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[ Upstream commit a86367803838b369fe5486ac18771d14723c258c ]
Current some drivers(like iscsi) call transport_register_device()
failed, they don't call transport_destroy_device() to release the
memory allocated in transport_setup_device(), because they don't
know what was done, it should be internal thing to release the
resource in register function. So fix this leak by calling destroy
function inside register function.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221110102307.3492557-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6977b1a5d67097eaa4d02b0c126c04cc6e8917c0 ]
When calling kobject_add() failed in device_add(), it will call
cleanup_glue_dir() to free resource. But in kobject_add(),
dev->kobj.parent has been set to NULL. This will cause resource leak.
The process is as follows:
device_add()
get_device_parent()
class_dir_create_and_add()
kobject_add() //kobject_get()
...
dev->kobj.parent = kobj;
...
kobject_add() //failed, but set dev->kobj.parent = NULL
...
glue_dir = get_glue_dir(dev) //glue_dir = NULL, and goto
//"Error" label
...
cleanup_glue_dir() //becaues glue_dir is NULL, not call
//kobject_put()
The preceding problem may cause insmod mac80211_hwsim.ko to failed.
sysfs: cannot create duplicate filename '/devices/virtual/mac80211_hwsim'
Call Trace:
<TASK>
dump_stack_lvl+0x8e/0xd1
sysfs_warn_dup.cold+0x1c/0x29
sysfs_create_dir_ns+0x224/0x280
kobject_add_internal+0x2aa/0x880
kobject_add+0x135/0x1a0
get_device_parent+0x3d7/0x590
device_add+0x2aa/0x1cb0
device_create_groups_vargs+0x1eb/0x260
device_create+0xdc/0x110
mac80211_hwsim_new_radio+0x31e/0x4790 [mac80211_hwsim]
init_mac80211_hwsim+0x48d/0x1000 [mac80211_hwsim]
do_one_initcall+0x10f/0x630
do_init_module+0x19f/0x5e0
load_module+0x64b7/0x6eb0
__do_sys_finit_module+0x140/0x200
do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
</TASK>
kobject_add_internal failed for mac80211_hwsim with -EEXIST, don't try to
register things with the same name in the same directory.
Fixes: cebf8fd16900 ("driver core: fix race between creating/querying glue dir and its cleanup")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20221123012042.335252-1-shaozhengchao@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 512ba04d8211dd1a54dd36adc3ecc527a28069c5 ]
GUID_INIT() is for internal guid_t type and shouldn't be used
for the uuid_le. I.o.w. relying on the implementation details
is layering violation. Use correct macros to initialize uuid_le.
Fixes: 64e9bbdd9588 ("misc/mei/hdcp: Client driver for HDCP application")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20221228160500.21220-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9175ee1a99d57ec07d66ff572e1d5a724477ab37 ]
In error path in stratix10_svc_drv_probe(), gen_pool_destroy() should be called
to destroy the memory pool that created by svc_create_memory_pool().
Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20221129163602.462369-1-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ce4273d89c52167d6fe20572136c58117eae0657 ]
As comment of pci_get_class() says, it returns a pci_device with its
refcount increased and decreased the refcount for the input parameter
@from if it is not NULL.
If we break the loop in applicom_init() with 'dev' not NULL, we need to
call pci_dev_put() to decrease the refcount. Add the missing
pci_dev_put() to avoid refcount leak.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Link: https://lore.kernel.org/r/20221122114035.24194-1-wangxiongfeng2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d717a3ab282f51ec45142f911f7ef8a55c057de5 ]
A problem about idt_89hpesx create debugfs failed is triggered with the
following log given:
[ 4973.269647] debugfs: Directory 'idt_csr' with parent '/' already present!
The reason is that idt_init() returns i2c_add_driver() directly without
checking its return value, if i2c_add_driver() failed, it returns without
destroy the newly created debugfs, resulting the debugfs of idt_csr can
never be created later.
idt_init()
debugfs_create_dir() # create debugfs directory
i2c_add_driver()
driver_register()
bus_add_driver()
priv = kzalloc(...) # OOM happened
# return without destroy debugfs directory
Fix by removing debugfs when i2c_add_driver() returns error.
Fixes: cfad6425382e ("eeprom: Add IDT 89HPESx EEPROM/CSR driver")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20221110020030.47711-1-yuancan@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 70fae37a09268455b8ab4f64647086b61da6f39c ]
This reverts commit be826ada52f1fcabed5b5217c94609ebf5967211.
The function monitor_card() is a timer handler that runs in an
atomic context, but it calls usleep_range() that can sleep.
As a result, the sleep-in-atomic-context bugs will happen.
The process is shown below:
(atomic context)
monitor_card()
set_protocol()
usleep_range() //sleep
The origin commit c1986ee9bea3 ("[PATCH] New Omnikey Cardman
4000 driver") works fine.
Fixes: be826ada52f1 ("char: pcmcia: cm4000_cs: Replace mdelay with usleep_range in set_protocol")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Link: https://lore.kernel.org/r/20230118141000.5580-1-duoming@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 38f28cfe9d08e3a47ef008798b275fef8118fc20 ]
Add the missing clk_disable_unprepare() before return from
tegra_uart_hw_init() in the error handling path.
When request_irq() fails in tegra_uart_startup(), 'tup->uart_clk'
has been enabled, fix it by adding clk_disable_unprepare().
Fixes: cc9ca4d95846 ("serial: tegra: Only print FIFO error message when an error occurs")
Fixes: d781ec21bae6 ("serial: tegra: report clk rate errors")
Signed-off-by: Yi Yang <yiyang13@huawei.com>
Link: https://lore.kernel.org/r/20221126020852.113378-1-yiyang13@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 4029dfc034febb54f6dd8ea83568accc943bc088 ]
The LPUART Status Register needs to be cleared when closing the uart
port to get a clean environment when reopening the uart.
Fixes: 380c966c093e ("tty: serial: fsl_lpuart: add 32-bit register interface support")
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20221125101953.18753-4-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1d4bd0e4ae4ba95892bef919a8d4d3f08f122d7e ]
UARTBAUD_RDMAE and UARTBAUD_TDMAE are enabled in lpuart32_startup(), but
lpuart32_shutdown() not disable them, only free the dma ring buffer and
release the dma channels, so here disable the Rx/Tx DMA first in
lpuart32_shutdown().
Fixes: 42b68768e51b ("serial: fsl_lpuart: DMA support for 32-bit variant")
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20221125101953.18753-3-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ea0b5aa5f184cf8293c93163f0fb00505190d431 ]
The sysfs link name "virtfn%u" constructed by pci_iov_sysfs_link() requires
17 bytes to contain the longest possible string. Increase VIRTFN_ID_LEN to
accommodate that.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
[bhelgaas: commit log, comment at #define]
Fixes: dd7cc44d0bce ("PCI: add SR-IOV API for Physical Function driver")
Link: https://lore.kernel.org/r/20221218033347.23743-1-gremlin@altlinux.org
Signed-off-by: Alexey V. Vissarionov <gremlin@altlinux.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit c3194949ae8fcbe2b7e38670e7c6a5cfd2605edc ]
When acpi_dev_get_memory_resources() fails, the reference count is
left bumped. Drop it as it's done in the other error paths.
