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Alexander Gordeev 4b198c41d7 s390/boot: fix absolute zero lowcore corruption on boot 
[ Upstream commit 12dd19c159 ]

Crash dump always starts on CPU0. In case CPU0 is offline the
prefix page is not installed and the absolute zero lowcore is
used. However, struct lowcore::mcesad is never assigned and
stays zero. That leads to __machine_kdump() -> save_vx_regs()
call silently stores vector registers to the absolute lowcore
at 0x11b0 offset.

Fixes: a62bc07392 ("s390/kdump: add support for vector extension")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-09-15 11:30:07 +02:00
arch
s390/boot: fix absolute zero lowcore corruption on boot
2022-09-15 11:30:07 +02:00
block
blk-mq: fix io hung due to missing commit_rqs
2022-08-31 17:16:50 +02:00
certs
certs/blacklist_hashes.c: fix const confusion in certs blacklist
2022-06-22 14:22:01 +02:00
crypto
KEYS: asymmetric: enforce SM2 signature use pkey algo
2022-08-17 14:24:28 +02:00
Documentation
arm64: errata: Add Cortex-A510 to the repeat tlbi list
2022-09-05 10:30:04 +02:00
drivers
iommu/amd: use full 64-bit value in build_completion_wait()
2022-09-15 11:30:07 +02:00
fs
erofs: fix pcluster use-after-free on UP platforms
2022-09-15 11:30:06 +02:00
include
tcp: TX zerocopy should not sense pfmemalloc status
2022-09-15 11:30:05 +02:00
init
stack: Declare {randomize_,}kstack_offset to fix Sparse warnings
2022-08-17 14:23:10 +02:00
ipc
ipc/mqueue: use get_tree_nodev() in mqueue_get_tree()
2022-06-09 10:23:10 +02:00
kernel
swiotlb: avoid potential left shift overflow
2022-09-15 11:30:07 +02:00
lib
crypto: lib - remove unneeded selection of XOR_BLOCKS
2022-09-05 10:30:03 +02:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
Revert "mm: kmemleak: take a full lowmem check in kmemleak_*_phys()"
2022-09-15 11:30:00 +02:00
net
sch_sfb: Also store skb len before calling child enqueue
2022-09-15 11:30:06 +02:00
samples
samples/landlock: Format with clang-format
2022-06-09 10:23:23 +02:00
scripts
kbuild: fix up permissions on scripts/pahole-flags.sh
2022-09-08 12:30:36 +02:00
security
apparmor: Fix memleak in aa_simple_write_to_buffer()
2022-08-25 11:40:01 +02:00
sound
ASoC: mchp-spdiftx: Fix clang -Wbitfield-constant-conversion
2022-09-15 11:30:07 +02:00
tools
perf script: Fix Cannot print 'iregs' field for hybrid systems
2022-09-15 11:30:06 +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: Unconditionally get a ref to /dev/kvm module when creating a VM
2022-08-25 11:39:53 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
…
.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
kbuild: disable header exports for UML in a straightforward way
2022-09-15 11:30:07 +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.
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