diff options
Diffstat (limited to 'drivers')
69 files changed, 570 insertions, 284 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 3a10d7573477..d53162997f32 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1428,6 +1428,37 @@ static void acpi_init_coherency(struct acpi_device *adev) adev->flags.coherent_dma = cca; } +static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) +{ + bool *is_spi_i2c_slave_p = data; + + if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) + return 1; + + /* + * devices that are connected to UART still need to be enumerated to + * platform bus + */ + if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) + *is_spi_i2c_slave_p = true; + + /* no need to do more checking */ + return -1; +} + +static bool acpi_is_spi_i2c_slave(struct acpi_device *device) +{ + struct list_head resource_list; + bool is_spi_i2c_slave = false; + + INIT_LIST_HEAD(&resource_list); + acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, + &is_spi_i2c_slave); + acpi_dev_free_resource_list(&resource_list); + + return is_spi_i2c_slave; +} + void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta) { @@ -1443,6 +1474,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, acpi_bus_get_flags(device); device->flags.match_driver = false; device->flags.initialized = true; + device->flags.spi_i2c_slave = acpi_is_spi_i2c_slave(device); acpi_device_clear_enumerated(device); device_initialize(&device->dev); dev_set_uevent_suppress(&device->dev, true); @@ -1727,38 +1759,13 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used, return AE_OK; } -static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) -{ - bool *is_spi_i2c_slave_p = data; - - if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) - return 1; - - /* - * devices that are connected to UART still need to be enumerated to - * platform bus - */ - if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) - *is_spi_i2c_slave_p = true; - - /* no need to do more checking */ - return -1; -} - static void acpi_default_enumeration(struct acpi_device *device) { - struct list_head resource_list; - bool is_spi_i2c_slave = false; - /* * Do not enumerate SPI/I2C slaves as they will be enumerated by their * respective parents. */ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, - &is_spi_i2c_slave); - acpi_dev_free_resource_list(&resource_list); - if (!is_spi_i2c_slave) { + if (!device->flags.spi_i2c_slave) { acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { @@ -1854,7 +1861,7 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (ret > 0) { + if (ret > 0 && !device->flags.spi_i2c_slave) { acpi_device_set_enumerated(device); goto ok; } @@ -1863,10 +1870,10 @@ static void acpi_bus_attach(struct acpi_device *device) if (ret < 0) return; - if (device->pnp.type.platform_id) - acpi_default_enumeration(device); - else + if (!device->pnp.type.platform_id && !device->flags.spi_i2c_slave) acpi_device_set_enumerated(device); + else + acpi_default_enumeration(device); ok: list_for_each_entry(child, &device->children, node) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 726c32e35db9..0e824091a12f 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -609,8 +609,6 @@ int xen_blkif_schedule(void *arg) unsigned long timeout; int ret; - xen_blkif_get(blkif); - set_freezable(); while (!kthread_should_stop()) { if (try_to_freeze()) @@ -665,7 +663,6 @@ purge_gnt_list: print_stats(ring); ring->xenblkd = NULL; - xen_blkif_put(blkif); return 0; } @@ -1436,34 +1433,35 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, static void make_response(struct xen_blkif_ring *ring, u64 id, unsigned short op, int st) { - struct blkif_response resp; + struct blkif_response *resp; unsigned long flags; union blkif_back_rings *blk_rings; int notify; - resp.id = id; - resp.operation = op; - resp.status = st; - spin_lock_irqsave(&ring->blk_ring_lock, flags); blk_rings = &ring->blk_rings; /* Place on the response ring for the relevant domain. */ switch (ring->blkif->blk_protocol) { case BLKIF_PROTOCOL_NATIVE: - memcpy(RING_GET_RESPONSE(&blk_rings->native, blk_rings->native.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->native, + blk_rings->native.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_32: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_32, blk_rings->x86_32.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_32, + blk_rings->x86_32.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_64: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_64, blk_rings->x86_64.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_64, + blk_rings->x86_64.rsp_prod_pvt); break; default: BUG(); } + + resp->id = id; + resp->operation = op; + resp->status = st; + blk_rings->common.rsp_prod_pvt++; RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&blk_rings->common, notify); spin_unlock_irqrestore(&ring->blk_ring_lock, flags); diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index dea61f6ab8cb..ecb35fe8ca8d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -75,9 +75,8 @@ extern unsigned int xenblk_max_queues; struct blkif_common_request { char dummy; }; -struct blkif_common_response { - char dummy; -}; + +/* i386 protocol version */ struct blkif_x86_32_request_rw { uint8_t nr_segments; /* number of segments */ @@ -129,14 +128,6 @@ struct blkif_x86_32_request { } u; } __attribute__((__packed__)); -/* i386 protocol version */ -#pragma pack(push, 4) -struct blkif_x86_32_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; -#pragma pack(pop) /* x86_64 protocol version */ struct blkif_x86_64_request_rw { @@ -193,18 +184,12 @@ struct blkif_x86_64_request { } u; } __attribute__((__packed__)); -struct blkif_x86_64_response { - uint64_t __attribute__((__aligned__(8))) id; - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; - DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, - struct blkif_common_response); + struct blkif_response); DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, - struct blkif_x86_32_response); + struct blkif_response __packed); DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, - struct blkif_x86_64_response); + struct blkif_response); union blkif_back_rings { struct blkif_back_ring native; @@ -281,6 +266,7 @@ struct xen_blkif_ring { wait_queue_head_t wq; atomic_t inflight; + bool active; /* One thread per blkif ring. */ struct task_struct *xenblkd; unsigned int waiting_reqs; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 1f3dfaa54d87..792da683e70d 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -159,7 +159,7 @@ static int xen_blkif_alloc_rings(struct xen_blkif *blkif) init_waitqueue_head(&ring->shutdown_wq); ring->blkif = blkif; ring->st_print = jiffies; - xen_blkif_get(blkif); + ring->active = true; } return 0; @@ -249,10 +249,12 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) struct xen_blkif_ring *ring = &blkif->rings[r]; unsigned int i = 0; + if (!ring->active) + continue; + if (ring->xenblkd) { kthread_stop(ring->xenblkd); wake_up(&ring->shutdown_wq); - ring->xenblkd = NULL; } /* The above kthread_stop() guarantees that at this point we @@ -296,7 +298,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) BUG_ON(ring->free_pages_num != 0); BUG_ON(ring->persistent_gnt_c != 0); WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages)); - xen_blkif_put(blkif); + ring->active = false; } blkif->nr_ring_pages = 0; /* @@ -312,9 +314,10 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) static void xen_blkif_free(struct xen_blkif *blkif) { - - xen_blkif_disconnect(blkif); + WARN_ON(xen_blkif_disconnect(blkif)); xen_vbd_free(&blkif->vbd); + kfree(blkif->be->mode); + kfree(blkif->be); /* Make sure everything is drained before shutting down */ kmem_cache_free(xen_blkif_cachep, blkif); @@ -511,8 +514,6 @@ static int xen_blkbk_remove(struct xenbus_device *dev) xen_blkif_put(be->blkif); } - kfree(be->mode); - kfree(be); return 0; } diff --git a/drivers/char/random.c b/drivers/char/random.c index e870f329db88..01a260f67437 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -803,13 +803,13 @@ static int crng_fast_load(const char *cp, size_t len) p[crng_init_cnt % CHACHA20_KEY_SIZE] ^= *cp; cp++; crng_init_cnt++; len--; } + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) { invalidate_batched_entropy(); crng_init = 1; wake_up_interruptible(&crng_init_wait); pr_notice("random: fast init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); return 1; } @@ -841,6 +841,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) } memzero_explicit(&buf, sizeof(buf)); crng->init_time = jiffies; + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng == &primary_crng && crng_init < 2) { invalidate_batched_entropy(); crng_init = 2; @@ -848,7 +849,6 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) wake_up_interruptible(&crng_init_wait); pr_notice("random: crng init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); } static inline void crng_wait_ready(void) @@ -2041,8 +2041,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64); u64 get_random_u64(void) { u64 ret; - bool use_lock = crng_init < 2; - unsigned long flags; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; #if BITS_PER_LONG == 64 @@ -2073,8 +2073,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32); u32 get_random_u32(void) { u32 ret; - bool use_lock = crng_init < 2; - unsigned long flags; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; if (arch_get_random_int(&ret)) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 4bed671e490e..8b5c30062d99 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1209,9 +1209,9 @@ arch_timer_mem_frame_get_cntfrq(struct arch_timer_mem_frame *frame) return 0; } - rate = readl_relaxed(frame + CNTFRQ); + rate = readl_relaxed(base + CNTFRQ); - iounmap(frame); + iounmap(base); return rate; } diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c index 44e5e951583b..8e64b8460f11 100644 --- a/drivers/clocksource/cadence_ttc_timer.c +++ b/drivers/clocksource/cadence_ttc_timer.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/slab.h> diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c index 2e9c830ae1cd..c4656c4d44a6 100644 --- a/drivers/clocksource/timer-sun5i.c +++ b/drivers/clocksource/timer-sun5i.c @@ -12,6 +12,7 @@ #include <linux/clk.h> #include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 5104b6398139..c83ea68be792 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -721,7 +721,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, u32 set; if (!of_device_is_compatible(mvchip->chip.of_node, - "marvell,armada-370-xp-gpio")) + "marvell,armada-370-gpio")) return 0; if (IS_ERR(mvchip->clk)) @@ -852,7 +852,7 @@ static const struct of_device_id mvebu_gpio_of_match[] = { .data = (void *) MVEBU_GPIO_SOC_VARIANT_ARMADAXP, }, { - .compatible = "marvell,armada-370-xp-gpio", + .compatible = "marvell,armada-370-gpio", .data = (void *) MVEBU_GPIO_SOC_VARIANT_ORION, }, { @@ -1128,7 +1128,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip); } - /* Armada 370/XP has simple PWM support for GPIO lines */ + /* Some MVEBU SoCs have simple PWM support for GPIO lines */ if (IS_ENABLED(CONFIG_PWM)) return mvebu_pwm_probe(pdev, mvchip, id); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 1cf78f4dd339..1e8e1123ddf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -693,6 +693,10 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", adev->clock.default_dispclk / 100); adev->clock.default_dispclk = 60000; + } else if (adev->clock.default_dispclk <= 60000) { + DRM_INFO("Changing default dispclk from %dMhz to 625Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 62500; } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f2d705e6a75a..ab6b0d0febab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -449,6 +449,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, + {0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, /* Vega 10 */ {0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10|AMD_EXP_HW_SUPPORT}, diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c index 8c9bc75a9c2d..8a0818b23ea4 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c @@ -165,7 +165,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); @@ -178,7 +178,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) void amdgpu_atombios_crtc_powergate_init(struct amdgpu_device *adev) { int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 9f847615ac74..48ca2457df8c 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1229,21 +1229,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (!connector) return -ENOENT; - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - encoder = drm_connector_get_encoder(connector); - if (encoder) - out_resp->encoder_id = encoder->base.id; - else - out_resp->encoder_id = 0; - - ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, - (uint32_t __user *)(unsigned long)(out_resp->props_ptr), - (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), - &out_resp->count_props); - drm_modeset_unlock(&dev->mode_config.connection_mutex); - if (ret) - goto out_unref; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) if (connector->encoder_ids[i] != 0) encoders_count++; @@ -1256,7 +1241,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (put_user(connector->encoder_ids[i], encoder_ptr + copied)) { ret = -EFAULT; - goto out_unref; + goto out; } copied++; } @@ -1300,15 +1285,32 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (copy_to_user(mode_ptr + copied, &u_mode, sizeof(u_mode))) { ret = -EFAULT; + mutex_unlock(&dev->mode_config.mutex); + goto out; } copied++; } } out_resp->count_modes = mode_count; -out: mutex_unlock(&dev->mode_config.mutex); -out_unref: + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + encoder = drm_connector_get_encoder(connector); + if (encoder) + out_resp->encoder_id = encoder->base.id; + else + out_resp->encoder_id = 0; + + /* Only grab properties after probing, to make sure EDID and other + * properties reflect the latest status. */ + ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, + (uint32_t __user *)(unsigned long)(out_resp->props_ptr), + (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), + &out_resp->count_props); + drm_modeset_unlock(&dev->mode_config.connection_mutex); + +out: drm_connector_put(connector); return ret; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h index c4a091e87426..e437fba1209d 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h @@ -106,9 +106,10 @@ struct etnaviv_gem_submit { struct etnaviv_gpu *gpu; struct ww_acquire_ctx ticket; struct dma_fence *fence; + u32 flags; unsigned int nr_bos; struct etnaviv_gem_submit_bo bos[0]; - u32 flags; + /* No new members here, the previous one is variable-length! */ }; int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index de80ee1b71df..1013765274da 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -172,7 +172,7 @@ static int submit_fence_sync(const struct etnaviv_gem_submit *submit) for (i = 0; i < submit->nr_bos; i++) { struct etnaviv_gem_object *etnaviv_obj = submit->bos[i].obj; bool write = submit->bos[i].flags & ETNA_SUBMIT_BO_WRITE; - bool explicit = !(submit->flags & ETNA_SUBMIT_NO_IMPLICIT); + bool explicit = !!(submit->flags & ETNA_SUBMIT_NO_IMPLICIT); ret = etnaviv_gpu_fence_sync_obj(etnaviv_obj, context, write, explicit); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index d689e511744e..4bd1467c17b1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -292,6 +292,8 @@ static int per_file_stats(int id, void *ptr, void *data) struct file_stats *stats = data; struct i915_vma *vma; + lockdep_assert_held(&obj->base.dev->struct_mutex); + stats->count++; stats->total += obj->base.size; if (!obj->bind_count) @@ -476,6 +478,8 @@ static int i915_gem_object_info(struct seq_file *m, void *data) struct drm_i915_gem_request *request; struct task_struct *task; + mutex_lock(&dev->struct_mutex); + memset(&stats, 0, sizeof(stats)); stats.file_priv = file->driver_priv; spin_lock(&file->table_lock); @@ -487,7 +491,6 @@ static int i915_gem_object_info(struct seq_file *m, void *data) * still alive (e.g. get_pid(current) => fork() => exit()). * Therefore, we need to protect this ->comm access using RCU. */ - mutex_lock(&dev->struct_mutex); request = list_first_entry_or_null(&file_priv->mm.request_list, struct drm_i915_gem_request, client_link); @@ -497,6 +500,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data) PIDTYPE_PID); print_file_stats(m, task ? task->comm : "<unknown>", stats); rcu_read_unlock(); + mutex_unlock(&dev->struct_mutex); } mutex_unlock(&dev->filelist_mutex); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 462031cbd77f..615f0a855222 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2285,8 +2285,8 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) struct page *page; unsigned long last_pfn = 0; /* suppress gcc warning */ unsigned int max_segment; + gfp_t noreclaim; int ret; - gfp_t gfp; /* Assert that the object is not currently in any GPU domain. As it * wasn't in the GTT, there shouldn't be any way it could have been in @@ -2315,22 +2315,31 @@ rebuild_st: * Fail silently without starting the shrinker */ mapping = obj->base.filp->f_mapping; - gfp = mapping_gfp_constraint(mapping, ~(__GFP_IO | __GFP_RECLAIM)); - gfp |= __GFP_NORETRY | __GFP_NOWARN; + noreclaim = mapping_gfp_constraint(mapping, + ~(__GFP_IO | __GFP_RECLAIM)); + noreclaim |= __GFP_NORETRY | __GFP_NOWARN; + sg = st->sgl; st->nents = 0; for (i = 0; i < page_count; i++) { - page = shmem_read_mapping_page_gfp(mapping, i, gfp); - if (unlikely(IS_ERR(page))) { - i915_gem_shrink(dev_priv, - page_count, - I915_SHRINK_BOUND | - I915_SHRINK_UNBOUND | - I915_SHRINK_PURGEABLE); + const unsigned int shrink[] = { + I915_SHRINK_BOUND | I915_SHRINK_UNBOUND | I915_SHRINK_PURGEABLE, + 0, + }, *s = shrink; + gfp_t gfp = noreclaim; + + do { page = shmem_read_mapping_page_gfp(mapping, i, gfp); - } - if (unlikely(IS_ERR(page))) { - gfp_t reclaim; + if (likely(!IS_ERR(page))) + break; + + if (!*s) { + ret = PTR_ERR(page); + goto err_sg; + } + + i915_gem_shrink(dev_priv, 2 * page_count, *s++); + cond_resched(); /* We've tried hard to allocate the memory by reaping * our own buffer, now let the real VM do its job and @@ -2340,15 +2349,26 @@ rebuild_st: * defer the oom here by reporting the ENOMEM back * to userspace. */ - reclaim = mapping_gfp_mask(mapping); - reclaim |= __GFP_NORETRY; /* reclaim, but no oom */ - - page = shmem_read_mapping_page_gfp(mapping, i, reclaim); - if (IS_ERR(page)) { - ret = PTR_ERR(page); - goto err_sg; + if (!*s) { + /* reclaim and warn, but no oom */ + gfp = mapping_gfp_mask(mapping); + + /* Our bo are always dirty and so we require + * kswapd to reclaim our pages (direct reclaim + * does not effectively begin pageout of our + * buffers on its own). However, direct reclaim + * only waits for kswapd when under allocation + * congestion. So as a result __GFP_RECLAIM is + * unreliable and fails to actually reclaim our + * dirty pages -- unless you try over and over + * again with !