diff options
| author | Wei Huang <[email protected]> | 2021-01-26 03:18:30 -0500 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2021-02-04 05:27:28 -0500 |
| commit | 3b9c723ed7cfa4e1eef338afaa57e94be2a60d9c (patch) | |
| tree | 431e6962e29bca958317569f7b820c95fed7d3f2 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 82a11e9c6fa2b50a7fff542fb782359dc1eab6bf (diff) | |
KVM: SVM: Add support for SVM instruction address check change
New AMD CPUs have a change that checks #VMEXIT intercept on special SVM
instructions before checking their EAX against reserved memory region.
This change is indicated by CPUID_0x8000000A_EDX[28]. If it is 1, #VMEXIT
is triggered before #GP. KVM doesn't need to intercept and emulate #GP
faults as #GP is supposed to be triggered.
Co-developed-by: Bandan Das <[email protected]>
Signed-off-by: Bandan Das <[email protected]>
Signed-off-by: Wei Huang <[email protected]>
Reviewed-by: Maxim Levitsky <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions