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Filename Latest commit message Latest commit date
Dmitry Osipenko 164e88024f dmaengine: pl330: Fix lockdep warning about non-static key 
commit b64b3b2f1d81f83519582e1feee87d77f51f5f17 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 16:30:50 +02:00
arch ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt 2022-07-12 16:30:48 +02:00
block block: fix bio_clone_blkg_association() to associate with proper blkcg_gq 2022-06-14 18:11:50 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:11:22 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-22 14:11:18 +02:00
Documentation dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo 2022-07-12 16:30:49 +02:00
drivers dmaengine: pl330: Fix lockdep warning about non-static key 2022-07-12 16:30:50 +02:00
fs xfs: remove incorrect ASSERT in xfs_rename 2022-07-12 16:30:48 +02:00
include misc: rtsx_usb: use separate command and response buffers 2022-07-12 16:30:49 +02:00
init random: handle latent entropy and command line from random_init() 2022-06-22 14:11:17 +02:00
ipc ipc/mqueue: use get_tree_nodev() in mqueue_get_tree() 2022-06-14 18:11:41 +02:00
kernel kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add] 2022-07-02 16:28:50 +02:00
lib ida: don't use BUG_ON() for debugging 2022-07-12 16:30:49 +02:00
LICENSES
mm mm/slub: add missing TID updates on slab deactivation 2022-07-12 16:30:46 +02:00
net net: rose: fix UAF bug caused by rose_t0timer_expiry 2022-07-12 16:30:46 +02:00
samples samples/kretprobes: Fix return value if register_kretprobe() failed 2021-11-17 09:48:39 +01:00
scripts modpost: fix section mismatch check for exported init/exit sections 2022-06-29 08:58:49 +02:00
security efi: Do not import certificates from UEFI Secure Boot for T2 Macs 2022-06-14 18:11:44 +02:00
sound ALSA: hda/realtek: Add quirk for Clevo PD70PNT 2022-06-29 08:58:44 +02:00
tools selftests: forwarding: fix error message in learning_test 2022-07-12 16:30:49 +02:00
usr
virt KVM: Prevent module exit until all VMs are freed 2022-04-15 14:18:27 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
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COPYING
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MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-22 14:11:05 +02:00
Makefile Linux 5.4.204 2022-07-07 17:36:53 +02:00
README

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.