diff options
| author | Xiaoyao Li <[email protected]> | 2023-04-10 08:50:16 -0400 |
|---|---|---|
| committer | Sean Christopherson <[email protected]> | 2023-05-26 13:41:43 -0700 |
| commit | 334006b78ca84b7619d7dd313d5b6b39007e9528 (patch) | |
| tree | 1c7f21d294646f24be8206fbf590c757b1d0bb1d | |
| parent | b9846a698c9aff4eb2214a06ac83638ad098f33f (diff) | |
KVM: VMX: Use kvm_read_cr4() to get cr4 value
Directly use vcpu->arch.cr4 is not recommended since it gets stale value
if the cr4 is not available.
Use kvm_read_cr4() instead to ensure correct value.
Signed-off-by: Xiaoyao Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sean Christopherson <[email protected]>
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 44fb619803b8..4335d4b9cb2e 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -3387,7 +3387,7 @@ static bool vmx_is_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) void vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) { - unsigned long old_cr4 = vcpu->arch.cr4; + unsigned long old_cr4 = kvm_read_cr4(vcpu); struct vcpu_vmx *vmx = to_vmx(vcpu); /* * Pass through host's Machine Check Enable value to hw_cr4, which |