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This is the 5.4.96 stable release 

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Merge tag 'v5.4.96' into 5.4-2.3.x-imx

This is the 5.4.96 stable release

Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
This commit is contained in:
Andrey Zhizhikin 2021-02-07 22:05:04 +00:00
parent 3e30474a9f d4716ee875
commit a968d52b84
35 changed files with 347 additions and 133 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 95
SUBLEVEL = 96
EXTRAVERSION =
NAME = Kleptomaniac Octopus

10
arch/arm64/include/asm/memory.h
View File

@ -247,11 +247,11 @@ static inline const void *__tag_set(const void *addr, u8 tag)
/*
* The linear kernel range starts at the bottom of the virtual address
* space. Testing the top bit for the start of the region is a
* sufficient check and avoids having to worry about the tag.
* Check whether an arbitrary address is within the linear map, which
* lives in the [PAGE_OFFSET, PAGE_END) interval at the bottom of the
* kernel's TTBR1 address range.
*/
#define __is_lm_address(addr) (!(((u64)addr) & BIT(vabits_actual - 1)))
#define __is_lm_address(addr) (((u64)(addr) ^ PAGE_OFFSET) < (PAGE_END - PAGE_OFFSET))
#define __lm_to_phys(addr) (((addr) & ~PAGE_OFFSET) + PHYS_OFFSET)
#define __kimg_to_phys(addr) ((addr) - kimage_voffset)
@ -332,7 +332,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#endif /* !CONFIG_SPARSEMEM_VMEMMAP || CONFIG_DEBUG_VIRTUAL */
#define virt_addr_valid(addr) ({ \
__typeof__(addr) __addr = addr; \
__typeof__(addr) __addr = __tag_reset(addr); \
__is_lm_address(__addr) && pfn_valid(virt_to_pfn(__addr)); \
})

2
arch/arm64/mm/physaddr.c
View File

@ -9,7 +9,7 @@
phys_addr_t __virt_to_phys(unsigned long x)
{
WARN(!__is_lm_address(x),
WARN(!__is_lm_address(__tag_reset(x)),
"virt_to_phys used for non-linear address: %pK (%pS)\n",
(void *)x,
(void *)x);

4
arch/x86/include/asm/msr.h
View File

@ -88,7 +88,7 @@ static inline void do_trace_rdpmc(unsigned int msr, u64 val, int failed) {}
* think of extending them - you will be slapped with a stinking trout or a frozen
* shark will reach you, wherever you are! You've been warned.
*/
static inline unsigned long long notrace __rdmsr(unsigned int msr)
static __always_inline unsigned long long __rdmsr(unsigned int msr)
{
DECLARE_ARGS(val, low, high);
@ -100,7 +100,7 @@ static inline unsigned long long notrace __rdmsr(unsigned int msr)
return EAX_EDX_VAL(val, low, high);
}
static inline void notrace __wrmsr(unsigned int msr, u32 low, u32 high)
static __always_inline void __wrmsr(unsigned int msr, u32 low, u32 high)
{
asm volatile("1: wrmsr\n"
"2:\n"

11
block/blk-core.c
View File

@ -886,11 +886,14 @@ generic_make_request_checks(struct bio *bio)
}
/*
* For a REQ_NOWAIT based request, return -EOPNOTSUPP
* if queue is not a request based queue.
* Non-mq queues do not honor REQ_NOWAIT, so complete a bio
* with BLK_STS_AGAIN status in order to catch -EAGAIN and
* to give a chance to the caller to repeat request gracefully.
*/
if ((bio->bi_opf & REQ_NOWAIT) && !queue_is_mq(q))
goto not_supported;
if ((bio->bi_opf & REQ_NOWAIT) && !queue_is_mq(q)) {
status = BLK_STS_AGAIN;
goto end_io;
}
if (should_fail_bio(bio))
goto end_io;

