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| author | Jean-Philippe Brucker <jean-philippe.brucker@arm.com> | 2019-04-08 18:17:19 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-22 07:37:36 +0200 |
| commit | d8d751efec2819ec6d4fdfc04b20e4f67f0c157e (patch) | |
| tree | e0ea4e5439c373d18c149dfd917759beb9357c0d /Kbuild | |
| parent | f273cd16554a92ea746cf117a126ff5be8c54794 (diff) | |
| download | linux-stable-d8d751efec2819ec6d4fdfc04b20e4f67f0c157e.tar.gz linux-stable-d8d751efec2819ec6d4fdfc04b20e4f67f0c157e.tar.bz2 linux-stable-d8d751efec2819ec6d4fdfc04b20e4f67f0c157e.zip | |
arm64: Save and restore OSDLR_EL1 across suspend/resume
commit 827a108e354db633698f0b4a10c1ffd2b1f8d1d0 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions