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[08/15] KVM: SVM: Remove useless check in svm_load_mmu_pgd()

Message ID 20211108124407.12187-9-jiangshanlai@gmail.com (mailing list archive)
State New, archived
Headers show
Series KVM: X86: Fix and clean up for register caches | expand

Commit Message

Lai Jiangshan Nov. 8, 2021, 12:44 p.m. UTC 
From: Lai Jiangshan <laijs@linux.alibaba.com>

VCPU_EXREG_CR3 is never cleared from vcpu->arch.regs_avail in SVM so
the if-branch is always false and useless, just remove it.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
---
 arch/x86/kvm/svm/svm.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e3607fa025d3..b7da66935e72 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -4000,8 +4000,6 @@  static void svm_load_mmu_pgd(struct kvm_vcpu *vcpu, hpa_t root_hpa,
 
 		hv_track_root_tdp(vcpu, root_hpa);
 
-		if (!test_bit(VCPU_EXREG_CR3, (ulong *)&vcpu->arch.regs_avail))
-			return;
 		cr3 = vcpu->arch.cr3;
 	} else if (vcpu->arch.mmu->shadow_root_level >= PT64_ROOT_4LEVEL) {
 		cr3 = __sme_set(root_hpa) | kvm_get_active_pcid(vcpu);