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Filename Latest commit message Latest commit date
Krish Sadhukhan 1ef23e1f16 KVM nVMX: Check Host Segment Registers and Descriptor Tables on vmentry of nested guests
According to section "Checks on Host Segment and Descriptor-Table
Registers" in Intel SDM vol 3C, the following checks are performed on
vmentry of nested guests:

   - In the selector field for each of CS, SS, DS, ES, FS, GS and TR, the
     RPL (bits 1:0) and the TI flag (bit 2) must be 0.
   - The selector fields for CS and TR cannot be 0000H.
   - The selector field for SS cannot be 0000H if the "host address-space
     size" VM-exit control is 0.
   - On processors that support Intel 64 architecture, the base-address
     fields for FS, GS and TR must contain canonical addresses.

Signed-off-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-07-05 14:01:51 +02:00
arch KVM nVMX: Check Host Segment Registers and Descriptor Tables on vmentry of nested guests 2019-07-05 14:01:51 +02:00
block
certs
crypto treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
Documentation Documentation: kvm: document CPUID bit for MSR_KVM_POLL_CONTROL 2019-07-02 18:57:29 +02:00
drivers Fix a soft lockup regression when reading from /dev/random in early boot 2019-05-26 08:30:16 -07:00
fs Bug fixes (including a regression fix) for ext4. 2019-05-25 15:03:12 -07:00
include KVM: X86: Yield to IPI target if necessary 2019-07-02 18:56:01 +02:00
init
ipc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 52 2019-05-24 17:36:42 +02:00
kernel Make the GCC 9 warning for sub struct memset go away. 2019-05-26 13:49:40 -07:00
lib for-linus-20190524 2019-05-24 16:02:14 -07:00
LICENSES
mm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 98 2019-05-24 17:37:54 +02:00
net SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
samples
scripts Devicetree fixes for 5.2: 2019-05-24 15:16:46 -07:00
security SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
sound treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 119 2019-05-24 17:39:02 +02:00
tools kvm: selftests: introduce aarch64_vcpu_add_default 2019-06-05 14:14:45 +02:00
usr
virt kvm: Convert kvm_lock to a mutex 2019-06-05 14:14:50 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS The usual smattering of fixes and tunings that came in too late for the 2019-05-26 13:45:15 -07:00
Makefile Linux 5.2-rc2 2019-05-26 16:49:19 -07:00
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.