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| author |   Babu Moger <babu.moger@amd.com> | 2021-01-28 18:43:22 -0600 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-03-15 04:43:25 -0400 |
| commit | f333374e108e7e4cd104591035c9e24ba050706d (patch) | |
| tree | 19ccf484cb92ee496f6a99a5b4241530b4c9d522 /arch/x86/kvm/svm/nested.c | |
| parent | KVM: nSVM: always use vmcb01 to for vmsave/vmload of guest state (diff) | |
| download | linux-dev-f333374e108e7e4cd104591035c9e24ba050706d.tar.xz linux-dev-f333374e108e7e4cd104591035c9e24ba050706d.zip | |
x86/cpufeatures: Add the Virtual SPEC_CTRL feature
Newer AMD processors have a feature to virtualize the use of the
SPEC_CTRL MSR. Presence of this feature is indicated via CPUID
function 0x8000000A_EDX[20]: GuestSpecCtrl. When present, the
SPEC_CTRL MSR is automatically virtualized.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Message-Id: <161188100272.28787.4097272856384825024.stgit@bmoger-ubuntu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/nested.c')
0 files changed, 0 insertions, 0 deletions