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Marc Zyngier f6c3e24fb7 KVM: arm64: vgic: Let an interrupt controller advertise lack of HW deactivation
The vGIC, as architected by ARM, allows a virtual interrupt to
trigger the deactivation of a physical interrupt. This allows
the following interrupt to be delivered without requiring an exit.

However, some implementations have choosen not to implement this,
meaning that we will need some unsavoury workarounds to deal with this.

On detecting such a case, taint the kernel and spit a nastygram.
We'll deal with this in later patches.

Signed-off-by: Marc Zyngier <maz@kernel.org>
2021-06-01 10:45:59 +01:00
arch KVM: arm64: vgic: Let an interrupt controller advertise lack of HW deactivation 2021-06-01 10:45:59 +01:00
block block-5.13-2021-05-22 2021-05-22 07:40:34 -10:00
certs
crypto
Documentation Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2021-05-29 18:24:00 -10:00
drivers irqchip/gic: Split vGIC probing information from the GIC code 2021-06-01 10:45:58 +01:00
fs Fixes for 5.13-rc4: 2021-05-29 17:47:19 -10:00
include KVM: arm64: vgic: Let an interrupt controller advertise lack of HW deactivation 2021-06-01 10:45:59 +01:00
init
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-22 15:09:07 -10:00
kernel seccomp fixes for v5.13-rc4 2021-05-29 18:16:09 -10:00
lib Merge branch 'for-5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu 2021-05-27 12:01:26 -10:00
LICENSES
mm userfaultfd: hugetlbfs: fix new flag usage in error path 2021-05-22 15:09:07 -10:00
net NFS client bugfixes for Linux 5.13 2021-05-28 08:53:19 -10:00
samples
scripts
security
sound sound fixes for 5.12-rc4 2021-05-28 08:47:50 -10:00
tools ARM fixes: 2021-05-29 06:02:25 -10:00
usr
virt KVM: VMX: update vcpu posted-interrupt descriptor when assigning device 2021-05-27 07:58:23 -04:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2021-05-29 18:24:00 -10:00
Makefile Linux 5.13-rc4 2021-05-30 11:58:25 -10:00
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.