /* still data outstanding at TCP level? Don't retransmit. */ - if (!tcp_write_queue_empty(ssk)) + if (!tcp_write_queue_empty(ssk)) { + if (inet_csk(ssk)->icsk_ca_state >= TCP_CA_Loss) + continue; return NULL; + } if (subflow->backup) { if (!backup) diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index c3a664871cb5a..e8902a7e60f24 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -959,16 +959,13 @@ static int dec_ttl_exception_handler(struct datapath *dp, struct sk_buff *skb, struct sw_flow_key *key, const struct nlattr *attr, bool last) { - /* The first action is always 'OVS_DEC_TTL_ATTR_ARG'. */ - struct nlattr *dec_ttl_arg = nla_data(attr); + /* The first attribute is always 'OVS_DEC_TTL_ATTR_ACTION'. */ + struct nlattr *actions = nla_data(attr); - if (nla_len(dec_ttl_arg)) { - struct nlattr *actions = nla_data(dec_ttl_arg); + if (nla_len(actions)) + return clone_execute(dp, skb, key, 0, nla_data(actions), + nla_len(actions), last, false); - if (actions) - return clone_execute(dp, skb, key, 0, nla_data(actions), - nla_len(actions), last, false); - } consume_skb(skb); return 0; } @@ -1212,7 +1209,7 @@ static int execute_dec_ttl(struct sk_buff *skb, struct sw_flow_key *key) return -EHOSTUNREACH; key->ip.ttl = --nh->hop_limit; - } else { + } else if (skb->protocol == htons(ETH_P_IP)) { struct iphdr *nh; u8 old_ttl; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 7a18ffff85514..a0121e7c98b14 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4615,9 +4615,11 @@ static int __net_init packet_net_init(struct net *net) mutex_init(&net->packet.sklist_lock); INIT_HLIST_HEAD(&net->packet.sklist); +#ifdef CONFIG_PROC_FS if (!proc_create_net("packet", 0, net->proc_net, &packet_seq_ops, sizeof(struct seq_net_private))) return -ENOMEM; +#endif /* CONFIG_PROC_FS */ return 0; } diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 957aa9263ba4c..d7134c558993c 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -347,7 +347,7 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb, hdr->src_port_id = cpu_to_le32(from->sq_port); if (to->sq_port == QRTR_PORT_CTRL) { hdr->dst_node_id = cpu_to_le32(node->nid); - hdr->dst_port_id = cpu_to_le32(QRTR_NODE_BCAST); + hdr->dst_port_id = cpu_to_le32(QRTR_PORT_CTRL); } else { hdr->dst_node_id = cpu_to_le32(to->sq_node); hdr->dst_port_id = cpu_to_le32(to->sq_port); diff --git a/net/sched/Kconfig b/net/sched/Kconfig index a3b37d88800eb..d762e89ab74f7 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -813,7 +813,7 @@ config NET_ACT_SAMPLE config NET_ACT_IPT tristate "IPtables targets" - depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES + depends on NET_CLS_ACT && NETFILTER && NETFILTER_XTABLES help Say Y here to be able to invoke iptables targets after successful classification. @@ -912,7 +912,7 @@ config NET_ACT_BPF config NET_ACT_CONNMARK tristate "Netfilter Connection Mark Retriever" - depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES + depends on NET_CLS_ACT && NETFILTER depends on NF_CONNTRACK && NF_CONNTRACK_MARK help Say Y here to allow retrieving of conn mark @@ -924,7 +924,7 @@ config NET_ACT_CONNMARK config NET_ACT_CTINFO tristate "Netfilter Connection Mark Actions" - depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES + depends on NET_CLS_ACT && NETFILTER depends on NF_CONNTRACK && NF_CONNTRACK_MARK help Say Y here to allow transfer of a connmark stored information. diff --git a/net/tls/tls_proc.c b/net/tls/tls_proc.c index 3a5dd1e072332..feeceb0e4cb48 100644 --- a/net/tls/tls_proc.c +++ b/net/tls/tls_proc.c @@ -37,9 +37,12 @@ static int tls_statistics_seq_show(struct seq_file *seq, void *v) int __net_init tls_proc_init(struct net *net) { +#ifdef CONFIG_PROC_FS if (!proc_create_net_single("tls_stat", 0444, net->proc_net, tls_statistics_seq_show, NULL)) return -ENOMEM; +#endif /* CONFIG_PROC_FS */ + return 0; }