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Josh Poimboeuf 9756bba284 x86/speculation: Fill RSB on vmexit for IBRS

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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>

2022-06-27 10:34:00 +02:00

arch

x86/speculation: Fill RSB on vmexit for IBRS

2022-06-27 10:34:00 +02:00

block

block: remove WARN_ON() from bd_link_disk_holder

2022-06-23 07:48:05 -06:00

certs

Merge tag 'certs-20220621' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

2022-06-21 12:13:53 -05:00

crypto

Merge tag 'certs-20220621' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

2022-06-21 12:13:53 -05:00

Documentation

x86/bugs: Add retbleed=ibpb

2022-06-27 10:34:00 +02:00

drivers

intel_idle: Disable IBRS during long idle

2022-06-27 10:33:59 +02:00

Merge tag 'mm-hotfixes-stable-2022-06-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2022-06-26 14:00:55 -07:00

include

objtool: Re-add UNWIND_HINT_{SAVE_RESTORE}

2022-06-27 10:34:00 +02:00

init

gcc-12: disable '-Warray-bounds' universally for now

2022-06-09 10:11:12 -07:00

ipc

Merge tag 'per-namespace-ipc-sysctls-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2022-06-03 15:54:57 -07:00

kernel

Merge tag 'mm-hotfixes-stable-2022-06-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2022-06-26 14:00:55 -07:00

lib

Merge tag 'objtool-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2022-06-19 09:54:16 -05:00

LICENSES

LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers

2021-12-16 14:33:10 +01:00

Merge tag 'mm-hotfixes-stable-2022-06-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2022-06-26 14:00:55 -07:00

net

Merge tag 'net-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2022-06-23 09:01:01 -05:00

samples

fprobe, samples: Add use_trace option and show hit/missed counter

2022-06-17 21:53:29 +02:00

scripts

objtool: Add entry UNRET validation

2022-06-27 10:34:00 +02:00

security

selinux: free contexts previously transferred in selinux_add_opt()

2022-06-15 21:20:45 -04:00

sound

Merge tag 'sound-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2022-06-23 08:44:00 -05:00

tools

objtool: Re-add UNWIND_HINT_{SAVE_RESTORE}

2022-06-27 10:34:00 +02:00

usr

Merge tag 'mm-nonmm-stable-2022-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2022-05-27 11:22:03 -07:00

virt

KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking

2022-06-09 10:52:20 -04:00

.clang-format

clang-format: Fix space after for_each macros

2022-05-20 19:27:16 +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

kbuild: split the second line of *.mod into *.usyms

2022-05-08 03:16:59 +09:00

.mailmap

mailmap: add entry for Christian Marangi

2022-06-16 19:11:32 -07:00

COPYING

COPYING: state that all contributions really are covered by this file

2020-02-10 13:32:20 -08:00

CREDITS

MAINTAINERS: replace a Microchip AT91 maintainer

2022-02-09 11:30:01 +01:00

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

Merge tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

2022-06-26 14:12:56 -07:00

Makefile

Linux 5.19-rc4

2022-06-26 14:22:10 -07:00

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.