Fixes: 43d596e32276 ("usb: typec: intel_pmc_mux: Check the port status before connect")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230102202933.15968-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1538dc8c1561f0de4ba57a69e2a421a1a3951618 ]
It removes the need to check the resource data type
separately.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: c3194949ae8f ("usb: typec: intel_pmc_mux: Don't leak the ACPI device reference count")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6bb057bfd9d509755349cd2a6ca5e5e6e6071304 ]
Wrapper function that finds all memory type resources by
using acpi_dev_get_resources(). It removes the need for the
drivers to check the resource data type separately.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: c3194949ae8f ("usb: typec: intel_pmc_mux: Don't leak the ACPI device reference count")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eff674a9b86a6ffdd10c3af3863545acf7f1ce4f ]
In commit 6746eae4bbad ("coresight: cti: Fix hang in cti_disable_hw()")
PM runtime calls are removed from cti_enable_hw/cti_disable_hw. When
enabling CTI by writing enable sysfs node, clock for accessing CTI
register won't be enabled. Device will crash due to register access
issue. Add PM runtime call in enable_store to fix this issue.
Fixes: 6746eae4bbad ("coresight: cti: Fix hang in cti_disable_hw()")
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
[Change to only call pm_runtime_put if a disable happened]
Tested-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230110110736.2709917-3-james.clark@arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3244fb6dbbf1ffc114cdf382cc167bdd8c18088a ]
Writing 0 to the enable control repeatedly results in a negative value
for enable_req_count. After this, writing 1 to the enable control
appears to not work until the count returns to positive.
Change it so that it's impossible for enable_req_count to be < 0.
Return an error to indicate that the disable request was invalid.
Fixes: 835d722ba10a ("coresight: cti: Initial CoreSight CTI Driver")
Tested-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: James Clark <james.clark@arm.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230110110736.2709917-2-james.clark@arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 589d928248b72f8377d45904a14bcf686aa8bbeb ]
The TRCSEQRSTEVR and TRCSEQSTR registers are not implemented if the
TRCIDR5.NUMSEQSTATE == 0. Skip accessing the registers in such cases.
Fixes: 2e1cdfe184b5 ("coresight-etm4x: Adding CoreSight ETM4x driver")
Signed-off-by: Junhao He <hejunhao3@huawei.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230114091632.60095-1-hejunhao3@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9f582f0418ed1c18f92c9e4628075d6ec9a7d9fb ]
Check for inactive controls in uvc_ctrl_is_accessible().
Use the new value for the master_id controls if present, otherwise
use the existing value to determine if it is OK to set the control.
Doing this here avoids attempting to set an inactive control, which
will return an error from the USB device, which returns an invalid
errorcode.
This fixes:
warn: v4l2-test-controls.cpp(483): s_ctrl returned EIO
warn: v4l2-test-controls.cpp(483): s_ctrl returned EIO
test VIDIOC_G/S_CTRL: OK
warn: v4l2-test-controls.cpp(739): s_ext_ctrls returned EIO
warn: v4l2-test-controls.cpp(739): s_ext_ctrls returned EIO
warn: v4l2-test-controls.cpp(816): s_ext_ctrls returned EIO
test VIDIOC_G/S/TRY_EXT_CTRLS: OK
Tested with:
v4l2-ctl -c auto_exposure=1
OK
v4l2-ctl -c exposure_time_absolute=251
OK
v4l2-ctl -c auto_exposure=3
OK
v4l2-ctl -c exposure_time_absolute=251
VIDIOC_S_EXT_CTRLS: failed: Input/output error
exposure_time_absolute: Input/output error
ERROR
v4l2-ctl -c auto_exposure=3,exposure_time_absolute=251,auto_exposure=1
v4l2-ctl -C auto_exposure,exposure_time_absolute
auto_exposure: 1
exposure_time_absolute: 251
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ee929d5a10ca433a1c21b9aaeb70a67c5507c101 ]
We can figure out if reading/writing a set of controls can fail without
accessing them by checking their flags.
This way we can honor the API closer:
If an error is found when validating the list of controls passed with
VIDIOC_G_EXT_CTRLS, then error_idx shall be set to ctrls->count to
indicate to userspace that no actual hardware was touched.