55
drivers/acpi/thermal.c
View File

@ -174,6 +174,8 @@ struct acpi_thermal {
int tz_enabled;
int kelvin_offset;
struct work_struct thermal_check_work;
struct mutex thermal_check_lock;
refcount_t thermal_check_count;
};
/* --------------------------------------------------------------------------
@ -494,17 +496,6 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
return 0;
}
static void acpi_thermal_check(void *data)
{
struct acpi_thermal *tz = data;
if (!tz->tz_enabled)
return;
thermal_zone_device_update(tz->thermal_zone,
THERMAL_EVENT_UNSPECIFIED);
}
/* sys I/F for generic thermal sysfs support */
static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp)
@ -538,6 +529,8 @@ static int thermal_get_mode(struct thermal_zone_device *thermal,
return 0;
}
static void acpi_thermal_check_fn(struct work_struct *work);
static int thermal_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
@ -563,7 +556,7 @@ static int thermal_set_mode(struct thermal_zone_device *thermal,
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"%s kernel ACPI thermal control\n",
tz->tz_enabled ? "Enable" : "Disable"));
acpi_thermal_check(tz);
acpi_thermal_check_fn(&tz->thermal_check_work);
}
return 0;
}
@ -932,6 +925,12 @@ static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)
Driver Interface
-------------------------------------------------------------------------- */
static void acpi_queue_thermal_check(struct acpi_thermal *tz)
{
if (!work_pending(&tz->thermal_check_work))
queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);
}
static void acpi_thermal_notify(struct acpi_device *device, u32 event)
{
struct acpi_thermal *tz = acpi_driver_data(device);
@ -942,17 +941,17 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event)
switch (event) {
case ACPI_THERMAL_NOTIFY_TEMPERATURE:
acpi_thermal_check(tz);
acpi_queue_thermal_check(tz);
break;
case ACPI_THERMAL_NOTIFY_THRESHOLDS:
acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);
acpi_thermal_check(tz);
acpi_queue_thermal_check(tz);
acpi_bus_generate_netlink_event(device->pnp.device_class,
dev_name(&device->dev), event, 0);
break;
case ACPI_THERMAL_NOTIFY_DEVICES:
acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);
acpi_thermal_check(tz);
acpi_queue_thermal_check(tz);
acpi_bus_generate_netlink_event(device->pnp.device_class,
dev_name(&device->dev), event, 0);
break;
@ -1052,7 +1051,27 @@ static void acpi_thermal_check_fn(struct work_struct *work)
{
struct acpi_thermal *tz = container_of(work, struct acpi_thermal,
thermal_check_work);
acpi_thermal_check(tz);
if (!tz->tz_enabled)
return;
/*
* In general, it is not sufficient to check the pending bit, because
* subsequent instances of this function may be queued after one of them
* has started running (e.g. if _TMP sleeps). Avoid bailing out if just
* one of them is running, though, because it may have done the actual
* check some time ago, so allow at least one of them to block on the
* mutex while another one is running the update.
*/
if (!refcount_dec_not_one(&tz->thermal_check_count))
return;
mutex_lock(&tz->thermal_check_lock);
thermal_zone_device_update(tz->thermal_zone, THERMAL_EVENT_UNSPECIFIED);
refcount_inc(&tz->thermal_check_count);
mutex_unlock(&tz->thermal_check_lock);
}
static int acpi_thermal_add(struct acpi_device *device)
@ -1084,6 +1103,8 @@ static int acpi_thermal_add(struct acpi_device *device)
if (result)
goto free_memory;
refcount_set(&tz->thermal_check_count, 3);
mutex_init(&tz->thermal_check_lock);
INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);
pr_info(PREFIX "%s [%s] (%ld C)\n", acpi_device_name(device),
@ -1149,7 +1170,7 @@ static int acpi_thermal_resume(struct device *dev)
tz->state.active |= tz->trips.active[i].flags.enabled;
}
queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);
acpi_queue_thermal_check(tz);
return AE_OK;
}

3
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -1914,6 +1914,9 @@ static bool decide_dp_link_settings(struct dc_link *link, struct dc_link_setting
initial_link_setting;
uint32_t link_bw;
if (req_bw > dc_link_bandwidth_kbps(link, &link->verified_link_cap))
return false;
/* search for the minimum link setting that:
* 1. is supported according to the link training result
* 2. could support the b/w requested by the timing

2
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
View File

@ -257,7 +257,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
.num_banks = 8,
.num_chans = 4,
.vmm_page_size_bytes = 4096,
.dram_clock_change_latency_us = 23.84,
.dram_clock_change_latency_us = 11.72,
.return_bus_width_bytes = 64,
.dispclk_dppclk_vco_speed_mhz = 3600,
.xfc_bus_transport_time_us = 4,

8
drivers/net/dsa/bcm_sf2.c
View File

@ -421,15 +421,19 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
/* Find our integrated MDIO bus node */
dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio");
priv->master_mii_bus = of_mdio_find_bus(dn);
if (!priv->master_mii_bus)
if (!priv->master_mii_bus) {
of_node_put(dn);
return -EPROBE_DEFER;
}
get_device(&priv->master_mii_bus->dev);
priv->master_mii_dn = dn;
priv->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
if (!priv->slave_mii_bus)
if (!priv->slave_mii_bus) {
of_node_put(dn);
return -ENOMEM;
}
priv->slave_mii_bus->priv = priv;
priv->slave_mii_bus->name = "sf2 slave mii";

6
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -4752,6 +4752,12 @@ static void ibmvnic_tasklet(void *data)
while (!done) {
/* Pull all the valid messages off the CRQ */
while ((crq = ibmvnic_next_crq(adapter)) != NULL) {
/* This barrier makes sure ibmvnic_next_crq()'s
* crq->generic.first & IBMVNIC_CRQ_CMD_RSP is loaded
* before ibmvnic_handle_crq()'s
* switch(gen_crq->first) and switch(gen_crq->cmd).
*/
dma_rmb();
ibmvnic_handle_crq(crq, adapter);
crq->generic.first = 0;
}

