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| author | Michael Kelley <[email protected]> | 2018-11-04 03:48:54 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-11-04 10:04:46 +0000 |
| commit | 35b69a420bfb56b7b74cb635ea903db05e357bec (patch) | |
| tree | 61e86bf8c336ee41ba3c5f0cc4fa1fbed3686cc7 /tools/perf/scripts/python/futex-contention.py | |
| parent | Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
| download | kernel-35b69a420bfb56b7b74cb635ea903db05e357bec.tar.gz kernel-35b69a420bfb56b7b74cb635ea903db05e357bec.zip | |
clockevents/drivers/i8253: Add support for PIT shutdown quirk
Add support for platforms where pit_shutdown() doesn't work because of a
quirk in the PIT emulation. On these platforms setting the counter register
to zero causes the PIT to start running again, negating the shutdown.
Provide a global variable that controls whether the counter register is
zero'ed, which platform specific code can override.
Signed-off-by: Michael Kelley <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: vkuznets <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Cc: KY Srinivasan <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
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