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Peter Zijlstra 992d2fc2fe x86/nospec: Fix i386 RSB stuffing 
commit 3329249737 upstream.

Turns out that i386 doesn't unconditionally have LFENCE, as such the
loop in __FILL_RETURN_BUFFER isn't actually speculation safe on such
chips.

Fixes: ba6e31af2b ("x86/speculation: Add LFENCE to RSB fill sequence")
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/Yv9tj9vbQ9nNlXoY@worktop.programming.kicks-ass.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-08-31 17:16:50 +02:00
arch
x86/nospec: Fix i386 RSB stuffing
2022-08-31 17:16:50 +02:00
block
block: don't allow the same type rq_qos add more than once
2022-08-17 14:24:24 +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
x86/bugs: Add "unknown" reporting for MMIO Stale Data
2022-08-31 17:16:47 +02:00
drivers
binder_alloc: add missing mmap_lock calls when using the VMA
2022-08-31 17:16:50 +02:00
fs
io_uring: fix issue with io_write() not always undoing sb_start_write()
2022-08-31 17:16:49 +02:00
include
Revert "memcg: cleanup racy sum avoidance code"
2022-08-31 17:16:48 +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
kernel/sys_ni: add compat entry for fadvise64_64
2022-08-31 17:16:33 +02:00
lib
ratelimit: Fix data-races in ___ratelimit().
2022-08-31 17:16:43 +02:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
mm/hugetlb: fix hugetlb not supporting softdirty tracking
2022-08-31 17:16:49 +02:00
net
mptcp: Fix crash due to tcp_tsorted_anchor was initialized before release skb
2022-08-31 17:16:50 +02:00
samples
samples/landlock: Format with clang-format
2022-06-09 10:23:23 +02:00
scripts
modules: Ensure natural alignment for .altinstructions and __bug_table sections
2022-08-25 11:40:41 +02:00
security
apparmor: Fix memleak in aa_simple_write_to_buffer()
2022-08-25 11:40:01 +02:00
sound
ALSA: control: Use deferred fasync helper
2022-08-25 11:40:44 +02:00
tools
selftests/kprobe: Do not test for GRP/ without event failures
2022-08-25 11:40:38 +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
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.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
Linux 5.15.63
2022-08-25 11:40:49 +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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