17
drivers/nvme/host/core.c
View File

@ -1295,8 +1295,21 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
}
length = (io.nblocks + 1) << ns->lba_shift;
meta_len = (io.nblocks + 1) * ns->ms;
metadata = nvme_to_user_ptr(io.metadata);
if ((io.control & NVME_RW_PRINFO_PRACT) &&
ns->ms == sizeof(struct t10_pi_tuple)) {
/*
* Protection information is stripped/inserted by the
* controller.
*/
if (nvme_to_user_ptr(io.metadata))
return -EINVAL;
meta_len = 0;
metadata = NULL;
} else {
meta_len = (io.nblocks + 1) * ns->ms;
metadata = nvme_to_user_ptr(io.metadata);
}
if (ns->ext) {
length += meta_len;

19
drivers/phy/motorola/phy-cpcap-usb.c
View File

@ -625,35 +625,42 @@ static int cpcap_usb_phy_probe(struct platform_device *pdev)
generic_phy = devm_phy_create(ddata->dev, NULL, &ops);
if (IS_ERR(generic_phy)) {
error = PTR_ERR(generic_phy);
return PTR_ERR(generic_phy);
goto out_reg_disable;
}
phy_set_drvdata(generic_phy, ddata);
phy_provider = devm_of_phy_provider_register(ddata->dev,
of_phy_simple_xlate);
if (IS_ERR(phy_provider))
return PTR_ERR(phy_provider);
if (IS_ERR(phy_provider)) {
error = PTR_ERR(phy_provider);
goto out_reg_disable;
}
error = cpcap_usb_init_optional_pins(ddata);
if (error)
return error;
goto out_reg_disable;
cpcap_usb_init_optional_gpios(ddata);
error = cpcap_usb_init_iio(ddata);
if (error)
return error;
goto out_reg_disable;
error = cpcap_usb_init_interrupts(pdev, ddata);
if (error)
return error;
goto out_reg_disable;
usb_add_phy_dev(&ddata->phy);
atomic_set(&ddata->active, 1);
schedule_delayed_work(&ddata->detect_work, msecs_to_jiffies(1));
return 0;
out_reg_disable:
regulator_disable(ddata->vusb);
return error;
}
static int cpcap_usb_phy_remove(struct platform_device *pdev)

6
drivers/platform/x86/intel-vbtn.c
View File

@ -203,6 +203,12 @@ static const struct dmi_system_id dmi_switches_allow_list[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271"),
},
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7352"),
},
},
{} /* Array terminator */
};

18
drivers/platform/x86/touchscreen_dmi.c
View File

@ -231,6 +231,16 @@ static const struct ts_dmi_data digma_citi_e200_data = {
.properties = digma_citi_e200_props,
};
static const struct property_entry estar_beauty_hd_props[] = {
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
{ }
};
static const struct ts_dmi_data estar_beauty_hd_data = {
.acpi_name = "GDIX1001:00",
.properties = estar_beauty_hd_props,
};
static const struct property_entry gp_electronic_t701_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
@ -747,6 +757,14 @@ static const struct dmi_system_id touchscreen_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
},
},
{
/* Estar Beauty HD (MID 7316R) */
.driver_data = (void *)&estar_beauty_hd_data,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Estar"),
DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"),
},
},
{
/* GP-electronic T701 */
.driver_data = (void *)&gp_electronic_t701_data,

8
drivers/scsi/fnic/vnic_dev.c
View File

@ -444,7 +444,8 @@ int vnic_dev_init_devcmd2(struct vnic_dev *vdev)
fetch_index = ioread32(&vdev->devcmd2->wq.ctrl->fetch_index);
if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */
pr_err("error in devcmd2 init");
return -ENODEV;
err = -ENODEV;
goto err_free_wq;
}
/*
@ -460,7 +461,7 @@ int vnic_dev_init_devcmd2(struct vnic_dev *vdev)
err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring,
DEVCMD2_RING_SIZE, DEVCMD2_DESC_SIZE);
if (err)
goto err_free_wq;
goto err_disable_wq;
vdev->devcmd2->result =
(struct devcmd2_result *) vdev->devcmd2->results_ring.descs;
@ -481,8 +482,9 @@ int vnic_dev_init_devcmd2(struct vnic_dev *vdev)
err_free_desc_ring:
vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
err_free_wq:
err_disable_wq:
vnic_wq_disable(&vdev->devcmd2->wq);
err_free_wq:
vnic_wq_free(&vdev->devcmd2->wq);
err_free_devcmd2:
kfree(vdev->devcmd2);

4
drivers/scsi/ibmvscsi/ibmvfc.c
View File

@ -2881,8 +2881,10 @@ static int ibmvfc_slave_configure(struct scsi_device *sdev)
unsigned long flags = 0;
spin_lock_irqsave(shost->host_lock, flags);
if (sdev->type == TYPE_DISK)
if (sdev->type == TYPE_DISK) {
sdev->allow_restart = 1;
blk_queue_rq_timeout(sdev->request_queue, 120 * HZ);
}
spin_unlock_irqrestore(shost->host_lock, flags);
return 0;
}

