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(parent: 5313bfe) | patch
cgroup: make TRACE_CGROUP_PATH irq-safe
authorRoman Gushchin <guro@fb.com>
Fri, 19 Apr 2019 17:03:07 +0000 (10:03 -0700)
committerTejun Heo <tj@kernel.org>
Fri, 19 Apr 2019 18:26:49 +0000 (11:26 -0700)
commit712e35178754bbb785d00d5fcf5abaf32699bf11
tree8d6e3db1624240797389574e0a5f62b4df2521d4tree
parent5313bfe425c8aadc582356f575100f3235a6d638commit | diff
cgroup: make TRACE_CGROUP_PATH irq-safe

To use the TRACE_CGROUP_PATH() macro with css_set_lock
locked, let's make the macro irq-safe.
It's necessary in order to trace cgroup freezer state
transitions (frozen/not frozen), which are happening
with css_set_lock locked.

Signed-off-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/cgroup/cgroup-internal.h diff | blob | blame | history
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