Fixes v4l2-compliance:
Control ioctls (Input 0):
warn: v4l2-test-controls.cpp(765): g_ext_ctrls(0) invalid error_idx 0
fail: v4l2-test-controls.cpp(645): invalid error index write only control
test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 9f582f0418ed ("media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 70fa906d6fceb07a49198d2f31cadecc76787419 ]
The framework already contains a map of IDs to names, lets use it when
possible.
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Suggested-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 9f582f0418ed ("media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9b31ea808a4468d5d606d1f82c58b7e7bfb99f66 ]
Create all the class controls for the device defined controls.
Fixes v4l2-compliance:
Control ioctls (Input 0):
fail: v4l2-test-controls.cpp(216): missing control class for class 00980000
fail: v4l2-test-controls.cpp(216): missing control tclass for class 009a0000
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: FAIL
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 9f582f0418ed ("media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 866c6bdd5663d4df7cf384b381b6ef8ba9ffd0e4 ]
Pass the chain instead of the device. We want to keep the reference to
the chain that controls belong to.
We need to delay the initialization of the controls after the chains
have been initialized.
This is a cleanup needed for the next patches.
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 9f582f0418ed ("media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0c6bcbdfefa83b8a1e9659b3c127758dce0fe7ac ]
If we do not implement these callbacks the framework will call the
ext_ctrl callbaks instead, which are a superset of this functions.
Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 9f582f0418ed ("media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1878787797cbb019eeefe6f905514dcd557302b6 ]
Just memcmp() with ELFMAG - that's the normal way to do it in userland
code, which that thing is. Besides, that has the benefit of actually
building - str_has_prefix() is *NOT* present in <string.h>.
Fixes: 5f14596e55de "alpha: Replace strncmp with str_has_prefix"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3bb2a01caa813d3a1845d378bbe4169ef280d394 ]
In kobject_get_path(), if kobj->name is changed between calls
get_kobj_path_length() and fill_kobj_path() and the length becomes
longer, then fill_kobj_path() will have an out-of-bounds bug.
The actual current problem occurs when the ixgbe probe.
In ixgbe_mii_bus_init(), if the length of netdev->dev.kobj.name
length becomes longer, out-of-bounds will occur.
cpu0 cpu1
ixgbe_probe
register_netdev(netdev)
netdev_register_kobject
device_add
kobject_uevent // Sending ADD events
systemd-udevd // rename netdev
dev_change_name
device_rename
kobject_rename
ixgbe_mii_bus_init |
mdiobus_register |
__mdiobus_register |
device_register |
device_add |
kobject_uevent |
kobject_get_path |
len = get_kobj_path_length // old name |
path = kzalloc(len, gfp_mask); |
kobj->name = name;
/* name length becomes
* longer
*/
fill_kobj_path /* kobj path length is
* longer than path,
* resulting in out of
* bounds when filling path
*/
This is the kasan report:
==================================================================
BUG: KASAN: slab-out-of-bounds in fill_kobj_path+0x50/0xc0
Write of size 7 at addr ff1100090573d1fd by task kworker/28:1/673
Workqueue: events work_for_cpu_fn
Call Trace:
<TASK>
dump_stack_lvl+0x34/0x48
print_address_description.constprop.0+0x86/0x1e7
print_report+0x36/0x4f
kasan_report+0xad/0x130
kasan_check_range+0x35/0x1c0
memcpy+0x39/0x60
fill_kobj_path+0x50/0xc0
kobject_get_path+0x5a/0xc0
kobject_uevent_env+0x140/0x460
device_add+0x5c7/0x910
__mdiobus_register+0x14e/0x490
ixgbe_probe.cold+0x441/0x574 [ixgbe]
local_pci_probe+0x78/0xc0
work_for_cpu_fn+0x26/0x40
process_one_work+0x3b6/0x6a0
worker_thread+0x368/0x520
kthread+0x165/0x1a0
ret_from_fork+0x1f/0x30
