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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2019-12-04 15:50:27 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-01-08 17:33:12 +0100 |
| commit | 7adacf5eb2d2048045d9fd8fdab861fd9e7e2e96 (patch) | |
| tree | bd7de712b726a307d666a1877c9ce3be3caf9e10 /virt/kvm/kvm_main.c | |
| parent | Linux 5.5-rc5 (diff) | |
| download | linux-dev-7adacf5eb2d2048045d9fd8fdab861fd9e7e2e96.tar.xz linux-dev-7adacf5eb2d2048045d9fd8fdab861fd9e7e2e96.zip | |
KVM: x86: use CPUID to locate host page table reserved bits
The comment in kvm_get_shadow_phys_bits refers to MKTME, but the same is actually
true of SME and SEV. Just use CPUID[0x8000_0008].EAX[7:0] unconditionally if
available, it is simplest and works even if memory is not encrypted.
Cc: stable@vger.kernel.org
Reported-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt/kvm/kvm_main.c')
0 files changed, 0 insertions, 0 deletions