diff options
| author | Borislav Petkov <[email protected]> | 2022-11-14 12:44:01 +0100 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-11-15 10:15:58 -0800 |
| commit | 2632daebafd04746b4b96c2f26a6021bc38f6209 (patch) | |
| tree | c1d8dc14cd5d8ea8d68bb3dc926b715a33fb16ce /tools/perf/scripts/python/flamegraph.py | |
| parent | e01d50cbd6eece456843717a566a34e8b926cf0c (diff) | |
x86/cpu: Restore AMD's DE_CFG MSR after resume
DE_CFG contains the LFENCE serializing bit, restore it on resume too.
This is relevant to older families due to the way how they do S3.
Unify and correct naming while at it.
Fixes: e4d0e84e4907 ("x86/cpu/AMD: Make LFENCE a serializing instruction")
Reported-by: Andrew Cooper <[email protected]>
Reported-by: Pawan Gupta <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Cc: <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions