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Peter Zijlstra 3c93ff4e23 x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value 
commit caa0ff24d5d0e02abce5e65c3d2b7f20a6617be5 upstream.

Due to TIF_SSBD and TIF_SPEC_IB the actual IA32_SPEC_CTRL value can
differ from x86_spec_ctrl_base. As such, keep a per-CPU value
reflecting the current task's MSR content.

  [jpoimboe: rename]

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-10-07 09:16:54 +02:00
arch
x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value
2022-10-07 09:16:54 +02:00
block
blk-mq: don't create hctx debugfs dir until q->debugfs_dir is created
2022-08-25 11:17:36 +02:00
certs
certs/blacklist_hashes.c: fix const confusion in certs blacklist
2022-06-22 14:11:22 +02:00
crypto
crypto: drbg - make reseeding from get_random_bytes() synchronous
2022-06-22 14:11:18 +02:00
Documentation
x86/bugs: Add AMD retbleed= boot parameter
2022-10-07 09:16:54 +02:00
drivers
x86/bugs: Report AMD retbleed vulnerability
2022-10-07 09:16:54 +02:00
fs
ntfs: fix BUG_ON in ntfs_lookup_inode_by_name()
2022-10-05 10:37:42 +02:00
include
x86/bugs: Report AMD retbleed vulnerability
2022-10-07 09:16:54 +02:00
init
random: handle latent entropy and command line from random_init()
2022-06-22 14:11:17 +02:00
ipc
ipc/mqueue: use get_tree_nodev() in mqueue_get_tree()
2022-06-14 18:11:41 +02:00
kernel
workqueue: don't skip lockdep work dependency in cancel_work_sync()
2022-09-28 11:04:09 +02:00
lib
lib/vdso: Mark do_hres() and do_coarse() as __always_inline
2022-09-05 10:27:47 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: fix madivse_pageout mishandling on non-LRU page
2022-10-05 10:37:43 +02:00
net
net: sched: fix possible refcount leak in tc_new_tfilter()
2022-09-28 11:04:07 +02:00
samples
samples/kretprobes: Fix return value if register_kretprobe() failed
2021-11-17 09:48:39 +01:00
scripts
mksysmap: Fix the mismatch of 'L0' symbols in System.map
2022-09-28 11:03:59 +02:00
security
apparmor: Fix memleak in aa_simple_write_to_buffer()
2022-08-25 11:18:21 +02:00
sound
ALSA: hda/realtek: Enable 4-speaker output Dell Precision 5530 laptop
2022-09-28 11:04:04 +02:00
tools
Revert "x86/speculation: Add RSB VM Exit protections"
2022-10-07 09:16:54 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: Add infrastructure and macro to mark VM as bugged
2022-08-25 11:18:16 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
MAINTAINERS: add Chandan as xfs maintainer for 5.4.y
2022-09-28 11:03:58 +02:00
Makefile
Linux 5.4.216
2022-10-05 10:37:45 +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.
Description
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