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Nicholas Piggin 101dd590a7 powerpc/perf: Avoid spurious PMU interrupts after idle

POWER9 DD2 can see spurious PMU interrupts after state-loss idle in
some conditions.

A solution is to save and reload MMCR0 over state-loss idle.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Tested-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

2017-07-18 11:45:47 +10:00

arch

powerpc/perf: Avoid spurious PMU interrupts after idle

2017-07-18 11:45:47 +10:00

block

Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-06 20:57:13 -07:00

certs

scripts/spelling.txt: add "intialise(d)" pattern and fix typo instances

2017-05-08 17:15:13 -07:00

crypto

Merge tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma

2017-07-08 12:36:50 -07:00

Documentation

Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

2017-07-09 18:48:37 -07:00

drivers

Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

2017-07-09 18:48:37 -07:00

firmware

firmware/Makefile: force recompilation if makefile changes

2017-05-08 17:15:10 -07:00

afs: Add metadata xattrs

2017-07-09 14:40:12 -07:00

include

Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

2017-07-09 18:48:37 -07:00

init

mm: allow slab_nomerge to be set at build time

2017-07-06 16:24:31 -07:00

ipc

mqueue: fix a use-after-free in sys_mq_notify()

2017-07-09 14:37:19 -07:00

kernel

Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-07-09 11:16:19 -07:00

lib

Merge tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma

2017-07-08 12:36:50 -07:00

Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

2017-07-08 12:17:25 -07:00

net

mpls: fix uninitialized in_label var warning in mpls_getroute

2017-07-08 11:26:41 +01:00

samples

bpf: fix return in load_bpf_file

2017-07-05 09:05:28 +01:00

scripts

Merge tag 'kbuild-thinar-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2017-07-07 15:11:12 -07:00

security

Merge branch 'work.memdup_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-05 16:05:24 -07:00

sound

Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

2017-07-09 18:48:37 -07:00

tools

Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-07-09 10:49:47 -07:00

usr

ramfs: clarify help text that compression applies to ramfs as well as legacy ramdisk.

2017-07-06 16:24:30 -07:00

virt

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2017-07-06 18:38:31 -07:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

Add hch to .get_maintainer.ignore

2015-08-21 14:30:10 -07:00

.gitattributes

.gitattributes: set git diff driver for C source code files

2016-10-07 18:46:30 -07:00

.gitignore

kbuild: Add support to generate LLVM assembly files

2017-04-25 08:13:52 +09:00

.mailmap

Merge tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

2017-05-12 12:02:21 -07:00

COPYING

[PATCH] update FSF address in COPYING

2005-09-10 10:06:29 -07:00

CREDITS

avr32: remove support for AVR32 architecture

2017-05-01 09:27:15 +02:00

Kbuild

kbuild: Consolidate header generation from ASM offset information

2017-04-13 05:43:37 +09:00

Kconfig

kbuild: migrate all arch to the kconfig mainmenu upgrade

2010-09-19 22:54:11 -04:00

MAINTAINERS

Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

2017-07-09 18:48:37 -07:00

Makefile

Merge tag 'kbuild-thinar-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2017-07-07 15:11:12 -07:00

README

README: add a new README file, pointing to the Documentation/

2016-10-24 08:12:35 -02:00

README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.