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Josh Poimboeuf 17a9fc4a7b x86/speculation: Fill RSB on vmexit for IBRS 
commit 9756bba28470722dacb79ffce554336dd1f6a6cd upstream.

Prevent RSB underflow/poisoning attacks with RSB.  While at it, add a
bunch of comments to attempt to document the current state of tribal
knowledge about RSB attacks and what exactly is being mitigated.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.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 09:16:56 +02:00
arch
x86/speculation: Fill RSB on vmexit for IBRS
2022-10-07 09:16:56 +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/speculation: Add spectre_v2=ibrs option to support Kernel IBRS
2022-10-07 09:16:55 +02:00
drivers
intel_idle: Disable IBRS during long idle
2022-10-07 09:16:55 +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
No description provided
Readme 5.7 GiB
Languages
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Assembly 1%
Shell 0.5%
Python 0.3%
Makefile 0.3%