| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 501/545] KVM: SVM: Drop VMXE check from svm_set_cr4() | Date | Fri, 19 Aug 2022 17:44:31 +0200 |
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From: Sean Christopherson <sean.j.christopherson@intel.com>
[ Upstream commit 311a06593b9a3944a63ed176b95cb8d857f7c83b ]
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> --- arch/x86/kvm/svm/svm.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 184e68e7eedf..9bc166a5d453 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -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); -- 2.35.1
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