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Filename Latest commit message Latest commit date
Kai Vehmanen f99f4372f5 ALSA: hda: enable regmap internal locking
[ Upstream commit 8e85def5723eccea30ebf22645673692ab8cb3e2 ]

This reverts commit 42ec336f1f9d ("ALSA: hda: Disable regmap
internal locking").

Without regmap locking, there is a race between snd_hda_codec_amp_init()
and PM callbacks issuing regcache_sync(). This was caught by
following kernel warning trace:

<4> [358.080081] WARNING: CPU: 2 PID: 4157 at drivers/base/regmap/regcache.c:498 regcache_cache_only+0xf5/0x130
[...]
<4> [358.080148] Call Trace:
<4> [358.080158]  snd_hda_codec_amp_init+0x4e/0x100 [snd_hda_codec]
<4> [358.080169]  snd_hda_codec_amp_init_stereo+0x40/0x80 [snd_hda_codec]

Suggested-by: Takashi Iwai <tiwai@suse.de>
BugLink: https://gitlab.freedesktop.org/drm/intel/issues/592
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200108180856.5194-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:17:24 +02:00
arch arm64: insn: consistently handle exit text 2020-10-01 13:17:23 +02:00
block block: only call sched requeue_request() for scheduled requests 2020-09-23 12:40:37 +02:00
certs
crypto crypto: af_alg - Work around empty control messages without MSG_MORE 2020-09-03 11:27:05 +02:00
Documentation affs: fix basic permission bits to actually work 2020-09-09 19:12:34 +02:00
drivers drm/amdgpu: fix calltrace during kmd unload(v3) 2020-10-01 13:17:22 +02:00
fs xfs: fix log reservation overflows when allocating large rt extents 2020-10-01 13:17:24 +02:00
include SUNRPC: Capture completion of all RPC tasks 2020-10-01 13:17:21 +02:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:20:34 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel module: Remove accidental change of module_enable_x() 2020-10-01 13:17:24 +02:00
lib kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() 2020-10-01 13:17:10 +02:00
LICENSES
mm mm: fix double page fault on arm64 if PTE_AF is cleared 2020-10-01 13:17:12 +02:00
net SUNRPC: Capture completion of all RPC tasks 2020-10-01 13:17:21 +02:00
samples bpf: Fix fds_example SIGSEGV error 2020-08-19 08:16:03 +02:00
scripts checkpatch: fix the usage of capture group ( ... ) 2020-09-09 19:12:37 +02:00
security selinux: allow labeling before policy is loaded 2020-10-01 13:17:10 +02:00
sound ALSA: hda: enable regmap internal locking 2020-10-01 13:17:24 +02:00
tools selftests/bpf: De-flake test_tcpbpf 2020-10-01 13:17:23 +02:00
usr
virt KVM: arm/arm64: vgic: Fix potential double free dist->spis in __kvm_vgic_destroy() 2020-10-01 13:17:23 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2020-08-26 10:40:46 +02:00
Makefile Linux 5.4.68 2020-09-26 18:03:16 +02:00
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.