16
drivers/scsi/libfc/fc_exch.c
View File

@ -1619,8 +1619,13 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
rc = fc_exch_done_locked(ep);
WARN_ON(fc_seq_exch(sp) != ep);
spin_unlock_bh(&ep->ex_lock);
if (!rc)
if (!rc) {
fc_exch_delete(ep);
} else {
FC_EXCH_DBG(ep, "ep is completed already,"
"hence skip calling the resp\n");
goto skip_resp;
}
}
/*
@ -1639,6 +1644,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
if (!fc_invoke_resp(ep, sp, fp))
fc_frame_free(fp);
skip_resp:
fc_exch_release(ep);
return;
rel:
@ -1895,10 +1901,16 @@ static void fc_exch_reset(struct fc_exch *ep)
fc_exch_hold(ep);
if (!rc)
if (!rc) {
fc_exch_delete(ep);
} else {
FC_EXCH_DBG(ep, "ep is completed already,"
"hence skip calling the resp\n");
goto skip_resp;
}
fc_invoke_resp(ep, sp, ERR_PTR(-FC_EX_CLOSED));
skip_resp:
fc_seq_set_resp(sp, NULL, ep->arg);
fc_exch_release(ep);
}

9
drivers/scsi/scsi_transport_srp.c
View File

@ -541,7 +541,14 @@ int srp_reconnect_rport(struct srp_rport *rport)
res = mutex_lock_interruptible(&rport->mutex);
if (res)
goto out;
scsi_target_block(&shost->shost_gendev);
if (rport->state != SRP_RPORT_FAIL_FAST)
/*
* sdev state must be SDEV_TRANSPORT_OFFLINE, transition
* to SDEV_BLOCK is illegal. Calling scsi_target_unblock()
* later is ok though, scsi_internal_device_unblock_nowait()
* treats SDEV_TRANSPORT_OFFLINE like SDEV_BLOCK.
*/
scsi_target_block(&shost->shost_gendev);
res = rport->state != SRP_RPORT_LOST ? i->f->reconnect(rport) : -ENODEV;
pr_debug("%s (state %d): transport.reconnect() returned %d\n",
dev_name(&shost->shost_gendev), rport->state, res);