__GFP_NORETRY. However, we still + * want to fail this allocation rather than + * trigger the out-of-memory killer and for + * this we want the future __GFP_MAYFAIL. + */ } - } + } while (1); + if (!i || sg->length >= max_segment || page_to_pfn(page) != last_pfn + 1) { @@ -4222,6 +4242,7 @@ i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size) mapping = obj->base.filp->f_mapping; mapping_set_gfp_mask(mapping, mask); + GEM_BUG_ON(!(mapping_gfp_mask(mapping) & __GFP_RECLAIM)); i915_gem_object_init(obj, &i915_gem_object_ops); diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index a3e59c8ef27b..9ad13eeed904 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -546,11 +546,12 @@ repeat: } static int -i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, +i915_gem_execbuffer_relocate_entry(struct i915_vma *vma, struct eb_vmas *eb, struct drm_i915_gem_relocation_entry *reloc, struct reloc_cache *cache) { + struct drm_i915_gem_object *obj = vma->obj; struct drm_i915_private *dev_priv = to_i915(obj->base.dev); struct drm_gem_object *target_obj; struct drm_i915_gem_object *target_i915_obj; @@ -628,6 +629,16 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, return -EINVAL; } + /* + * If we write into the object, we need to force the synchronisation + * barrier, either with an asynchronous clflush or if we executed the + * patching using the GPU (though that should be serialised by the + * timeline). To be completely sure, and since we are required to + * do relocations we are already stalling, disable the user's opt + * of our synchronisation. + */ + vma->exec_entry->flags &= ~EXEC_OBJECT_ASYNC; + ret = relocate_entry(obj, reloc, cache, target_offset); if (ret) return ret; @@ -678,7 +689,7 @@ i915_gem_execbuffer_relocate_vma(struct i915_vma *vma, do { u64 offset = r->presumed_offset; - ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r, &cache); + ret = i915_gem_execbuffer_relocate_entry(vma, eb, r, &cache); if (ret) goto out; @@ -726,7 +737,7 @@ i915_gem_execbuffer_relocate_vma_slow(struct i915_vma *vma, reloc_cache_init(&cache, eb->i915); for (i = 0; i < entry->relocation_count; i++) { - ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i], &cache); + ret = i915_gem_execbuffer_relocate_entry(vma, eb, &relocs[i], &cache); if (ret) break; } diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index 5ddbc9499775..a74d0ac737cb 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -623,7 +623,7 @@ i915_gem_request_alloc(struct intel_engine_cs *engine, * GPU processing the request, we never over-estimate the * position of the head. */ - req->head = req->ring->tail; + req->head = req->ring->emit; /* Check that we didn't interrupt ourselves with a new request */ GEM_BUG_ON(req->timeline->seqno != req->fence.seqno); diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 1642fff9cf13..ab5140ba108d 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -480,9 +480,7 @@ static void guc_wq_item_append(struct i915_guc_client *client, GEM_BUG_ON(freespace < wqi_size); /* The GuC firmware wants the tail index in QWords, not bytes */ - tail = rq->tail; - assert_ring_tail_valid(rq->ring, rq->tail); - tail >>= 3; + tail = intel_ring_set_tail(rq->ring, rq->tail) >> 3; GEM_BUG_ON(tail > WQ_RING_TAIL_MAX); /* For now workqueue item is 4 DWs; workqueue buffer is 2 pages. So we diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 1aba47024656..f066e2d785f5 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -650,6 +650,11 @@ int i915_vma_unbind(struct i915_vma *vma) break; } + if (!ret) { + ret = i915_gem_active_retire(&vma->last_fence, + &vma->vm->i915->drm.struct_mutex); + } + __i915_vma_unpin(vma); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 96b0b01677e2..9106ea32b048 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -120,7 +120,8 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc, static void skylake_pfit_enable(struct intel_crtc *crtc); static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force); static void ironlake_pfit_enable(struct intel_crtc *crtc); -static void intel_modeset_setup_hw_state(struct drm_device *dev); +static void intel_modeset_setup_hw_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc); struct intel_limit { @@ -3449,7 +3450,7 @@ __intel_display_resume(struct drm_device *dev, struct drm_crtc *crtc; int i, ret; - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, ctx); i915_redisable_vga(to_i915(dev)); if (!state) @@ -5825,7 +5826,8 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, intel_update_watermarks(intel_crtc); } -static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) +static void intel_crtc_disable_noatomic(struct drm_crtc *crtc, + struct drm_modeset_acquire_ctx *ctx) { struct intel_encoder *encoder; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -5855,7 +5857,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) return; } - state->acquire_ctx = crtc->dev->mode_config.acquire_ctx; + state->acquire_ctx = ctx; /* Everything's already locked, -EDEADLK can't happen. */ crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); @@ -15030,7 +15032,7 @@ int intel_modeset_init(struct drm_device *dev) intel_setup_outputs(dev_priv); drm_modeset_lock_all(dev); - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, dev->mode_config.acquire_ctx); drm_modeset_unlock_all(dev); for_each_intel_crtc(dev, crtc) { @@ -15067,13 +15069,13 @@ int intel_modeset_init(struct drm_device *dev) return 0; } -static void intel_enable_pipe_a(struct drm_device *dev) +static void intel_enable_pipe_a(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct intel_connector *connector; struct drm_connector_list_iter conn_iter; struct drm_connector *crt = NULL; struct intel_load_detect_pipe load_detect_temp; - struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; int ret; /* We can't just switch on the pipe A, we need to set things up with a @@ -15145,7 +15147,8 @@ static bool has_pch_trancoder(struct drm_i915_private *dev_priv, (HAS_PCH_LPT_H(dev_priv) && pch_transcoder == TRANSCODER_A); } -static void intel_sanitize_crtc(struct intel_crtc *crtc) +static void intel_sanitize_crtc(struct intel_crtc *crtc, + struct drm_modeset_acquire_ctx *ctx) { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); @@ -15191,7 +15194,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) plane = crtc->plane; crtc->base.primary->state->visible = true; crtc->plane = !plane; - intel_crtc_disable_noatomic(&crtc->base); + intel_crtc_disable_noatomic(&crtc->base, ctx); crtc->plane = plane; } @@ -15201,13 +15204,13 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * resume. Force-enable the pipe to fix this, the update_dpms * call below we restore the pipe to the right state, but leave * the required bits on. */ - intel_enable_pipe_a(dev); + intel_enable_pipe_a(dev, ctx); } /* Adjust the state of the output pipe according to whether we * have active connectors/encoders. */ if (crtc->active && !intel_crtc_has_encoders(crtc)) - intel_crtc_disable_noatomic(&crtc->base); + intel_crtc_disable_noatomic(&crtc->base, ctx); if (crtc->active || HAS_GMCH_DISPLAY(dev_priv)) { /* @@ -15505,7 +15508,8 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv) * and sanitizes it to the current state */ static void -intel_modeset_setup_hw_state(struct drm_device *dev) +intel_modeset_setup_hw_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct drm_i915_private *dev_priv = to_i915(dev); enum pipe pipe; @@ -15525,7 +15529,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev) for_each_pipe(dev_priv, pipe) { crtc = intel_get_crtc_for_pipe(dev_priv, pipe); - intel_sanitize_crtc(crtc); + intel_sanitize_crtc(crtc, ctx); intel_dump_pipe_config(crtc, crtc->config, "[setup_hw_state]"); } diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c index 6532e226db29..40ba3134545e 100644 --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c @@ -119,8 +119,6 @@ static int intel_dp_aux_setup_backlight(struct intel_connector *connector, struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base); struct intel_panel *panel = &connector->panel; - intel_dp_aux_enable_backlight(connector); - if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT) panel->backlight.max = 0xFFFF; else diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index dac4e003c1f3..62f44d3e7c43 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -326,8 +326,7 @@ static u64 execlists_update_context(struct drm_i915_gem_request *rq) rq->ctx->ppgtt ?: rq->i915->mm.aliasing_ppgtt; u32 *reg_state = ce->lrc_reg_state; - assert_ring_tail_valid(rq->ring, rq->tail); - reg_state[CTX_RING_TAIL+1] = rq->tail; + reg_state[CTX_RING_TAIL+1] = intel_ring_set_tail(rq->ring, rq->tail); /* True 32b PPGTT with dynamic page allocation: update PDP * registers and point the unallocated PDPs to scratch page. @@ -2036,8 +2035,7 @@ void intel_lr_context_resume(struct drm_i915_private *dev_priv) ce->state->obj->mm.dirty = true; i915_gem_object_unpin_map(ce->state->obj); - ce->ring->head = ce->ring->tail = 0; - intel_ring_update_space(ce->ring); + intel_ring_reset(ce->ring, 0); } } } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 66a2b8b83972..513a0f4b469b 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -49,7 +49,7 @@ static int __intel_ring_space(int