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author | Jean-Philippe Brucker <jean-philippe.brucker@arm.com> | 2019-04-08 18:17:19 +0100 |
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committer | Will Deacon <will.deacon@arm.com> | 2019-04-09 12:39:13 +0100 |
commit | 827a108e354db633698f0b4a10c1ffd2b1f8d1d0 (patch) | |
tree | 2931dfa38b16416f454d9091cbd8c4ff0d9b081e /tools/perf/scripts/python/stackcollapse.py | |
parent | 6fda41bf12615ee7c3ddac88155099b1a8cf8d00 (diff) |
arm64: Save and restore OSDLR_EL1 across suspend/resume
When the CPU comes out of suspend, the firmware may have modified the OS
Double Lock Register. Save it in an unused slot of cpu_suspend_ctx, and
restore it on resume.
Cc: <stable@vger.kernel.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions