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Geert Uytterhoeven 415eb9fc0e vfio: platform: Fix using devices in PM Domains
If a device is part of a PM Domain (e.g. power and/or clock domain), its
power state is managed using Runtime PM.  Without Runtime PM, the device
may not be powered up or clocked, causing subtle failures, crashes, or
system lock-ups when the device is accessed by the guest.

Fix this by adding Runtime PM support, powering the device when the VFIO
device is opened by the guest.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-06-08 10:24:37 -06:00
arch Final MIPS fixes for 4.17 2018-06-02 10:12:23 -07:00
block
certs
crypto
Documentation vfio/mdev: Check globally for duplicate devices 2018-06-08 10:24:27 -06:00
drivers vfio: platform: Fix using devices in PM Domains 2018-06-08 10:24:37 -06:00
firmware
fs Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-03 11:01:28 -07:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-02 17:35:53 -07:00
init init/main.c: include <linux/mem_encrypt.h> 2018-05-25 18:12:11 -07:00
ipc ipc/shm: fix shmat() nil address after round-down when remapping 2018-05-25 18:12:11 -07:00
kernel Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-03 09:01:41 -07:00
lib idr: fix invalid ptr dereference on item delete 2018-05-25 18:12:10 -07:00
LICENSES
mm mm: fix the NULL mapping case in __isolate_lru_page() 2018-06-02 09:33:47 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-02 17:35:53 -07:00
samples sample: vfio bochs vbe display (host device for bochs-drm) 2018-06-08 10:24:16 -06:00
scripts checkpatch: fix macro argument precedence test 2018-05-25 18:12:11 -07:00
security selinux/stable-4.17 PR 20180530 2018-05-30 16:35:07 -05:00
sound ALSA: hda - Fix runtime PM 2018-05-24 20:16:47 +02:00
tools Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-03 08:58:59 -07:00
usr
virt KVM: arm/arm64: VGIC/ITS save/restore: protect kvm_read_guest() calls 2018-05-15 13:36:53 +02:00
.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 2018-06-02 09:52:22 -07:00
Makefile Linux 4.17 2018-06-03 14:15:21 -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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.