head, int tail, int size) void intel_ring_update_space(struct intel_ring *ring) { - ring->space = __intel_ring_space(ring->head, ring->tail, ring->size); + ring->space = __intel_ring_space(ring->head, ring->emit, ring->size); } static int @@ -774,8 +774,8 @@ static void i9xx_submit_request(struct drm_i915_gem_request *request) i915_gem_request_submit(request); - assert_ring_tail_valid(request->ring, request->tail); - I915_WRITE_TAIL(request->engine, request->tail); + I915_WRITE_TAIL(request->engine, + intel_ring_set_tail(request->ring, request->tail)); } static void i9xx_emit_breadcrumb(struct drm_i915_gem_request *req, u32 *cs) @@ -1316,11 +1316,23 @@ err: return PTR_ERR(addr); } +void intel_ring_reset(struct intel_ring *ring, u32 tail) +{ + GEM_BUG_ON(!list_empty(&ring->request_list)); + ring->tail = tail; + ring->head = tail; + ring->emit = tail; + intel_ring_update_space(ring); +} + void intel_ring_unpin(struct intel_ring *ring) { GEM_BUG_ON(!ring->vma); GEM_BUG_ON(!ring->vaddr); + /* Discard any unused bytes beyond that submitted to hw. */ + intel_ring_reset(ring, ring->tail); + if (i915_vma_is_map_and_fenceable(ring->vma)) i915_vma_unpin_iomap(ring->vma); else @@ -1562,8 +1574,9 @@ void intel_legacy_submission_resume(struct drm_i915_private *dev_priv) struct intel_engine_cs *engine; enum intel_engine_id id; + /* Restart from the beginning of the rings for convenience */ for_each_engine(engine, dev_priv, id) - engine->buffer->head = engine->buffer->tail; + intel_ring_reset(engine->buffer, 0); } static int ring_request_alloc(struct drm_i915_gem_request *request) @@ -1616,7 +1629,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) unsigned space; /* Would completion of this request free enough space? */ - space = __intel_ring_space(target->postfix, ring->tail, + space = __intel_ring_space(target->postfix, ring->emit, ring->size); if (space >= bytes) break; @@ -1641,8 +1654,8 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) { struct intel_ring *ring = req->ring; - int remain_actual = ring->size - ring->tail; - int remain_usable = ring->effective_size - ring->tail; + int remain_actual = ring->size - ring->emit; + int remain_usable = ring->effective_size - ring->emit; int bytes = num_dwords * sizeof(u32); int total_bytes, wait_bytes; bool need_wrap = false; @@ -1678,17 +1691,17 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) if (unlikely(need_wrap)) { GEM_BUG_ON(remain_actual > ring->space); - GEM_BUG_ON(ring->tail + remain_actual > ring->size); + GEM_BUG_ON(ring->emit + remain_actual > ring->size); /* Fill the tail with MI_NOOP */ - memset(ring->vaddr + ring->tail, 0, remain_actual); - ring->tail = 0; + memset(ring->vaddr + ring->emit, 0, remain_actual); + ring->emit = 0; ring->space -= remain_actual; } - GEM_BUG_ON(ring->tail > ring->size - bytes); - cs = ring->vaddr + ring->tail; - ring->tail += bytes; + GEM_BUG_ON(ring->emit > ring->size - bytes); + cs = ring->vaddr + ring->emit; + ring->emit += bytes; ring->space -= bytes; GEM_BUG_ON(ring->space < 0); @@ -1699,7 +1712,7 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) int intel_ring_cacheline_align(struct drm_i915_gem_request *req) { int num_dwords = - (req->ring->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); + (req->ring->emit & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); u32 *cs; if (num_dwords == 0) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a82a0807f64d..f7144fe09613 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -145,6 +145,7 @@ struct intel_ring { u32 head; u32 tail; + u32 emit; int space; int size; @@ -488,6 +489,8 @@ intel_write_status_page(struct intel_engine_cs *engine, int reg, u32 value) struct intel_ring * intel_engine_create_ring(struct intel_engine_cs *engine, int size); int intel_ring_pin(struct intel_ring *ring, unsigned int offset_bias); +void intel_ring_reset(struct intel_ring *ring, u32 tail); +void intel_ring_update_space(struct intel_ring *ring); void intel_ring_unpin(struct intel_ring *ring); void intel_ring_free(struct intel_ring *ring); @@ -511,7 +514,7 @@ intel_ring_advance(struct drm_i915_gem_request *req, u32 *cs) * reserved for the command packet (i.e. the value passed to * intel_ring_begin()). */ - GEM_BUG_ON((req->ring->vaddr + req->ring->tail) != cs); + GEM_BUG_ON((req->ring->vaddr + req->ring->emit) != cs); } static inline u32 @@ -540,7 +543,19 @@ assert_ring_tail_valid(const struct intel_ring *ring, unsigned int tail) GEM_BUG_ON(tail >= ring->size); } -void intel_ring_update_space(struct intel_ring *ring); +static inline unsigned int +intel_ring_set_tail(struct intel_ring *ring, unsigned int tail) +{ + /* Whilst writes to the tail are strictly order, there is no + * serialisation between readers and the writers. The tail may be + * read by i915_gem_request_retire() just as it is being updated + * by execlists, as although the breadcrumb is complete, the context + * switch hasn't been seen. + */ + assert_ring_tail_valid(ring, tail); + ring->tail = tail; + return tail; +} void intel_engine_init_global_seqno(struct intel_engine_cs *engine, u32 seqno); diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 432480ff9d22..3178ba0c537c 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -3393,6 +3393,13 @@ void radeon_combios_asic_init(struct drm_device *dev) rdev->pdev->subsystem_vendor == 0x103c && rdev->pdev->subsystem_device == 0x280a) return; + /* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume + * - it hangs on resume inside the dynclk 1 table. + */ + if (rdev->family == CHIP_RS400 && + rdev->pdev->subsystem_vendor == 0x1179 && + rdev->pdev->subsystem_device == 0xff31) + return; /* DYN CLK 1 */ table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 6ecf42783d4b..0a6444d72000 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -136,6 +136,10 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = { * https://bugzilla.kernel.org/show_bug.cgi?id=51381 */ { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, + /* Asus K53TK laptop with AMD A6-3420M APU and Radeon 7670m GPU + * https://bugs.freedesktop.org/show_bug.cgi?id=101491 + */ + { PCI_VENDOR_ID_ATI, 0x6741, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, /* macbook pro 8.2 */ { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP }, { 0, 0, 0, 0, 0 }, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c index 13db8a2851ed..1f013d45c9e9 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c @@ -321,6 +321,7 @@ void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man) list_for_each_entry_safe(entry, next, &man->list, head) vmw_cmdbuf_res_free(man, entry); + drm_ht_remove(&man->resources); kfree(man); } diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 95ed17183e73..54a47b40546f 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -734,9 +734,9 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx, * the first read operation, otherwise the first read cost * one extra clock cycle. */ - temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); temp |= I2CR_MTX; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); } msgs->buf[msgs->len-1] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR); @@ -857,9 +857,9 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo * the first read operation, otherwise the first read cost * one extra clock cycle. */ - temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); temp |= I2CR_MTX; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); } } else if (i == (msgs->len - 2)) { dev_dbg(&i2c_imx->adapter.dev, diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index e37d37273182..f600f3a7a3c6 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -248,7 +248,8 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) if (!btns_desc) { dev_err(dev, "ACPI Button Descriptors not found\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* The first package describes the collection */ @@ -264,24 +265,31 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) } if (collection_uid == -1) { dev_err(dev, "Invalid Button Collection Descriptor\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* There are package.count - 1 buttons + 1 terminating empty entry */ button_info = devm_kcalloc(dev, btns_desc->package.count, sizeof(*button_info), GFP_KERNEL); - if (!button_info) - return ERR_PTR(-ENOMEM); + if (!button_info) { + button_info = ERR_PTR(-ENOMEM); + goto out; + } /* Parse the button descriptors */ for (i = 1, btn = 0; i < btns_desc->package.count; i++, btn++) { if (soc_button_parse_btn_desc(dev, &btns_desc->package.elements[i], collection_uid, - &button_info[btn])) - return ERR_PTR(-ENODEV); + &button_info[btn])) { + button_info = ERR_PTR(-ENODEV); + goto out; + } } +out: + kfree(buf.pointer); return button_info; } diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c index dea63e2db3e6..f5206e2c767e 100644 --- a/drivers/input/rmi4/rmi_f54.c +++ b/drivers/input/rmi4/rmi_f54.c @@ -31,9 +31,6 @@ #define F54_GET_REPORT 1 #define F54_FORCE_CAL 2 -/* Fixed sizes of reports */ -#define F54_QUERY_LEN 27 - /* F54 capabilities */ #define F54_CAP_BASELINE (1 << 2) #define F54_CAP_IMAGE8 (1 << 3) @@ -95,7 +92,6 @@ struct rmi_f54_reports { struct f54_data { struct rmi_function *fn; - u8 qry[F54_QUERY_LEN]; u8 num_rx_electrodes; u8 num_tx_electrodes; u8 capabilities; @@ -632,22 +628,23 @@ static int rmi_f54_detect(struct rmi_function *fn) { int error; struct f54_data *f54; + u8 buf[6]; f54 = dev_get_drvdata(&fn->dev); error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, - &f54->qry, sizeof(f54->qry)); + buf, sizeof(buf)); if (error) { dev_err(&fn->dev, "%s: Failed to query F54 properties\n", __func__); return error; } - f54->num_rx_electrodes = f54->qry[0]; - f54->num_tx_electrodes = f54->qry[1]; - f54->capabilities = f54->qry[2]; - f54->clock_rate = f54->qry[3] | (f54->qry[4] << 8); - f54->family = f54->qry[5]; + f54->num_rx_electrodes = buf[0]; + f54->num_tx_electrodes = buf[1]; + f54->capabilities = buf[2]; + f54->clock_rate = buf[3] | (buf[4] << 8); + f54->family = buf[5]; rmi_dbg(RMI_DEBUG_FN, &fn->dev, "F54 num_rx_electrodes: %d\n", f54->num_rx_electrodes); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 09720d950686..f932a83b4990 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -723,6 +723,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"), }, }, + { + /* Fujitsu UH554 laptop */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"), + }, + }, { } }; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index eb7fbe159963..929f8558bf1c 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -140,7 +140,7 @@ static inline void gic_map_to_vpe(unsigned int intr, unsigned int vpe) } #ifdef CONFIG_CLKSRC_MIPS_GIC -u64 gic_read_count(void) +u64 notrace gic_read_count(void) { unsigned int hi, hi2, lo; @@ -167,7 +167,7 @@ unsigned int gic_get_count_width(void) return bits; } -void gic_write_compare(u64 cnt) +void notrace gic_write_compare(u64 cnt) { if (mips_cm_is64) { gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE), cnt); @@ -179,7 +179,7 @@ void gic_write_compare(u64 cnt) } } -void gic_write_cpu_compare(u64 cnt, int cpu) +void notrace gic_write_cpu_compare(u64 cnt, int cpu) { unsigned long flags; diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 7910bfe50da4..93b181088168 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1105,10 +1105,13 @@ static void schedule_autocommit(struct dm_integrity_c *ic) static void submit_flush_bio(struct dm_integrity_c *ic, struct dm_integrity_io *dio) { struct bio *bio; - spin_lock_irq(&ic->endio_wait.lock); + unsigned long flags; + + spin_lock_irqsave(&ic->endio_wait.lock, flags); bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io)); bio_list_add(&ic->flush_bio_list, bio); - spin_unlock_irq(&ic->endio_wait.lock); + spin_unlock_irqrestore(&ic->endio_wait.lock, flags); + queue_work(ic->commit_wq, &ic->commit_work); } @@ -3040,6 +3043,11 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->error = "The device is too small"; goto bad; } + if (ti->len > ic->provided_data_sectors) { + r = -EINVAL; + ti->error = "Not enough provided sectors for requested mapping size"; + goto bad; + } if (!buffer_sectors) buffer_sectors = 1; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 3702e502466d..8d5ca30f6551 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -317,8 +317,8 @@ static void do_region(int op, int op_flags, unsigned region, else if (op == REQ_OP_WRITE_SAME) special_cmd_max_sectors = q->limits.max_write_same_sectors; if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES || - op == REQ_OP_WRITE_SAME) && - special_cmd_max_sectors == 0) { + op == REQ_OP_WRITE_SAME) && special_cmd_max_sectors == 0) { + atomic_inc(&io->count); dec_count(io, region, -EOPNOTSUPP); return; } diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 7d893228c40f..b4b75dad816a 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1927,7 +1927,7 @@ struct dm_raid_superblock { /******************************************************************** * BELOW FOLLOW V1.9.0 EXTENSIONS TO THE PRISTINE SUPERBLOCK FORMAT!!! * - * FEATURE_FLAG_SUPPORTS_V190 in the features member indicates that those exist + * FEATURE_FLAG_SUPPORTS_V190 in the compat_features member indicates that those exist */ __le32 flags; /* Flags defining array states for reshaping */ @@ -2092,6 +2092,11 @@ static void super_sync(struct mddev *mddev, struct md_rdev *rdev) sb->layout = cpu_to_le32(mddev->layout); sb->stripe_sectors = cpu_to_le32(mddev->chunk_sectors); + /******************************************************************** + * BELOW FOLLOW V1.9.0 EXTENSIONS TO THE PRISTINE SUPERBLOCK FORMAT!!! + * + * FEATURE_FLAG_SUPPORTS_V190 in the compat_features member indicates that those exist + */ sb->new_level = cpu_to_le32(mddev->new_level); sb->new_layout = cpu_to_le32(mddev->new_layout); sb->new_stripe_sectors = cpu_to_le32(mddev->new_chunk_sectors); @@ -2438,8 +2443,14 @@ static int super_validate(struct raid_set *rs, struct md_rdev *rdev) mddev->bitmap_info.default_offset = mddev->bitmap_info.offset; if (!test_and_clear_bit(FirstUse, &rdev->flags)) { - /* Retrieve device size stored in superblock to be prepared for shrink */ - rdev->sectors = le64_to_cpu(sb->sectors); + /* + * Retrieve rdev size stored in superblock to be prepared for shrink. + * Check extended superblock members are present otherwise the size + * will not be set! + */ + if (le32_to_cpu(sb->compat_features) & FEATURE_FLAG_SUPPORTS_V190) + rdev->sectors = le64_to_cpu(sb->sectors); + rdev->recovery_offset = le64_to_cpu(sb->disk_recovery_offset); if (rdev->recovery_offset == MaxSector) set_bit(In_sync, &rdev->flags); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index e61c45047c25..4da8858856fb 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -145,6 +145,7 @@ static void dispatch_bios(void *context, struct bio_list *bio_list) struct dm_raid1_bio_record { struct mirror *m; + /* if details->bi_bdev == NULL, details were not saved */ struct dm_bio_details details; region_t write_region; }; @@ -1198,6 +1199,8 @@ static int mirror_map(struct dm_target *ti, struct bio *bio) struct dm_raid1_bio_record *bio_record = dm_per_bio_data(bio, sizeof(struct dm_raid1_bio_record)); + bio_record->details.bi_bdev = NULL; + if (rw == WRITE) { /* Save region for mirror_end_io() handler */ bio_record->write_region = dm_rh_bio_to_region(ms->rh, bio); @@ -1256,12 +1259,22 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) } if (error == -EOPNOTSUPP) - return error; + goto out; if ((error == -EWOULDBLOCK) && (bio->bi_opf & REQ_RAHEAD)) - return error; + goto out; if (unlikely(error)) { + if (!bio_record->details.bi_bdev) { + /* + * There wasn't enough memory to record necessary + * information for a retry or there was no other + * mirror in-sync. + */ + DMERR_LIMIT("Mirror read failed."); + return -EIO; + } + m = bio_record->m; DMERR("Mirror read failed from %s. Trying alternative device.", @@ -1277,6 +1290,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) bd = &bio_record->details; dm_bio_restore(bd, bio); + bio_record->details.bi_bdev = NULL; bio->bi_error = 0; queue_bio(ms, bio, rw); @@ -1285,6 +1299,9 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) DMERR("All replicated volumes dead, failing I/O"); } +out: + bio_record->details.bi_bdev = NULL; + return error; } diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 17ad50daed08..28808e5ec0fd 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1094,6 +1094,19 @@ static void process_prepared_discard_passdown_pt1(struct dm_thin_new_mapping *m) return; } + /* + * Increment the unmapped blocks. This prevents a race between the + * passdown io and reallocation of freed blocks. + */ + r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end); + if (r) { + metadata_operation_failed(pool, "dm_pool_inc_data_range", r); + bio_io_error(m->bio); + cell_defer_no_holder(tc, m->cell); + mempool_free(m, pool->mapping_pool); + return; + } + discard_parent = bio_alloc(GFP_NOIO, 1); if (!discard_parent) { DMWARN("%s: unable to allocate top level discard bio for passdown. Skipping passdown.", @@ -1114,19 +1127,6 @@ static void process_prepared_discard_passdown_pt1(struct dm_thin_new_mapping *m) end_discard(&op, r); } } - - /* - * Increment the unmapped blocks. This prevents a race between the - * passdown io and reallocation of freed blocks. - */ - r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end); - if (r) { - metadata_operation_failed(pool, "dm_pool_inc_data_range", r); - bio_io_error(m->bio); - cell_defer_no_holder(tc, m->cell); - mempool_free(m, pool->mapping_pool); - return; - } } static void process_prepared_discard_passdown_pt2(struct dm_thin_new_mapping *m) diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 75488e65cd96..8d46e3ad9529 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -245,8 +245,7 @@ static int arizona_poll_reg(struct arizona *arizona, int ret; ret = regmap_read_poll_timeout(arizona->regmap, - ARIZONA_INTERRUPT_RAW_STATUS_5, val, - ((val & mask) == target), + reg, val, ((val & mask) == target), ARIZONA_REG_POLL_DELAY_US, timeout_ms * 1000); if (ret) diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index d87f4da29f11..fcfccbb3d9a2 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -809,6 +809,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) struct net_device *dev = dev_id; struct arcnet_local *lp; int recbuf, status, diagstatus, didsomething, boguscount; + unsigned long flags; int retval = IRQ_NONE; arc_printk(D_DURING, dev, "\n"); @@ -818,7 +819,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) lp = netdev_priv(dev); BUG_ON(!lp); - spin_lock(&lp->lock); + spin_lock_irqsave(&lp->lock, flags); /* RESET flag was enabled - if device is not running, we must * clear it right away (but nothing else). @@ -827,7 +828,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) if (lp->hw.status(dev) & RESETflag) lp->hw.command(dev, CFLAGScmd | RESETclear); lp->hw.intmask(dev, 0); - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); return retval; } @@ -1052,7 +1053,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) udelay(1); lp->hw.intmask(dev, lp->intmask); - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); return retval; } EXPORT_SYMBOL(arcnet_interrupt); diff --git a/drivers/net/arcnet/capmode.c b/drivers/net/arcnet/capmode.c index a80f4eb9262d..b780be6f41ff 100644 --- a/drivers/net/arcnet/capmode.c +++ b/drivers/net/arcnet/capmode.c @@ -212,7 +212,7 @@ static int ack_tx(struct net_device *dev, int acked) ackpkt->soft.cap.proto = 0; /* using protocol 0 for acknowledge */ ackpkt->soft.cap.mes.ack = acked; - arc_printk(D_PROTO, dev, "Ackknowledge for cap packet %x.