157
fs/btrfs/backref.c
View File

@ -347,33 +347,10 @@ static int add_prelim_ref(const struct btrfs_fs_info *fs_info,
return -ENOMEM;
ref->root_id = root_id;
if (key) {
if (key)
ref->key_for_search = *key;
/*
* We can often find data backrefs with an offset that is too
* large (>= LLONG_MAX, maximum allowed file offset) due to
* underflows when subtracting a file's offset with the data
* offset of its corresponding extent data item. This can
* happen for example in the clone ioctl.
* So if we detect such case we set the search key's offset to
* zero to make sure we will find the matching file extent item
* at add_all_parents(), otherwise we will miss it because the
* offset taken form the backref is much larger then the offset
* of the file extent item. This can make us scan a very large
* number of file extent items, but at least it will not make
* us miss any.
* This is an ugly workaround for a behaviour that should have
* never existed, but it does and a fix for the clone ioctl
* would touch a lot of places, cause backwards incompatibility
* and would not fix the problem for extents cloned with older
* kernels.
*/
if (ref->key_for_search.type == BTRFS_EXTENT_DATA_KEY &&
ref->key_for_search.offset >= LLONG_MAX)
ref->key_for_search.offset = 0;
} else {
else
memset(&ref->key_for_search, 0, sizeof(ref->key_for_search));
}
ref->inode_list = NULL;
ref->level = level;
@ -409,10 +386,36 @@ static int add_indirect_ref(const struct btrfs_fs_info *fs_info,
wanted_disk_byte, count, sc, gfp_mask);
}
static int is_shared_data_backref(struct preftrees *preftrees, u64 bytenr)
{
struct rb_node **p = &preftrees->direct.root.rb_root.rb_node;
struct rb_node *parent = NULL;
struct prelim_ref *ref = NULL;
struct prelim_ref target = {0};
int result;
target.parent = bytenr;
while (*p) {
parent = *p;
ref = rb_entry(parent, struct prelim_ref, rbnode);
result = prelim_ref_compare(ref, &target);
if (result < 0)
p = &(*p)->rb_left;
else if (result > 0)
p = &(*p)->rb_right;
else
return 1;
}
return 0;
}
static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
struct ulist *parents, struct prelim_ref *ref,
struct ulist *parents,
struct preftrees *preftrees, struct prelim_ref *ref,
int level, u64 time_seq, const u64 *extent_item_pos,
u64 total_refs, bool ignore_offset)
bool ignore_offset)
{
int ret = 0;
int slot;
@ -424,6 +427,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
u64 disk_byte;
u64 wanted_disk_byte = ref->wanted_disk_byte;
u64 count = 0;
u64 data_offset;
if (level != 0) {
eb = path->nodes[level];
@ -434,18 +438,26 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
}
/*
* We normally enter this function with the path already pointing to
* the first item to check. But sometimes, we may enter it with
* slot==nritems. In that case, go to the next leaf before we continue.
* 1. We normally enter this function with the path already pointing to
* the first item to check. But sometimes, we may enter it with
* slot == nritems.
* 2. We are searching for normal backref but bytenr of this leaf
* matches shared data backref
* 3. The leaf owner is not equal to the root we are searching
*
* For these cases, go to the next leaf before we continue.
*/
if (path->slots[0] >= btrfs_header_nritems(path->nodes[0])) {
eb = path->nodes[0];
if (path->slots[0] >= btrfs_header_nritems(eb) ||
is_shared_data_backref(preftrees, eb->start) ||
ref->root_id != btrfs_header_owner(eb)) {
if (time_seq == SEQ_LAST)
ret = btrfs_next_leaf(root, path);
else
ret = btrfs_next_old_leaf(root, path, time_seq);
}
while (!ret && count < total_refs) {
while (!ret && count < ref->count) {
eb = path->nodes[0];
slot = path->slots[0];
@ -455,13 +467,31 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
key.type != BTRFS_EXTENT_DATA_KEY)
break;
/*
* We are searching for normal backref but bytenr of this leaf
* matches shared data backref, OR
* the leaf owner is not equal to the root we are searching for
*/
if (slot == 0 &&
(is_shared_data_backref(preftrees, eb->start) ||
ref->root_id != btrfs_header_owner(eb))) {
if (time_seq == SEQ_LAST)
ret = btrfs_next_leaf(root, path);
else
ret = btrfs_next_old_leaf(root, path, time_seq);
continue;
}
fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);
disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);
data_offset = btrfs_file_extent_offset(eb, fi);
if (disk_byte == wanted_disk_byte) {
eie = NULL;
old = NULL;
count++;
if (ref->key_for_search.offset == key.offset - data_offset)
count++;
else
goto next;
if (extent_item_pos) {
ret = check_extent_in_eb(&key, eb, fi,
*extent_item_pos,
@ -502,9 +532,9 @@ next:
*/
static int resolve_indirect_ref(struct btrfs_fs_info *fs_info,
struct btrfs_path *path, u64 time_seq,
struct preftrees *preftrees,
struct prelim_ref *ref, struct ulist *parents,
const u64 *extent_item_pos, u64 total_refs,
bool ignore_offset)
const u64 *extent_item_pos, bool ignore_offset)
{
struct btrfs_root *root;
struct btrfs_key root_key;
@ -513,6 +543,7 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info,
int root_level;
int level = ref->level;
int index;
struct btrfs_key search_key = ref->key_for_search;
root_key.objectid = ref->root_id;
root_key.type = BTRFS_ROOT_ITEM_KEY;
@ -545,13 +576,33 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info,
goto out;
}
/*
* We can often find data backrefs with an offset that is too large
* (>= LLONG_MAX, maximum allowed file offset) due to underflows when
* subtracting a file's offset with the data offset of its
* corresponding extent data item. This can happen for example in the
* clone ioctl.
*
* So if we detect such case we set the search key's offset to zero to
* make sure we will find the matching file extent item at
* add_all_parents(), otherwise we will miss it because the offset
* taken form the backref is much larger then the offset of the file
* extent item. This can make us scan a very large number of file
* extent items, but at least it will not make us miss any.
*
* This is an ugly workaround for a behaviour that should have never
* existed, but it does and a fix for the clone ioctl would touch a lot
* of places, cause backwards incompatibility and would not fix the
* problem for extents cloned with older kernels.
*/
if (search_key.type == BTRFS_EXTENT_DATA_KEY &&
search_key.offset >= LLONG_MAX)
search_key.offset = 0;
path->lowest_level = level;
if (time_seq == SEQ_LAST)
ret = btrfs_search_slot(NULL, root, &ref->key_for_search, path,
0, 0);
ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);
else
ret = btrfs_search_old_slot(root, &ref->key_for_search, path,
time_seq);
ret = btrfs_search_old_slot(root, &search_key, path, time_seq);
/* root node has been locked, we can release @subvol_srcu safely here */
srcu_read_unlock(&fs_info->subvol_srcu, index);
@ -574,8 +625,8 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info,
eb = path->nodes[level];
}
ret = add_all_parents(root, path, parents, ref, level, time_seq,
extent_item_pos, total_refs, ignore_offset);
ret = add_all_parents(root, path, parents, preftrees, ref, level,
time_seq, extent_item_pos, ignore_offset);
out:
path->lowest_level = 0;
btrfs_release_path(path);
@ -609,7 +660,7 @@ unode_aux_to_inode_list(struct ulist_node *node)
static int resolve_indirect_refs(struct btrfs_fs_info *fs_info,
struct btrfs_path *path, u64 time_seq,
struct preftrees *preftrees,
const u64 *extent_item_pos, u64 total_refs,
const u64 *extent_item_pos,
struct share_check *sc, bool ignore_offset)
{
int err;
@ -653,9 +704,9 @@ static int resolve_indirect_refs(struct btrfs_fs_info *fs_info,
ret = BACKREF_FOUND_SHARED;
goto out;
}
err = resolve_indirect_ref(fs_info, path, time_seq, ref,
parents, extent_item_pos,
total_refs, ignore_offset);
err = resolve_indirect_ref(fs_info, path, time_seq, preftrees,
ref, parents, extent_item_pos,
ignore_offset);
/*
* we can only tolerate ENOENT,otherwise,we should catch error
* and return directly.
@ -758,8 +809,7 @@ static int add_missing_keys(struct btrfs_fs_info *fs_info,
*/
static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
struct btrfs_delayed_ref_head *head, u64 seq,
struct preftrees *preftrees, u64 *total_refs,
struct share_check *sc)
struct preftrees *preftrees, struct share_check *sc)
{
struct btrfs_delayed_ref_node *node;
struct btrfs_delayed_extent_op *extent_op = head->extent_op;
@ -793,7 +843,6 @@ static int add_delayed_refs(const struct btrfs_fs_info *fs_info,
default:
BUG();
}
*total_refs += count;
switch (node->type) {
case BTRFS_TREE_BLOCK_REF_KEY: {
/* NORMAL INDIRECT METADATA backref */
@ -876,7 +925,7 @@ out:
static int add_inline_refs(const struct btrfs_fs_info *fs_info,
struct btrfs_path *path, u64 bytenr,
int *info_level, struct preftrees *preftrees,
u64 *total_refs, struct share_check *sc)
struct share_check *sc)
{
int ret = 0;
int slot;
@ -900,7 +949,6 @@ static int add_inline_refs(const struct btrfs_fs_info *fs_info,
ei = btrfs_item_ptr(leaf, slot, struct btrfs_extent_item);
flags = btrfs_extent_flags(leaf, ei);
*total_refs += btrfs_extent_refs(leaf, ei);
btrfs_item_key_to_cpu(leaf, &found_key, slot);
ptr = (unsigned long)(ei + 1);
@ -1125,8 +1173,6 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
struct prelim_ref *ref;
struct rb_node *node;
struct extent_inode_elem *eie = NULL;
/* total of both direct AND indirect refs! */
u64 total_refs = 0;
struct preftrees preftrees = {
.direct = PREFTREE_INIT,
.indirect = PREFTREE_INIT,
@ -1195,7 +1241,7 @@ again:
}
spin_unlock(&delayed_refs->lock);
ret = add_delayed_refs(fs_info, head, time_seq,
&preftrees, &total_refs, sc);
&preftrees, sc);
mutex_unlock(&head->mutex);
if (ret)
goto out;
@ -1216,8 +1262,7 @@ again:
(key.type == BTRFS_EXTENT_ITEM_KEY ||
key.type == BTRFS_METADATA_ITEM_KEY)) {
ret = add_inline_refs(fs_info, path, bytenr,
&info_level, &preftrees,
&total_refs, sc);
&info_level, &preftrees, sc);
if (ret)
goto out;
ret = add_keyed_refs(fs_info, path, bytenr, info_level,
@ -1236,7 +1281,7 @@ again:
WARN_ON(!RB_EMPTY_ROOT(&preftrees.indirect_missing_keys.root.rb_root));
ret = resolve_indirect_refs(fs_info, path, time_seq, &preftrees,
extent_item_pos, total_refs, sc, ignore_offset);
extent_item_pos, sc, ignore_offset);
if (ret)
goto out;

7
fs/udf/super.c
View File

@ -705,6 +705,7 @@ static int udf_check_vsd(struct super_block *sb)
struct buffer_head *bh = NULL;
int nsr = 0;
struct udf_sb_info *sbi;
loff_t session_offset;
sbi = UDF_SB(sb);
if (sb->s_blocksize < sizeof(struct volStructDesc))
@ -712,7 +713,8 @@ static int udf_check_vsd(struct super_block *sb)
else
sectorsize = sb->s_blocksize;
sector += (((loff_t)sbi->s_session) << sb->s_blocksize_bits);
session_offset = (loff_t)sbi->s_session << sb->s_blocksize_bits;
sector += session_offset;
udf_debug("Starting at sector %u (%lu byte sectors)\n",
(unsigned int)(sector >> sb->s_blocksize_bits),
@ -757,8 +759,7 @@ static int udf_check_vsd(struct super_block *sb)
if (nsr > 0)
return 1;
else if (!bh && sector - (sbi->s_session << sb->s_blocksize_bits) ==
VSD_FIRST_SECTOR_OFFSET)
else if (!bh && sector - session_offset == VSD_FIRST_SECTOR_OFFSET)
return -1;
else
return 0;

3
include/linux/kthread.h
View File

@ -31,6 +31,9 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data),
unsigned int cpu,
const char *namefmt);
void kthread_set_per_cpu(struct task_struct *k, int cpu);
bool kthread_is_per_cpu(struct task_struct *k);
/**
* kthread_run - create and wake a thread.
* @threadfn: the function to run until signal_pending(current).

1
include/net/tcp.h
View File

@ -619,6 +619,7 @@ static inline void tcp_clear_xmit_timers(struct sock *sk)
unsigned int tcp_sync_mss(struct sock *sk, u32 pmtu);
unsigned int tcp_current_mss(struct sock *sk);
u32 tcp_clamp_probe0_to_user_timeout(const struct sock *sk, u32 when);
/* Bound MSS / TSO packet size with the half of the window */
static inline int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize)

27
kernel/kthread.c
View File

@ -469,11 +469,36 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data),
return p;
kthread_bind(p, cpu);
/* CPU hotplug need to bind once again when unparking the thread. */
set_bit(KTHREAD_IS_PER_CPU, &to_kthread(p)->flags);
to_kthread(p)->cpu = cpu;
return p;
}
void kthread_set_per_cpu(struct task_struct *k, int cpu)
{
struct kthread *kthread = to_kthread(k);
if (!kthread)
return;
WARN_ON_ONCE(!(k->flags & PF_NO_SETAFFINITY));
if (cpu < 0) {
clear_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
return;
}
kthread->cpu = cpu;
set_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
}
bool kthread_is_per_cpu(struct task_struct *k)
{
struct kthread *kthread = to_kthread(k);
if (!kthread)
return false;
return test_bit(KTHREAD_IS_PER_CPU, &kthread->flags);
}
/**
* kthread_unpark - unpark a thread created by kthread_create().
* @k: thread created by kthread_create().

1
kernel/smpboot.c
View File

@ -188,6 +188,7 @@ __smpboot_create_thread(struct smp_hotplug_thread *ht, unsigned int cpu)
kfree(td);
return PTR_ERR(tsk);
}
kthread_set_per_cpu(tsk, cpu);
/*
* Park the thread so that it could start right on the CPU
* when it is available.

9
kernel/workqueue.c
View File

@ -1847,12 +1847,6 @@ static void worker_attach_to_pool(struct worker *worker,
{
mutex_lock(&wq_pool_attach_mutex);
/*
* set_cpus_allowed_ptr() will fail if the cpumask doesn't have any
* online CPUs. It'll be re-applied when any of the CPUs come up.
*/
set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask);
/*
* The wq_pool_attach_mutex ensures %POOL_DISASSOCIATED remains
* stable across this function. See the comments above the flag
@ -1861,6 +1855,9 @@ static void worker_attach_to_pool(struct worker *worker,
if (pool->flags & POOL_DISASSOCIATED)
worker->flags |= WORKER_UNBOUND;
if (worker->rescue_wq)
set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask);
list_add_tail(&worker->node, &pool->workers);
worker->pool = pool;

11
net/core/gen_estimator.c
View File

@ -80,11 +80,11 @@ static void est_timer(struct timer_list *t)
u64 rate, brate;
est_fetch_counters(est, &b);
brate = (b.bytes - est->last_bytes) << (10 - est->ewma_log - est->intvl_log);
brate -= (est->avbps >> est->ewma_log);
brate = (b.bytes - est->last_bytes) << (10 - est->intvl_log);
brate = (brate >> est->ewma_log) - (est->avbps >> est->ewma_log);
rate = (u64)(b.packets - est->last_packets) << (10 - est->ewma_log - est->intvl_log);
rate -= (est->avpps >> est->ewma_log);
rate = (u64)(b.packets - est->last_packets) << (10 - est->intvl_log);
rate = (rate >> est->ewma_log) - (est->avpps >> est->ewma_log);
write_seqcount_begin(&est->seq);
est->avbps += brate;
@ -143,6 +143,9 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
if (parm->interval < -2 || parm->interval > 3)
return -EINVAL;
if (parm->ewma_log == 0 || parm->ewma_log >= 31)
return -EINVAL;
est = kzalloc(sizeof(*est), GFP_KERNEL);
if (!est)
return -ENOBUFS;

1
net/ipv4/tcp_input.c
View File

@ -3295,6 +3295,7 @@ static void tcp_ack_probe(struct sock *sk)
} else {
unsigned long when = tcp_probe0_when(sk, TCP_RTO_MAX);
when = tcp_clamp_probe0_to_user_timeout(sk, when);
tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0,
when, TCP_RTO_MAX, NULL);
}

2
net/ipv4/tcp_output.c
View File

@ -3850,6 +3850,8 @@ void tcp_send_probe0(struct sock *sk)
*/
timeout = TCP_RESOURCE_PROBE_INTERVAL;
}
timeout = tcp_clamp_probe0_to_user_timeout(sk, timeout);
tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0, timeout, TCP_RTO_MAX, NULL);
}

18
net/ipv4/tcp_timer.c
View File

@ -40,6 +40,24 @@ static u32 tcp_clamp_rto_to_user_timeout(const struct sock *sk)
return min_t(u32, icsk->icsk_rto, msecs_to_jiffies(remaining));
}
u32 tcp_clamp_probe0_to_user_timeout(const struct sock *sk, u32 when)
{
struct inet_connection_sock *icsk = inet_csk(sk);
u32 remaining;
s32 elapsed;
if (!icsk->icsk_user_timeout || !icsk->icsk_probes_tstamp)
return when;
elapsed = tcp_jiffies32 - icsk->icsk_probes_tstamp;
if (unlikely(elapsed < 0))
elapsed = 0;
remaining = msecs_to_jiffies(icsk->icsk_user_timeout) - elapsed;
remaining = max_t(u32, remaining, TCP_TIMEOUT_MIN);
return min_t(u32, remaining, when);
}
/**
* tcp_write_err() - close socket and save error info
* @sk: The socket the error has appeared on.

2
net/mac80211/rx.c
View File

@ -4080,6 +4080,8 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
rcu_read_lock();
key = rcu_dereference(sta->ptk[sta->ptk_idx]);
if (!key)
key = rcu_dereference(sdata->default_unicast_key);
if (key) {
switch (key->conf.cipher) {
case WLAN_CIPHER_SUITE_TKIP:

23
net/switchdev/switchdev.c
View File

@ -461,10 +461,11 @@ static int __switchdev_handle_port_obj_add(struct net_device *dev,
extack = switchdev_notifier_info_to_extack(&port_obj_info->info);
if (check_cb(dev)) {
/* This flag is only checked if the return value is success. */
port_obj_info->handled = true;
return add_cb(dev, port_obj_info->obj, port_obj_info->trans,
extack);
err = add_cb(dev, port_obj_info->obj, port_obj_info->trans,
extack);
if (err != -EOPNOTSUPP)
port_obj_info->handled = true;
return err;
}
/* Switch ports might be stacked under e.g. a LAG. Ignore the
@ -513,9 +514,10 @@ static int __switchdev_handle_port_obj_del(struct net_device *dev,
int err = -EOPNOTSUPP;
if (check_cb(dev)) {
/* This flag is only checked if the return value is success. */
port_obj_info->handled = true;
return del_cb(dev, port_obj_info->obj);
err = del_cb(dev, port_obj_info->obj);
if (err != -EOPNOTSUPP)
port_obj_info->handled = true;
return err;
}
/* Switch ports might be stacked under e.g. a LAG. Ignore the
@ -563,9 +565,10 @@ static int __switchdev_handle_port_attr_set(struct net_device *dev,
int err = -EOPNOTSUPP;
if (check_cb(dev)) {
port_attr_info->handled = true;
return set_cb(dev, port_attr_info->attr,
port_attr_info->trans);
err = set_cb(dev, port_attr_info->attr, port_attr_info->trans);
if (err != -EOPNOTSUPP)
port_attr_info->handled = true;
return err;
}
/* Switch ports might be stacked under e.g. a LAG. Ignore the

3
sound/pci/hda/hda_intel.c
View File

@ -2450,6 +2450,9 @@ static const struct pci_device_id azx_ids[] = {
/* CometLake-S */
{ PCI_DEVICE(0x8086, 0xa3f0),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
/* CometLake-R */
{ PCI_DEVICE(0x8086, 0xf0c8),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
/* Icelake */
{ PCI_DEVICE(0x8086, 0x34c8),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},

3
sound/soc/sof/intel/hda-codec.c
View File

@ -68,8 +68,7 @@ void hda_codec_jack_check(struct snd_sof_dev *sdev)
* has been recorded in STATESTS
*/
if (codec->jacktbl.used)
schedule_delayed_work(&codec->jackpoll_work,
codec->jackpoll_interval);
pm_request_resume(&codec->core.dev);
}
#else
void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {}

7
tools/objtool/elf.c
View File

@ -214,8 +214,11 @@ static int read_symbols(struct elf *elf)
symtab = find_section_by_name(elf, ".symtab");
if (!symtab) {
WARN("missing symbol table");
return -1;
/*
* A missing symbol table is actually possible if it's an empty
* .o file. This can happen for thunk_64.o.
*/
return 0;
}
symbols_nr = symtab->sh.sh_size / symtab->sh.sh_entsize;

5
tools/testing/selftests/powerpc/alignment/alignment_handler.c
View File

@ -380,7 +380,6 @@ int test_alignment_handler_integer(void)
LOAD_DFORM_TEST(ldu);
LOAD_XFORM_TEST(ldx);
LOAD_XFORM_TEST(ldux);
LOAD_DFORM_TEST(lmw);
STORE_DFORM_TEST(stb);
STORE_XFORM_TEST(stbx);
STORE_DFORM_TEST(stbu);
@ -399,7 +398,11 @@ int test_alignment_handler_integer(void)
STORE_XFORM_TEST(stdx);
STORE_DFORM_TEST(stdu);
STORE_XFORM_TEST(stdux);
#ifdef __BIG_ENDIAN__
LOAD_DFORM_TEST(lmw);
STORE_DFORM_TEST(stmw);
#endif
return rc;
}