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55862094a9
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Kalesh AP 55862094a9 bnxt_en: Do not call sleeping hwmon_notify_event() from NAPI 
Defer hwmon_notify_event() to bnxt_sp_task() workqueue because
hwmon_notify_event() can try to acquire a mutex shown in the stack trace
below.  Modify bnxt_event_error_report() to return true if we need to
schedule bnxt_sp_task() to notify hwmon.

  __schedule+0x68/0x520
  hwmon_notify_event+0xe8/0x114
  schedule+0x60/0xe0
  schedule_preempt_disabled+0x28/0x40
  __mutex_lock.constprop.0+0x534/0x550
  __mutex_lock_slowpath+0x18/0x20
  mutex_lock+0x5c/0x70
  kobject_uevent_env+0x2f4/0x3d0
  kobject_uevent+0x10/0x20
  hwmon_notify_event+0x94/0x114
  bnxt_hwmon_notify_event+0x40/0x70 [bnxt_en]
  bnxt_event_error_report+0x260/0x290 [bnxt_en]
  bnxt_async_event_process.isra.0+0x250/0x850 [bnxt_en]
  bnxt_hwrm_handler.isra.0+0xc8/0x120 [bnxt_en]
  bnxt_poll_p5+0x150/0x350 [bnxt_en]
  __napi_poll+0x3c/0x210
  net_rx_action+0x308/0x3b0
  __do_softirq+0x120/0x3e0

Cc: Guenter Roeck <linux@roeck-us.net>
Fixes: a19b480145 ("bnxt_en: Event handler for Thermal event")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-22 11:41:45 +01:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-19 13:29:01 -07:00
block block: Don't invalidate pagecache for invalid falloc modes 2023-10-11 15:53:17 -06:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto crypto: sm2 - Fix crash caused by uninitialized context 2023-09-20 13:10:10 +08:00
Documentation netlink: specs: add support for auto-sized scalars 2023-10-20 11:43:35 +01:00
drivers bnxt_en: Do not call sleeping hwmon_notify_event() from NAPI 2023-10-22 11:41:45 +01:00
fs v6.6-rc7.vfs.fixes 2023-10-19 09:37:41 -07:00
include ethtool: untangle the linkmode and ethtool headers 2023-10-20 12:47:33 +01:00
init workqueue: Changes for v6.6 2023-09-01 16:06:32 -07:00
io_uring io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls() 2023-10-05 14:11:18 -06:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-19 13:29:01 -07:00
lib netlink: add variable-length / auto integers 2023-10-20 11:43:35 +01:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-19 13:29:01 -07:00
net ethtool: untangle the linkmode and ethtool headers 2023-10-20 12:47:33 +01:00
rust Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
samples samples/bpf: Add -fsanitize=bounds to userspace programs 2023-09-28 09:31:05 -07:00
scripts kbuild: remove stale code for 'source' symlink in packaging scripts 2023-10-01 23:06:06 +09:00
security KEYS: trusted: Remove redundant static calls usage 2023-10-10 11:19:43 -07:00
sound TTY/Serial driver fixes for 6.6-rc6 2023-10-15 09:11:39 -07:00
tools selftests: tc-testing: add test for 'rt' upgrade on hfsc 2023-10-21 11:46:41 +01:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM: 2023-09-07 13:52:20 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap MAINTAINERS: update Matthieu's email address 2023-10-05 09:34:32 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-19 13:29:01 -07:00
Makefile Linux 6.6-rc6 2023-10-15 13:34:39 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.