This reproducer triggers that bug:
while:
do
rmmod ixgbe
sleep 0.5
modprobe ixgbe
sleep 0.5
When calling fill_kobj_path() to fill path, if the name length of
kobj becomes longer, return failure and retry. This fixes the problem.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20221220012143.52141-1-wanghai38@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 33a0a1e3b3d17445832177981dc7a1c6a5b009f8 ]
kobject_get_path() does not modify the kobject passed to it, so make the
pointer constant.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20221001165315.2690141-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 3bb2a01caa81 ("kobject: Fix slab-out-of-bounds in fill_kobj_path()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f6837f34a34973ef6600c08195ed300e24e97317 ]
I got the following null-ptr-deref report while doing fault injection test:
BUG: kernel NULL pointer dereference, address: 0000000000000058
CPU: 2 PID: 278 Comm: 37-i2c-ds2482 Tainted: G B W N 6.1.0-rc3+
RIP: 0010:klist_put+0x2d/0xd0
Call Trace:
<TASK>
klist_remove+0xf1/0x1c0
device_release_driver_internal+0x196/0x210
bus_remove_device+0x1bd/0x240
device_add+0xd3d/0x1100
w1_add_master_device+0x476/0x490 [wire]
ds2482_probe+0x303/0x3e0 [ds2482]
This is how it happened:
w1_alloc_dev()
// The dev->driver is set to w1_master_driver.
memcpy(&dev->dev, device, sizeof(struct device));
device_add()
bus_add_device()
dpm_sysfs_add() // It fails, calls bus_remove_device.
// error path
bus_remove_device()
// The dev->driver is not null, but driver is not bound.
__device_release_driver()
klist_remove(&dev->p->knode_driver) <-- It causes null-ptr-deref.
// normal path
bus_probe_device() // It's not called yet.
device_bind_driver()
If dev->driver is set, in the error path after calling bus_add_device()
in device_add(), bus_remove_device() is called, then the device will be
detached from driver. But device_bind_driver() is not called yet, so it
causes null-ptr-deref while access the 'knode_driver'. To fix this, set
dev->driver to null in the error path before calling bus_remove_device().
Fixes: 57eee3d23e88 ("Driver core: Call device_pm_add() after bus_add_device() in device_add()")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221205034904.2077765-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7cbfee2e2e40d2be54196362a845a3ea0a3f877d ]
The command FIFOs in the Cadence IP can be configured during design
up to 32 entries, and the code in cadence_master.c was assuming the
full 32-entry FIFO. But all current Intel implementations use an 8-entry
FIFO.
Up to now the longest message used was 6 entries so this wasn't
causing any problem. But future Cirrus Logic codecs have downloadable
firmware or tuning blobs. It is more efficient for the codec driver to
issue long transfers that can take advantage of any queuing in the
Soundwire controller and avoid the overhead of repeatedly writing the
page registers.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Fixes: 2f52a5177caa ("soundwire: cdns: Add cadence library")
Link: https://lore.kernel.org/r/20221202161812.4186897-2-rf@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f2e1fa99550dd7a882229e2c2cd9ecab4ce773d0 ]
Make i2c_dw_clk_rate() to return u32 instead of unsigned long, as the
function return the value of get_clk_rate_khz() which returns u32.
Fixes: b33af11de236 ("i2c: designware: Do not require clock when SSCN and FFCN are provided")
Signed-off-by: Hanna Hawa <hhhawa@amazon.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a8d3392e0e5cfeb03f0cea1f2bc3f5f183c1deb4 ]
When request_irq(ires1->start) failed in w5300_hw_probe(), irq
ires->start has not been freed, and on the clean_up3 error path,
we also need to free ires1->start irq, fix it.
In addition, We should add free_irq in fusb300_remove(), and give
the lables a proper name so that they can be understood easily,
so add free_irq in fusb300_remove(), and update clean_up3 to
err_alloc_request.
Fixes: 0fe6f1d1f612 ("usb: udc: add Faraday fusb300 driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://lore.kernel.org/r/20221123014121.1989721-1-cuigaosheng1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 027641b52fe37b64af61025298ce160c8b9b7a73 ]
Instead of hardcoding IRQ trigger type to IRQF_TRIGGER_RAISING,
let's respect the settings specified in the firmware description.
To be compatible with the older firmware descriptions, if trigger
type is not set up there, we'll set it to default (raising edge).
Fixes: 388be4883952 ("staging:iio: tsl2563 abi fixes and interrupt handling")
Fixes: bdab1001738f ("staging:iio:light:tsl2563 remove old style event registration.")
Signed-off-by: Ferry Toth <ftoth@exalondelft.nl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221207190348.9347-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit dcca9d045c0852584ad092123c7f6e6526a633b1 ]
The HiSilicon DMA Engine is only present on HiSilicon SoCs. Hence add a
dependency on ARCH_HISI, to prevent asking the user about this driver
when configuring a kernel without HiSilicon SoC support.
Fixes: e9f08b65250d73ab ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/363a1816d36cd3cf604d88ec90f97c75f604de64.1669044190.git.geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9735bde36487da43d3c3fc910df49639f72decbf ]
On DSA/IAX 1.0, TC-A and TC-B in GRPCFG are set as 1 to have best
performance and cannot be changed through sysfs knobs unless override
option is given.
The same values should be set on DSA 2.0 as well.
Fixes: ea7c8f598c32 ("dmaengine: idxd: restore traffic class defaults after wq reset")
Fixes: ade8a86b512c ("dmaengine: idxd: Set defaults for GRPCFG traffic class")
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20221209172141.562648-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8b450dcff23aa254844492831a8e2b508a9d522d ]
`req` is allocated in pcf50633_adc_async_read(), but
adc_enqueue_request() could fail to insert the `req` into queue.
We need to check the return value and free it in the case of failure.
Fixes: 08c3e06a5eb2 ("mfd: PCF50633 adc driver")
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221208061555.8776-1-linqiheng@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5ec32a3e4053c1a726b45381d56aa9e39eaf3911 ]
The cs5535-mfd driver uses CPU-specific data that is not available
for ARCH=um builds, so don't allow it to be built for UML.
Prevents these build errors:
In file included from ../arch/x86/include/asm/olpc.h:7,
from ../drivers/mfd/cs5535-mfd.c:17:
../arch/x86/include/asm/geode.h: In function ‘is_geode_gx’:
../arch/x86/include/asm/geode.h:16:31: error: ‘struct cpuinfo_um’ has no member named ‘x86_vendor’
16 | return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
../arch/x86/include/asm/geode.h:16:46: error: ‘X86_VENDOR_NSC’ undeclared (first use in this function); did you mean ‘X86_VENDOR_ANY’?
16 | return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
../arch/x86/include/asm/geode.h:17:31: error: ‘struct cpuinfo_um’ has no member named ‘x86’
17 | (boot_cpu_data.x86 == 5) &&
../arch/x86/include/asm/geode.h:18:31: error: ‘struct cpuinfo_um’ has no member named ‘x86_model’
18 | (boot_cpu_data.x86_model == 5));
../arch/x86/include/asm/geode.h: In function ‘is_geode_lx’:
../arch/x86/include/asm/geode.h:23:31: error: ‘struct cpuinfo_um’ has no member named ‘x86_vendor’
23 | return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
../arch/x86/include/asm/geode.h:23:46: error: ‘X86_VENDOR_AMD’ undeclared (first use in this function); did you mean ‘X86_VENDOR_ANY’?
