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| author | Tom Lendacky <thomas.lendacky@amd.com> | 2021-02-01 21:26:27 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-02-02 18:25:05 +0300 |
| commit | 62a08a7193dc9107904aaa51a04ba3ba2959f745 (patch) | |
| tree | c99ef8b81224ce4c1069e93137b45da1a358bd7b /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | 1048ba83fb1c00cd24172e23e8263972f6b5d9ac (diff) | |
| download | linux-62a08a7193dc9107904aaa51a04ba3ba2959f745.tar.xz | |
x86/sev-es: Do not unroll string I/O for SEV-ES guests
Under the GHCB specification, SEV-ES guests can support string I/O.
The current #VC handler contains this support, so remove the need to
unroll kernel string I/O operations. This will reduce the number of #VC
exceptions generated as well as the number VM exits for the guest.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/3de04b5b638546ac75d42ba52307fe1a922173d3.1612203987.git.thomas.lendacky@amd.com
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions