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Filename Latest commit message Latest commit date
Erico Nunes 0d60c43df5 drm/lima: fix shared irq handling on driver remove
[ Upstream commit a6683c690bbfd1f371510cb051e8fa49507f3f5e ]

lima uses a shared interrupt, so the interrupt handlers must be prepared
to be called at any time. At driver removal time, the clocks are
disabled early and the interrupts stay registered until the very end of
the remove process due to the devm usage.
This is potentially a bug as the interrupts access device registers
which assumes clocks are enabled. A crash can be triggered by removing
the driver in a kernel with CONFIG_DEBUG_SHIRQ enabled.
This patch frees the interrupts at each lima device finishing callback
so that the handlers are already unregistered by the time we fully
disable clocks.

Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240401224329.1228468-2-nunes.erico@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-18 11:40:47 +02:00
arch arm64: dts: rockchip: Add sound-dai-cells for RK3368 2024-07-05 09:08:32 +02:00
block
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:28:51 +02:00
Documentation ASoC: dt-bindings: rt5645: add cbj sleeve gpio property 2024-06-16 13:28:31 +02:00
drivers drm/lima: fix shared irq handling on driver remove 2024-07-18 11:40:47 +02:00
fs nfs: Leave pages in the pagecache if readpage failed 2024-07-05 09:08:32 +02:00
include Compiler Attributes: Add __uninitialized macro 2024-07-18 11:40:47 +02:00
init
ipc
kernel perf/core: Fix missing wakeup when waiting for context reference 2024-07-05 09:08:25 +02:00
lib dyndbg: fix old BUG_ON in >control parser 2024-05-17 11:43:55 +02:00
LICENSES
mm x86/mm/pat: fix VM_PAT handling in COW mappings 2024-04-13 12:51:40 +02:00
net tcp: Fix data races around icsk->icsk_af_ops. 2024-07-05 09:08:32 +02:00
samples
scripts kconfig: fix comparison to constant symbols, 'm', 'n' 2024-06-16 13:28:47 +02:00
security
sound ALSA: emux: improve patch ioctl data validation 2024-07-05 09:08:28 +02:00
tools selftests/bpf: Prevent client connect before server bind in test_tc_tunnel.sh 2024-07-05 09:08:20 +02:00
usr
virt KVM: async_pf: Cleanup kvm_setup_async_pf() 2024-05-02 16:18:32 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.279 2024-07-05 09:08:32 +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.