23 | return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
../arch/x86/include/asm/geode.h:24:31: error: ‘struct cpuinfo_um’ has no member named ‘x86’
24 | (boot_cpu_data.x86 == 5) &&
../arch/x86/include/asm/geode.h:25:31: error: ‘struct cpuinfo_um’ has no member named ‘x86_model’
25 | (boot_cpu_data.x86_model == 10));
Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221201012541.11809-1-rdunlap@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d5d469247264e56960705dc5ae7e1d014861fe40 ]
A lot of the tsan helpers are already excempt from the UACCESS warnings,
but some more functions were added that need the same thing:
kernel/kcsan/core.o: warning: objtool: __tsan_volatile_read16+0x0: call to __tsan_unaligned_read16() with UACCESS enabled
kernel/kcsan/core.o: warning: objtool: __tsan_volatile_write16+0x0: call to __tsan_unaligned_write16() with UACCESS enabled
vmlinux.o: warning: objtool: __tsan_unaligned_volatile_read16+0x4: call to __tsan_unaligned_read16() with UACCESS enabled
vmlinux.o: warning: objtool: __tsan_unaligned_volatile_write16+0x4: call to __tsan_unaligned_write16() with UACCESS enabled
As Marco points out, these functions don't even call each other
explicitly but instead gcc (but not clang) notices the functions
being identical and turns one symbol into a direct branch to the
other.
Link: https://lkml.kernel.org/r/20230215130058.3836177-4-arnd@kernel.org
Fixes: 75d75b7a4d54 ("kcsan: Support distinguishing volatile accesses")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0c2baf6509af1d11310ae4c1c839481a6e9a4bc4 ]
On most architectures, gcc -Wextra warns about the list of error
numbers containing both EDEADLK and EDEADLOCK:
lib/errname.c:15:67: warning: initialized field overwritten [-Woverride-init]
15 | #define E(err) [err + BUILD_BUG_ON_ZERO(err <= 0 || err > 300)] = "-" #err
| ^~~
lib/errname.c:172:2: note: in expansion of macro 'E'
172 | E(EDEADLK), /* EDEADLOCK */
| ^
On parisc, a similar error happens with -ECANCELLED, which is an
alias for ECANCELED.
Make the EDEADLK printing conditional on the number being distinct
from EDEADLOCK, and remove the -ECANCELLED bit completely as it
can never be hit.
To ensure these are correct, add static_assert lines that verify
all the remaining aliases are in fact identical to the canonical
name.
Fixes: 57f5677e535b ("printf: add support for printing symbolic error names")
Cc: Petr Mladek <pmladek@suse.com>
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/all/20210514213456.745039-1-arnd@kernel.org/
Link: https://lore.kernel.org/all/20210927123409.1109737-1-arnd@kernel.org/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20230206194126.380350-1-arnd@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1e6b485c922fbedf41d5a9f4e6449c5aeb923a32 ]
Since commit a1d6cd88c897 ("selftests/ftrace: event_triggers: wait
longer for test_event_enable") introduced bash specific "=="
comparation operator, that test will fail when we run it on a
posix-shell. `checkbashisms` warned it as below.
possible bashism in ftrace/func_event_triggers.tc line 45 (should be 'b = a'):
if [ "$e" == $val ]; then
This replaces it with "=".
Fixes: a1d6cd88c897 ("selftests/ftrace: event_triggers: wait longer for test_event_enable")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ffd1240e8f0814262ceb957dbe961f6e0aef1e7a ]
On aarch64 CPU related events are not under event_source/devices/cpu/events,
they're under event_source/devices/armv8_pmuv3_0/events on my machine.
Using current auto-complete script will generate below error:
[root@localhost bin]# perf stat -e
ls: cannot access '/sys/bus/event_source/devices/cpu/events': No such file or directory
Fix this by not testing /sys/bus/event_source/devices/cpu/events on
aarch64 machine.
