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KVM: SVM: Drop VMXE check from svm_set_cr4()

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[ Upstream commit 311a06593b ]

Drop svm_set_cr4()'s explicit check CR4.VMXE now that common x86 handles
the check by incorporating VMXE into the CR4 reserved bits, via
kvm_cpu_caps.  SVM obviously does not set X86_FEATURE_VMX.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20201007014417.29276-4-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sean Christopherson
2020-10-06 18:44:14 -07:00
committed by Greg Kroah-Hartman
parent da7f731f2e
commit 2f04a04d06
1 changed files with 0 additions and 3 deletions
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3
arch/x86/kvm/svm/svm.c
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@@ -1697,9 +1697,6 @@ int svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
unsigned long host_cr4_mce = cr4_read_shadow() & X86_CR4_MCE;
unsigned long old_cr4 = to_svm(vcpu)->vmcb->save.cr4;
if (cr4 & X86_CR4_VMXE)
return 1;
if (npt_enabled && ((old_cr4 ^ cr4) & X86_CR4_PGE))
svm_flush_tlb(vcpu);