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Sean Christopherson 2626206963 KVM: x86: Set error code to segment selector on LLDT/LTR non-canonical #GP 
When injecting a #GP on LLDT/LTR due to a non-canonical LDT/TSS base, set
the error code to the selector.  Intel SDM's says nothing about the #GP,
but AMD's APM explicitly states that both LLDT and LTR set the error code
to the selector, not zero.

Note, a non-canonical memory operand on LLDT/LTR does generate a #GP(0),
but the KVM code in question is specific to the base from the descriptor.

Fixes: e37a75a13c ("KVM: x86: Emulator ignores LDTR/TR extended base on LLDT/LTR")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20220711232750.1092012-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2022-07-13 18:14:06 -07:00
arch KVM: x86: Set error code to segment selector on LLDT/LTR non-canonical #GP 2022-07-13 18:14:06 -07:00
block for-5.19/drivers-2022-06-02 2022-06-03 10:25:56 -07:00
certs Kbuild updates for v5.19 2022-05-26 12:09:50 -07:00
crypto This update includes the following changes: 2022-05-27 18:06:49 -07:00
Documentation KVM: x86: Tweak name of MONITOR/MWAIT #UD quirk to make it #UD specific 2022-07-13 18:14:05 -07:00
drivers fix for breakage in #work.fd this window 2022-06-05 17:14:03 -07:00
fs fix for breakage in #work.fd this window 2022-06-05 17:14:03 -07:00
include KVM: x86: Query vcpu->vcpu_idx directly and drop its accessor, again 2022-07-12 22:31:13 +00:00
init This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
ipc These changes update the ipc sysctls so that they are fundamentally 2022-06-03 15:54:57 -07:00
kernel KVM/riscv fixes for 5.19, take #1 2022-06-09 09:45:00 -04:00
lib Bitmap patches for 5.19-rc1 2022-06-04 14:04:27 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm Hot fixes for 5.19-rc1. 2022-06-05 17:05:38 -07:00
net bluetooth: don't use bitmaps for random flag accesses 2022-06-05 16:28:41 -07:00
samples drm for 5.19-rc1 2022-05-25 16:18:27 -07:00
scripts A set of objtool fixes: 2022-06-05 09:45:27 -07:00
security Cleanups (and one fix) around struct mount handling. 2022-06-04 19:00:05 -07:00
sound USB / Thunderbolt changes for 5.19-rc1 2022-06-03 11:17:49 -07:00
tools KVM: x86: Tweak name of MONITOR/MWAIT #UD quirk to make it #UD specific 2022-07-13 18:14:05 -07:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: debugfs: expose pid of vcpu threads 2022-06-24 12:44:33 -04:00
.clang-format clang-format: Fix space after for_each macros 2022-05-20 19:27:16 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Hot fixes for 5.19-rc1. 2022-06-05 17:05:38 -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
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: Limit KVM RISC-V entry to existing selftests 2022-06-09 09:18:22 +05:30
Makefile Linux 5.19-rc1 2022-06-05 17:18:54 -07:00
README

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.