Fixes: 74cd5815d9af6e6c ("perf tool: Improve bash command line auto-complete for multiple events with comma")
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxarm@huawei.com
Cc: prime.zeng@hisilicon.com
Link: https://lore.kernel.org/r/20230207035057.43394-1-yangyicong@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit aeb802f872a7c42e4381f36041e77d1745908255 ]
When it processes AUXTRACE_INFO, it calls to auxtrace_queue_data() to
collect AUXTRACE data first. That won't work with pipe since it needs
lseek() to read the scattered aux data.
$ perf record -o- -e intel_pt// true | perf report -i- --itrace=i100
# To display the perf.data header info, please use --header/--header-only options.
#
0x4118 [0xa0]: failed to process type: 70
Error:
failed to process sample
For the pipe mode, it can handle the aux data as it gets. But there's
no guarantee it can get the aux data in time. So the following warning
will be shown at the beginning:
WARNING: Intel PT with pipe mode is not recommended.
The output cannot relied upon. In particular,
time stamps and the order of events may be incorrect.
Fixes: dbd134322e74f19d ("perf intel-pt: Add support for decoding AUX area samples")
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20230131023350.1903992-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d7015e50a9ed180dcc3947635bb2b5711c37f48b ]
ptwrite is an Intel x86 instruction that writes arbitrary values into an
Intel PT trace. It is not supported on all hardware, so provide an
alternative that makes use of TNT packets to convey the payload data.
TNT packets encode Taken/Not-taken conditional branch information, so
taking branches based on the payload value will encode the value into
the TNT packet. Refer to the changes to the documentation file
perf-intel-pt.txt in this patch for an example.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220509152400.376613-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Stable-dep-of: aeb802f872a7 ("perf intel-pt: Do not try to queue auxtrace data on pipe")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9e5e641045ff09ded4eb52828c4c7e110635422a ]
Add an EXAMPLE section and link to the perf wiki's Intel PT page.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lore.kernel.org/lkml/20220426133213.248475-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Stable-dep-of: aeb802f872a7 ("perf intel-pt: Do not try to queue auxtrace data on pipe")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 24e3599c5a88e0e2995e3f5c9305f80195942dc9 ]
Add documentation for Event Trace and TNT disable to the perf Intel PT man
page.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20220124084201.2699795-26-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Stable-dep-of: aeb802f872a7 ("perf intel-pt: Do not try to queue auxtrace data on pipe")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1746212daeba95e9ae1639227dc0c3591d41deeb ]
In copy_bytes(), it reads the data from the (input) fd and writes it to
the output file. But it does with the read(2) unconditionally which
caused a problem of mixing buffered vs unbuffered I/O together.
You can see the problem when using pipes.
$ perf record -e intel_pt// -o- true | perf inject -b > /dev/null
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.000 MB - ]
0x45c0 [0x30]: failed to process type: 71
It should use perf_data__read() to honor the 'use_stdio' setting.
Fixes: 601366678c93618f ("perf data: Allow to use stdio functions for pipe mode")
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20230131023350.1903992-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit da1afe8e6099980fe1e2fd7436dca284af9d3f29 ]
class_find_device_by_of_node() calls class_find_device(), it will take
the reference, use the put_device() to drop the reference when not need
anymore.
Fixes: 699a8c7c4bd3 ("leds: Add of_led_get() and led_put()")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221220121807.1543790-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9f19aab47ced012eddef1e2bc96007efc7713b61 ]
The LLVM template is first echo-ed into command_out and then
command_out executed. The echo surrounds the template with double
quotes, however, the template itself may contain quotes. This is
generally innocuous but in tools/perf/tests/bpf-script-test-prologue.c
we see:
...
SEC("func=null_lseek file->f_mode offset orig")
...
where the first double quote ends the double quote of the echo, then
the > redirects output into a file called f_mode.
To avoid this inadvertent behavior substitute redirects and similar
characters to be ASCII control codes, then substitute the output in
the echo back again.
Fixes: 5eab5a7ee032acaa ("perf llvm: Display eBPF compiling command in debug output")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: llvm@lists.linux.dev
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20230105082609.344538-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
