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The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)
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Dmitry Osipenko 0bbb30d077 dmaengine: pl330: Fix lockdep warning about non-static key 
commit b64b3b2f1d upstream.

The DEFINE_SPINLOCK() macro shouldn't be used for dynamically allocated
spinlocks. The lockdep warns about this and disables locking validator.
Fix the warning by making lock static.

 INFO: trying to register non-static key.
 The code is fine but needs lockdep annotation, or maybe
 you didn't initialize this object before use?
 turning off the locking correctness validator.
 Hardware name: Radxa ROCK Pi 4C (DT)
 Call trace:
  dump_backtrace.part.0+0xcc/0xe0
  show_stack+0x18/0x6c
  dump_stack_lvl+0x8c/0xb8
  dump_stack+0x18/0x34
  register_lock_class+0x4a8/0x4cc
  __lock_acquire+0x78/0x20cc
  lock_acquire.part.0+0xe0/0x230
  lock_acquire+0x68/0x84
  _raw_spin_lock_irqsave+0x84/0xc4
  add_desc+0x44/0xc0
  pl330_get_desc+0x15c/0x1d0
  pl330_prep_dma_cyclic+0x100/0x270
  snd_dmaengine_pcm_trigger+0xec/0x1c0
  dmaengine_pcm_trigger+0x18/0x24
  ...

Fixes: e588710311 ("dmaengine: pl330: fix descriptor allocation fail")
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://lore.kernel.org/r/20220520181432.149904-1-dmitry.osipenko@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2022-07-12 16:35:18 +02:00
Documentation dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo 2022-07-12 16:35:17 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
arch ARM: dts: stm32: add missing usbh clock and fix clk order on stm32mp15 2022-07-12 16:35:16 +02:00
block block: fix rq-qos breakage from skipping rq_qos_done_bio() 2022-07-12 16:34:57 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: memneq - move into lib/ 2022-06-22 14:22:03 +02:00
drivers dmaengine: pl330: Fix lockdep warning about non-static key 2022-07-12 16:35:18 +02:00
fs btrfs: fix use of uninitialized variable at rm device ioctl 2022-07-12 16:35:11 +02:00
include Revert "mm/memory-failure.c: fix race with changing page compound again" 2022-07-12 16:35:17 +02:00
init Kconfig: Add option for asm goto w/ tied outputs to workaround clang-13 bug 2022-06-09 10:23:26 +02:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2022-06-09 10:23:10 +02:00
kernel module: fix [e_shstrndx].sh_size=0 OOB access 2022-07-12 16:35:09 +02:00
lib ida: don't use BUG_ON() for debugging 2022-07-12 16:35:18 +02:00
mm Revert "mm/memory-failure.c: fix race with changing page compound again" 2022-07-12 16:35:17 +02:00
net xsk: Clear page contiguity bit when unmapping pool 2022-07-12 16:35:15 +02:00
samples samples/landlock: Format with clang-format 2022-06-09 10:23:23 +02:00
scripts stddef: Introduce DECLARE_FLEX_ARRAY() helper 2022-07-12 16:35:03 +02:00
security fs: support mapped mounts of mapped filesystems 2022-07-02 16:41:17 +02:00
sound ASoC: codecs: rt700/rt711/rt711-sdca: resume bus/codec in .set_jack_detect 2022-07-12 16:35:12 +02:00
tools selftests: forwarding: fix error message in learning_test 2022-07-12 16:35:16 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Initialize debugfs_dentry when a VM is created to avoid NULL deref 2022-07-12 16:35:05 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Input: goodix - add a goodix.h header file 2022-07-12 16:34:51 +02:00
Makefile Compiler Attributes: add __alloc_size() for better bounds checking 2022-07-12 16:35:01 +02:00
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.