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Giovanni Cabiddu eb94a34c27 crypto: qat - add shutdown handler to qat_c62x 
commit a9a6e9279b upstream.

During a warm reset via kexec, the system bypasses the driver removal
sequence, meaning that the remove() callback is not invoked.
If a QAT device is not shutdown properly, the device driver will fail to
load in a newly rebooted kernel.

This might result in output like the following after the kexec reboot:

    QAT: AE0 is inactive!!
    QAT: failed to get device out of reset
    c6xx 0000:3f:00.0: qat_hal_clr_reset error
    c6xx 0000:3f:00.0: Failed to init the AEs
    c6xx 0000:3f:00.0: Failed to initialise Acceleration Engine
    c6xx 0000:3f:00.0: Resetting device qat_dev0
    c6xx 0000:3f:00.0: probe with driver c6xx failed with error -14

Implement the shutdown() handler that hooks into the reboot notifier
list. This brings down the QAT device and ensures it is shut down
properly.

Cc: <stable@vger.kernel.org>
Fixes: a6dabee6c8 ("crypto: qat - add support for c62x accel type")
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-06-27 11:11:13 +01:00
arch x86/fred/signal: Prevent immediate repeat of single step trap on return from SIGTRAP handler 2025-06-19 15:32:37 +02:00
block block: don't use submit_bio_noacct_nocheck in blk_zone_wplug_bio_work 2025-06-19 15:32:33 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: api - Redo lookup on EEXIST 2025-06-19 15:31:30 +02:00
Documentation regulator: dt-bindings: mt6357: Drop fixed compatible requirement 2025-06-19 15:32:37 +02:00
drivers crypto: qat - add shutdown handler to qat_c62x 2025-06-27 11:11:13 +01:00
fs gfs2: move msleep to sleepable context 2025-06-27 11:11:12 +01:00
include overflow: Introduce __DEFINE_FLEX for having no initializer 2025-06-19 15:32:37 +02:00
init rust: clean Rust 1.88.0's unnecessary_transmutes lint 2025-05-18 08:24:51 +02:00
io_uring io_uring: consistently use rcu semantics with sqpoll thread 2025-06-19 15:32:33 +02:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-05 14:03:02 +01:00
kernel ring-buffer: Move cpus_read_lock() outside of buffer->mutex 2025-06-19 15:32:36 +02:00
lib iov_iter: use iov_offset for length calculation in iov_iter_aligned_bvec 2025-06-19 15:32:21 +02:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm page_pool: Move pp_magic check into helper functions 2025-06-19 15:31:42 +02:00
net calipso: unlock rcu before returning -EAFNOSUPPORT 2025-06-19 15:32:37 +02:00
rust rust: alloc: add missing invariant in Vec::set_len() 2025-06-19 15:32:09 +02:00
samples samples/bpf: Fix compilation failure for samples/bpf on LoongArch Fedora 2025-05-29 11:02:01 +02:00
scripts randstruct: gcc-plugin: Fix attribute addition 2025-06-19 15:32:04 +02:00
security smack: Revert "smackfs: Added check catlen" 2025-05-29 11:02:48 +02:00
sound ALSA: usb-audio: Add implicit feedback quirk for RODE AI-1 2025-06-19 15:32:34 +02:00
tools tools/resolve_btfids: Fix build when cross compiling kernel with clang. 2025-06-19 15:32:33 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 13:02:18 +01:00
virt KVM: Add member to struct kvm_gfn_range to indicate private/shared 2025-05-22 14:29:36 +02:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-18 08:24:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore rust: introduce .clippy.toml 2025-03-13 13:01:42 +01:00
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.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 MAINTAINERS: Remove self from DSA entry 2024-11-03 12:52:38 -08:00
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 MAINTAINERS: Update Alexey Makhalov's email address 2025-05-22 14:29:46 +02:00
Makefile Linux 6.12.34 2025-06-19 15:32:38 +02:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.