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Chris Wilson b4e3c935b2 drm/i915: Save/restore irq state for vlv_residency_raw() 
Since commit 6060b6aec0 ("drm/i915/pmu: Add RC6 residency metrics"),
vlv_residency_raw() may be called from an irq-disabled context (via perf
event sampling on remote cpu). As such, we can no longer assume that we
are called from process context and must save/restore the irq state for
the spinlock.

Fixes: 6060b6aec0 ("drm/i915/pmu: Add RC6 residency metrics")
Testcase: igt/perf_pmu/other-init-3
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171122222510.22627-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2017-11-23 07:19:10 +00:00
arch Merge airlied/drm-next into drm-intel-next-queued 2017-11-14 07:43:00 -08:00
block
certs
crypto
Documentation drm/i915/guc: Rename i915_guc_submission.c|h to intel_guc_submission.c|h 2017-11-16 15:06:18 +00:00
drivers drm/i915: Save/restore irq state for vlv_residency_raw() 2017-11-23 07:19:10 +00:00
firmware
fs
include drm/i915/pmu: Add RC6 residency metrics 2017-11-22 11:25:06 +00:00
init
ipc
kernel
lib
mm
net
samples
scripts
security
sound Merge branch 'linus-4.14-rc4-acp-prereq' of git://people.freedesktop.org/~agd5f/linux into drm-next 2017-11-14 05:53:39 +10:00
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
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CREDITS
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MAINTAINERS MAINTAINERS: Update gvt-linux.git new repo place 2017-11-16 11:48:33 +08:00
Makefile
README

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.