\n", + arc_printk(D_PROTO, dev, "Acknowledge for cap packet %x.\n", *((int *)&ackpkt->soft.cap.cookie[0])); ackskb->protocol = cpu_to_be16(ETH_P_ARCNET); diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index 24deb88a37f0..2d956cb59d06 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -156,6 +156,7 @@ static int com20020pci_probe(struct pci_dev *pdev, for (i = 0; i < ci->devcount; i++) { struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i]; struct com20020_dev *card; + int dev_id_mask = 0xf; dev = alloc_arcdev(device); if (!dev) { @@ -187,6 +188,7 @@ static int com20020pci_probe(struct pci_dev *pdev, arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND); arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT); + SET_NETDEV_DEV(dev, &pdev->dev); dev->base_addr = ioaddr; dev->dev_addr[0] = node; dev->sysfs_groups[0] = &com20020_state_group; @@ -206,8 +208,8 @@ static int com20020pci_probe(struct pci_dev *pdev, /* Get the dev_id from the PLX rotary coder */ if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) - dev->dev_id = 0xc; - dev->dev_id ^= inb(priv->misc + ci->rotary) >> 4; + dev_id_mask = 0x3; + dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask; snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i); diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c index 13d9ad4b3f5c..78043a9c5981 100644 --- a/drivers/net/arcnet/com20020.c +++ b/drivers/net/arcnet/com20020.c @@ -246,8 +246,6 @@ int com20020_found(struct net_device *dev, int shared) return -ENODEV; } - dev->base_addr = ioaddr; - arc_printk(D_NORMAL, dev, "%s: station %02Xh found at %03lXh, IRQ %d.\n", lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 14c236e5bdb1..c12b4d3e946e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12729,7 +12729,7 @@ static int bnx2x_set_mc_list(struct bnx2x *bp) } else { /* If no mc addresses are required, flush the configuration */ rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL); - if (rc) + if (rc < 0) BNX2X_ERR("Failed to clear multicast configuration %d\n", rc); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 11e8a866a312..a19f68f5862d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1311,10 +1311,11 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, cp_cons = NEXT_CMP(cp_cons); } - if (unlikely(agg_bufs > MAX_SKB_FRAGS)) { + if (unlikely(agg_bufs > MAX_SKB_FRAGS || TPA_END_ERRORS(tpa_end1))) { bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs); - netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n", - agg_bufs, (int)MAX_SKB_FRAGS); + if (agg_bufs > MAX_SKB_FRAGS) + netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n", + agg_bufs, (int)MAX_SKB_FRAGS); return NULL; } @@ -1573,6 +1574,45 @@ next_rx_no_prod: return rc; } +/* In netpoll mode, if we are using a combined completion ring, we need to + * discard the rx packets and recycle the buffers. + */ +static int bnxt_force_rx_discard(struct bnxt *bp, struct bnxt_napi *bnapi, + u32 *raw_cons, u8 *event) +{ + struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; + u32 tmp_raw_cons = *raw_cons; + struct rx_cmp_ext *rxcmp1; + struct rx_cmp *rxcmp; + u16 cp_cons; + u8 cmp_type; + + cp_cons = RING_CMP(tmp_raw_cons); + rxcmp = (struct rx_cmp *) + &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; + + tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons); + cp_cons = RING_CMP(tmp_raw_cons); + rxcmp1 = (struct rx_cmp_ext *) + &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; + + if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons)) + return -EBUSY; + + cmp_type = RX_CMP_TYPE(rxcmp); + if (cmp_type == CMP_TYPE_RX_L2_CMP) { + rxcmp1->rx_cmp_cfa_code_errors_v2 |= + cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR); + } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) { + struct rx_tpa_end_cmp_ext *tpa_end1; + + tpa_end1 = (struct rx_tpa_end_cmp_ext *)rxcmp1; + tpa_end1->rx_tpa_end_cmp_errors_v2 |= + cpu_to_le32(RX_TPA_END_CMP_ERRORS); + } + return bnxt_rx_pkt(bp, bnapi, raw_cons, event); +} + #define BNXT_GET_EVENT_PORT(data) \ ((data) & \ ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK) @@ -1755,7 +1795,11 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) if (unlikely(tx_pkts > bp->tx_wake_thresh)) rx_pkts = budget; } else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) { - rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event); + if (likely(budget)) + rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event); + else + rc = bnxt_force_rx_discard(bp, bnapi, &raw_cons, + &event); if (likely(rc >= 0)) rx_pkts += rc; else if (rc == -EBUSY) /* partial completion */ @@ -6730,12 +6774,11 @@ static void bnxt_poll_controller(struct net_device *dev) struct bnxt *bp = netdev_priv(dev); int i; - for (i = 0; i < bp->cp_nr_rings; i++) { - struct bnxt_irq *irq = &bp->irq_tbl[i]; + /* Only process tx rings/combined rings in netpoll mode. */ + for (i = 0; i < bp->tx_nr_rings; i++) { + struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; - disable_irq(irq->vector); - irq->handler(irq->vector, bp->bnapi[i]); - enable_irq(irq->vector); + napi_schedule(&txr->bnapi->napi); } } #endif diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 5984423499e6..f872a7db2ca8 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -374,12 +374,16 @@ struct rx_tpa_end_cmp_ext { __le32 rx_tpa_end_cmp_errors_v2; #define RX_TPA_END_CMP_V2 (0x1 << 0) - #define RX_TPA_END_CMP_ERRORS (0x7fff << 1) + #define RX_TPA_END_CMP_ERRORS (0x3 << 1) #define RX_TPA_END_CMPL_ERRORS_SHIFT 1 u32 rx_tpa_end_cmp_start_opaque; }; +#define TPA_END_ERRORS(rx_tpa_end_ext) \ + ((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 & \ + cpu_to_le32(RX_TPA_END_CMP_ERRORS)) + #define DB_IDX_MASK 0xffffff #define DB_IDX_VALID (0x1 << 26) #define DB_IRQ_DIS (0x1 << 27) diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig index dc0850b3b517..8870a9a798ca 100644 --- a/drivers/net/ethernet/freescale/fman/Kconfig +++ b/drivers/net/ethernet/freescale/fman/Kconfig @@ -2,6 +2,7 @@ config FSL_FMAN tristate "FMan support" depends on FSL_SOC || ARCH_LAYERSCAPE || COMPILE_TEST select GENERIC_ALLOCATOR + depends on HAS_DMA select PHYLIB default n help diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 700cc8c6aa5b..192cb93e7669 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -3301,6 +3301,9 @@ static int mlxsw_sp_inetaddr_vlan_event(struct net_device *vlan_dev, struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); u16 vid = vlan_dev_vlan_id(vlan_dev); + if (netif_is_bridge_port(vlan_dev)) + return 0; + if (mlxsw_sp_port_dev_check(real_dev)) return mlxsw_sp_inetaddr_port_vlan_event(vlan_dev, real_dev, event, vid); diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c index bd0e3f157e9e..600e30e8f0be 100644 --- a/drivers/net/ethernet/rocker/rocker_ofdpa.c +++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c @@ -1409,8 +1409,8 @@ static int ofdpa_port_ipv4_nh(struct ofdpa_port *ofdpa_port, *index = entry->index; resolved = false; } else if (removing) { - ofdpa_neigh_del(found); *index = found->index; + ofdpa_neigh_del(found); } else if (updating) { ofdpa_neigh_update(found, NULL, false); resolved = !is_zero_ether_addr(found->eth_dst); diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index ad9c4ded2b90..761c518b2f92 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -4172,7 +4172,7 @@ found: * recipients */ if (is_mc_recip) { - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); unsigned int depth, i; memset(inbuf, 0, sizeof(inbuf)); @@ -4320,7 +4320,7 @@ static int efx_ef10_filter_remove_internal(struct efx_nic *efx, efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); } else { efx_mcdi_display_error(efx, MC_CMD_FILTER_OP, - MC_CMD_FILTER_OP_IN_LEN, + MC_CMD_FILTER_OP_EXT_IN_LEN, NULL, 0, rc); } } @@ -4453,7 +4453,7 @@ static s32 efx_ef10_filter_rfs_insert(struct efx_nic *efx, struct efx_filter_spec *spec) { struct efx_ef10_filter_table *table = efx->filter_state; - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); struct efx_filter_spec *saved_spec; unsigned int hash, i, depth = 1; bool replacing = false; @@ -4940,7 +4940,7 @@ not_restored: static void efx_ef10_filter_table_remove(struct efx_nic *efx) { struct efx_ef10_filter_table *table = efx->filter_state; - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); struct efx_filter_spec *spec; unsigned int filter_idx; int rc; @@ -5105,6 +5105,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, /* Insert/renew filters */ for (i = 0; i < addr_count; i++) { + EFX_WARN_ON_PARANOID(ids[i] != EFX_EF10_FILTER_ID_INVALID); efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); efx_filter_set_eth_local(&spec, vlan->vid, addr_list[i].addr); rc = efx_ef10_filter_insert(efx, &spec, true); @@ -5122,11 +5123,11 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, } return rc; } else { - /* mark as not inserted, and carry on */ - rc = EFX_EF10_FILTER_ID_INVALID; + /* keep invalid ID, and carry on */ } + } else { + ids[i] = efx_ef10_filter_get_unsafe_id(rc); } - ids[i] = efx_ef10_filter_get_unsafe_id(rc); } if (multicast && rollback) { diff --git a/drivers/net/ethernet/ti/cpsw-common.c b/drivers/net/ethernet/ti/cpsw-common.c index 1562ab4151e1..56ba411421f0 100644 --- a/drivers/net/ethernet/ti/cpsw-common.c +++ b/drivers/net/ethernet/ti/cpsw-common.c @@ -90,7 +90,7 @@ int ti_cm_get_macid(struct device *dev, int slave, u8 *mac_addr) if (of_device_is_compatible(dev->of_node, "ti,dm816-emac")) return cpsw_am33xx_cm_get_macid(dev, 0x30, slave, mac_addr); - if (of_machine_is_compatible("ti,am4372")) + if (of_machine_is_compatible("ti,am43")) return cpsw_am33xx_cm_get_macid(dev, 0x630, slave, mac_addr); if (of_machine_is_compatible("ti,dra7")) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 991372150463..63c98bbbc596 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -752,7 +752,7 @@ static int netvsc_set_channels(struct net_device *net, channels->rx_count || channels->tx_count || channels->other_count) return -EINVAL; - if (count > net->num_tx_queues || count > net->num_rx_queues) + if (count > net->num_tx_queues || count > VRSS_CHANNEL_MAX) return -EINVAL; if (!nvdev || nvdev->destroy) @@ -1179,7 +1179,7 @@ static int netvsc_set_rxfh(struct net_device *dev, const u32 *indir, rndis_dev = ndev->extension; if (indir) { for (i = 0; i < ITAB_NUM; i++) - if (indir[i] >= dev->num_rx_queues) + if (indir[i] >= VRSS_CHANNEL_MAX) return -EINVAL; for (i = 0; i < ITAB_NUM; i++) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 9ffff0362a11..0f581ee74fe4 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -39,16 +39,20 @@ #define MACVLAN_HASH_SIZE (1<<MACVLAN_HASH_BITS) #define MACVLAN_BC_QUEUE_LEN 1000 +#define MACVLAN_F_PASSTHRU 1 +#define MACVLAN_F_ADDRCHANGE 2 + struct macvlan_port { struct net_device *dev; struct hlist_head vlan_hash[MACVLAN_HASH_SIZE]; struct list_head vlans; struct sk_buff_head bc_queue; struct work_struct bc_work; - bool passthru; + u32 flags; int count; struct hlist_head vlan_source_hash[MACVLAN_HASH_SIZE]; DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ); + unsigned char perm_addr[ETH_ALEN]; }; struct macvlan_source_entry { @@ -66,6 +70,31 @@ struct macvlan_skb_cb { static void macvlan_port_destroy(struct net_device *dev); +static inline bool macvlan_passthru(const struct macvlan_port *port) +{ + return port->flags & MACVLAN_F_PASSTHRU; +} + +static inline void macvlan_set_passthru(struct macvlan_port *port) +{ + port->flags |= MACVLAN_F_PASSTHRU; +} + +static inline bool macvlan_addr_change(const struct macvlan_port *port) +{ + return port->flags & MACVLAN_F_ADDRCHANGE; +} + +static inline void macvlan_set_addr_change(struct macvlan_port *port) +{ + port->flags |= MACVLAN_F_ADDRCHANGE; +} + +static inline void macvlan_clear_addr_change(struct macvlan_port *port) +{ + port->flags &= ~MACVLAN_F_ADDRCHANGE; +} + /* Hash Ethernet address */ static u32 macvlan_eth_hash(const unsigned char *addr) { @@ -181,11 +210,12 @@ static void macvlan_hash_change_addr(struct macvlan_dev *vlan, static bool macvlan_addr_busy(const struct macvlan_port *port, const unsigned char *addr) { - /* Test to see if the specified multicast address is + /* Test to see if the specified address is * currently in use by the underlying device or * another macvlan. */ - if (ether_addr_equal_64bits(port->dev->dev_addr, addr)) + if (!macvlan_passthru(port) && !macvlan_addr_change(port) && + ether_addr_equal_64bits(port->dev->dev_addr, addr)) return true; if (macvlan_hash_lookup(port, addr)) @@ -445,7 +475,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) } macvlan_forward_source(skb, port, eth->h_source); - if (port->passthru) + if (macvlan_passthru(port)) vlan = list_first_or_null_rcu(&port->vlans, struct macvlan_dev, list); else @@ -574,7 +604,7 @@ static int macvlan_open(struct net_device *dev) struct net_device *lowerdev = vlan->lowerdev; int err; - if (vlan->port->passthru) { + if (macvlan_passthru(vlan->port)) { if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) { err = dev_set_promiscuity(lowerdev, 1); if (err < 0) @@ -649,7 +679,7 @@ static int macvlan_stop(struct net_device *dev) dev_uc_unsync(lowerdev, dev); dev_mc_unsync(lowerdev, dev); - if (vlan->port->passthru) { + if (macvlan_passthru(vlan->port)) { if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) dev_set_promiscuity(lowerdev, -1); goto hash_del; @@ -672,6 +702,7 @@ static int macvlan_sync_address(struct net_device *dev, unsigned char *addr) { struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; + struct macvlan_port *port = vlan->port; int err; if (!(dev->flags & IFF_UP)) { @@ -682,7 +713,7 @@ static int macvlan_sync_address(struct net_device *dev, unsigned char *addr) if (macvlan_addr_busy(vlan->port, addr)) return -EBUSY; - if (!vlan->port->passthru) { + if (!macvlan_passthru(port)) { err = dev_uc_add(lowerdev, addr); if (err) return err; @@ -692,6 +723,15 @@ static int macvlan_sync_address(struct net_device *dev, unsigned char *addr) macvlan_hash_change_addr(vlan, addr); } + if (macvlan_passthru(port) && !macvlan_addr_change(port)) { + /* Since addr_change isn't set, we are here due to lower + * device change. Save the lower-dev address so we can + * restore it later. + */ + ether_addr_copy(vlan->port->perm_addr, + lowerdev->dev_addr); + } + macvlan_clear_addr_change(port); return 0; } @@ -703,8 +743,14 @@ static int macvlan_set_mac_address(struct net_device *dev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - if (vlan->mode == MACVLAN_MODE_PASSTHRU) + /* If the addresses are the same, this is a no-op */ + if (ether_addr_equal(dev->dev_addr, addr->sa_data)) + return 0; + + if (vlan->mode == MACVLAN_MODE_PASSTHRU) { + macvlan_set_addr_change(vlan->port); return dev_set_mac_address(vlan->lowerdev, addr); + } return macvlan_sync_address(dev, addr->sa_data); } @@ -926,7 +972,7 @@ static int macvlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], /* Support unicast filter only on passthru devices. * Multicast filter should be allowed on all devices. */ - if (!vlan->port->passthru && is_unicast_ether_addr(addr)) + if (!macvlan_passthru(vlan->port) && is_unicast_ether_addr(addr)) return -EOPNOTSUPP; if (flags & NLM_F_REPLACE) @@ -950,7 +996,7 @@ static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], /* Support unicast filter only on passthru devices. * Multicast filter should be allowed on all devices. */ - if (!vlan->port->passthru && is_unicast_ether_addr(addr)) + if (!macvlan_passthru(vlan->port) && is_unicast_ether_addr(addr)) return -EOPNOTSUPP; if (is_unicast_ether_addr(addr)) @@ -1118,8 +1164,8 @@ static int macvlan_port_create(struct net_device *dev) if (port == NULL) return -ENOMEM; - port->passthru = false; port->dev = dev; + ether_addr_copy(port->perm_addr, dev->dev_addr); INIT_LIST_HEAD(&port->vlans); for (i = 0; i < MACVLAN_HASH_SIZE; i++) INIT_HLIST_HEAD(&port->vlan_hash[i]); @@ -1159,6 +1205,18 @@ static void macvlan_port_destroy(struct net_device *dev) kfree_skb(skb); } + /* If the lower device address has been changed by passthru + * macvlan, put it back. + */ + if (macvlan_passthru(port) && + !ether_addr_equal(port->dev->dev_addr, port->perm_addr)) { + struct sockaddr sa; + + sa.sa_family = port->dev->type; + memcpy(&sa.sa_data, port->perm_addr, port->dev->addr_len); + dev_set_mac_address(port->dev, &sa); + } + kfree(port); } @@ -1325,7 +1383,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, port = macvlan_port_get_rtnl(lowerdev); /* Only 1 macvlan device can be created in passthru mode */ - if (port->passthru) { + if (macvlan_passthru(port)) { /* The macvlan port must be not created this time, * still goto destroy_macvlan_port for readability. */ @@ -1351,7 +1409,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, err = -EINVAL; goto destroy_macvlan_port; } - port->passthru = true; + macvlan_set_passthru(port); eth_hw_addr_inherit(dev, lowerdev); } @@ -1435,7 +1493,7 @@ static int macvlan_changelink(struct net_device *dev, if (data && data[IFLA_MACVLAN_FLAGS]) { __u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]); bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC; - if (vlan->port->passthru && promisc) { + if (macvlan_passthru(vlan->port) && promisc) { int err; if (flags & MACVLAN_FLAG_NOPROMISC) @@ -1598,7 +1656,7 @@ static int macvlan_device_event(struct notifier_block *unused, } break; case NETDEV_CHANGEADDR: - if (!port->passthru) + if (!macvlan_passthru(port)) return NOTIFY_DONE; vlan = list_first_entry_or_null(&port->vlans, diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index ed0d10f54f26..c3065236ffcc 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -908,7 +908,7 @@ static void decode_txts(struct dp83640_private *dp83640, if (overflow) { pr_debug("tx timestamp queue overflow, count %d\n", overflow); while (skb) { - skb_complete_tx_timestamp(skb, NULL); + kfree_skb(skb); skb = skb_dequeue(&dp83640->tx_queue); } return; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 9365b0792309..fdb43dd9b5cd 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -620,6 +620,8 @@ static int ksz9031_read_status(struct phy_device *phydev) if ((regval & 0xFF) == 0xFF) { phy_init_hw(phydev); phydev->link = 0; + if (phydev->drv->config_intr && phy_interrupt_is_valid(phydev)) + phydev->drv->config_intr(phydev); } return 0; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 793ce900dffa..f32261ecd215 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1725,6 +1725,18 @@ static const struct driver_info lenovo_info = { .tx_fixup = ax88179_tx_fixup, }; +static const struct driver_info belkin_info = { + .description = "Belkin USB Ethernet Adapter", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + static const struct usb_device_id products[] = { { /* ASIX AX88179 10/100/1000 */ @@ -1754,6 +1766,10 @@ static const struct usb_device_id products[] = { /* Lenovo OneLinkDock Gigabit LAN */ USB_DEVICE(0x17ef, 0x304b), .driver_info = (unsigned long)&lenovo_info, +}, { + /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */ + USB_DEVICE(0x050d, 0x0128), + .driver_info = (unsigned long)&belkin_info, }, { }, }; diff --git a/drivers/net/veth.c b/drivers/net/veth.c index b33553b1e19c..f5438d0978ca 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -385,7 +385,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, tbp = tb; } - if (tbp[IFLA_IFNAME]) { + if (ifmp && tbp[IFLA_IFNAME]) { nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ); name_assign_type = NET_NAME_USER; } else { @@ -404,7 +404,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, return PTR_ERR(peer); } - if (tbp[IFLA_ADDRESS] == NULL) + if (!ifmp || !tbp[IFLA_ADDRESS]) eth_hw_addr_random(peer); if (ifmp && (dev->ifindex != 0)) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 5c6388fb7dd1..2e69bcdc5b07 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1802,6 +1802,7 @@ static void virtnet_freeze_down(struct virtio_device *vdev) flush_work(&vi->config_work); netif_device_detach(vi->dev); + netif_tx_disable(vi->dev); cancel_delayed_work_sync(&vi->refill); if (netif_running(vi->dev)) { diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 530586be05b4..5b1d2e8402d9 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -199,6 +199,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ unsigned long remaining_credit; struct timer_list credit_timeout; u64 credit_window_start; + bool rate_limited; /* Statistics */ struct xenvif_stats stats; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 8397f6c92451..e322a862ddfe 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -106,7 +106,11 @@ static int xenvif_poll(struct napi_struct *napi, int budget) if (work_done < budget) { napi_complete_done(napi, work_done); - xenvif_napi_schedule_or_enable_events(queue); + /* If the queue is rate-limited, it shall be + * rescheduled in the timer callback. + */ + if (likely(!queue->rate_limited)) + xenvif_napi_schedule_or_enable_events(queue); } return work_done; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 602d408fa25e..5042ff8d449a 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -180,6 +180,7 @@ static void tx_add_credit(struct xenvif_queue *queue) max_credit = ULONG_MAX; /* wrapped: clamp to ULONG_MAX */ queue->remaining_credit = min(max_credit, max_burst); + queue->rate_limited = false; } void xenvif_tx_credit_callback(unsigned long data) @@ -686,8 +687,10 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size) msecs_to_jiffies(queue->credit_usec / 1000); /* Timer could already be pending in rare cases. */ - if (timer_pending(&queue->credit_timeout)) + if (timer_pending(&queue->credit_timeout)) { + queue->rate_limited = true; return true; + } /* Passed the point where we can replenish credit? */ if (time_after_eq64(now, next_credit)) { @@ -702,6 +705,7 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size) mod_timer(&queue->credit_timeout, next_credit); queue->credit_window_start = next_credit; + queue->rate_limited = true; return true; } diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 951042a375d6..40c7581caeb0 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1805,7 +1805,8 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) if (pci_is_enabled(pdev)) { u32 csts = readl(dev->bar + NVME_REG_CSTS); - if (dev->ctrl.state == NVME_CTRL_LIVE) + if (dev->ctrl.state == NVME_CTRL_LIVE || + dev->ctrl.state == NVME_CTRL_RESETTING) nvme_start_freeze(&dev->ctrl); dead = !!((csts & NVME_CSTS_CFS) || !(csts & NVME_CSTS_RDY) || pdev->error_state != pci_channel_io_normal); diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 2ee92aa90fe9..e937490d5d97 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -870,7 +870,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, QEDI_ERR(&qedi->dbg_ctx, "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x, task=%p\n", protoitt, cqe->itid, qedi_conn->iscsi_conn_id, task); - WARN_ON(1); } } diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index f46880315ba8..5f5a4ef2e529 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1499,11 +1499,9 @@ err_idx: void qedi_clear_task_idx(struct qedi_ctx *qedi, int idx) { - if (!test_and_clear_bit(idx, qedi->task_idx_map)) { + if (!test_and_clear_bit(idx, qedi->task_idx_map)) QEDI_ERR(&qedi->dbg_ctx, "FW task context, already cleared, tid=0x%x\n", idx); - WARN_ON(1); - } } void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt, diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 0d8f81591bed..3fdca2cdd8da 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1279,6 +1279,18 @@ iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr, */ if (dump_payload) goto after_immediate_data; + /* + * Check for underflow case where both EDTL and immediate data payload + * exceeds what is presented by CDB's TRANSFER LENGTH, and what has + * already been set in target_cmd_size_check() as se_cmd->data_length. + * + * For this special case, fail the command and dump the immediate data + * payload. + */ + if (cmd->first_burst_len > cmd->se_cmd.data_length) { + cmd->sense_reason = TCM_INVALID_CDB_FIELD; + goto after_immediate_data; + } immed_ret = iscsit_handle_immediate_data(cmd, hdr, cmd->first_burst_len); @@ -4423,8 +4435,11 @@ static void iscsit_logout_post_handler_closesession( * always sleep waiting for RX/TX thread shutdown to complete * within iscsit_close_connection(). */ - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4440,8 +4455,11 @@ static void iscsit_logout_post_handler_samecid( { int sleep = 1; - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 9ab7090f7c83..0912de7c0cf8 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -136,7 +136,7 @@ int init_se_kmem_caches(void); void release_se_kmem_caches(void); u32 scsi_get_new_index(scsi_index_t); void transport_subsystem_check_init(void); -void transport_cmd_finish_abort(struct se_cmd *, int); +int transport_cmd_finish_abort(struct se_cmd *, int); unsigned char *transport_dump_cmd_direction(struct se_cmd *); void transport_dump_dev_state(struct se_device *, char *, int *); void transport_dump_dev_info(struct se_device *, struct se_lun *, diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index dce1e1b47316..13f47bf4d16b 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -75,7 +75,7 @@ void core_tmr_release_req(struct se_tmr_req *tmr) kfree(tmr); } -static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) +static int core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) { unsigned long flags; bool remove = true, send_tas; @@ -91,7 +91,7 @@ static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) transport_send_task_abort(cmd); } - transport_cmd_finish_abort(cmd, remove); + return transport_cmd_finish_abort(cmd, remove); } static int target_check_cdb_and_preempt(struct list_head *list, @@ -184,8 +184,8 @@ void core_tmr_abort_task( cancel_work_sync(&se_cmd->work); transport_wait_for_tasks(se_cmd); - transport_cmd_finish_abort(se_cmd, true); - target_put_sess_cmd(se_cmd); + if (!transport_cmd_finish_abort(se_cmd, true)) + target_put_sess_cmd(se_cmd); printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for" " ref_tag: %llu\n", ref_tag); @@ -281,8 +281,8 @@ static void core_tmr_drain_tmr_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - transport_cmd_finish_abort(cmd, 1); - target_put_sess_cmd(cmd); + if (!transport_cmd_finish_abort(cmd, 1)) + target_put_sess_cmd(cmd); } } @@ -380,8 +380,8 @@ static void core_tmr_drain_state_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - core_tmr_handle_tas_abort(cmd, tas); - target_put_sess_cmd(cmd); + if (!core_tmr_handle_tas_abort(cmd, tas)) + target_put_sess_cmd(cmd); } } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 6025935036c9..f1b3a46bdcaf 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -651,9 +651,10 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd) percpu_ref_put(&lun->lun_ref); } -void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) +int transport_cmd_finish_abort(struct se_cmd *cmd, int remove) { bool ack_kref = (cmd->se_cmd_flags & SCF_ACK_KREF); + int ret = 0; if (cmd->se_cmd_flags & SCF_SE_LUN_CMD) transport_lun_remove_cmd(cmd); @@ -665,9 +666,11 @@ void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) cmd->se_tfo->aborted_task(cmd); if (transport_cmd_check_stop_to_fabric(cmd)) - return; + return 1; if (remove && ack_kref) - transport_put_cmd(cmd); + ret = transport_put_cmd(cmd); + + return ret; } static void target_complete_failure_work(struct work_struct *work) |