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(parent: 7e8e6ee) | patch
KVM: SVM: check CR4 changes against vcpu->arch
authorPaolo Bonzini <pbonzini@redhat.com>
Sun, 15 Nov 2020 14:44:18 +0000 (09:44 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 16 Nov 2020 18:14:22 +0000 (13:14 -0500)
commitdc924b062488a0376aae41d3e0a27dc99f852a5e
tree36a65c5fb1350bfb7c2d7266dfc0a8d7299b7e05tree | snapshot
parent7e8e6eed75e290526d5c98d023e88b141e2c93eccommit | diff
KVM: SVM: check CR4 changes against vcpu->arch

Similarly to what vmx/vmx.c does, use vcpu->arch.cr4 to check if CR4
bits PGE, PKE and OSXSAVE have changed.  When switching between VMCB01
and VMCB02, CPUID has to be adjusted every time if CR4.PKE or CR4.OSXSAVE
change; without this patch, instead, CR4 would be checked against the
previous value for L2 on vmentry, and against the previous value for
L1 on vmexit, and CPUID would not be updated.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/svm/svm.c diff | blob | history
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