Instead, just use PFERR_{FETCH, PRESENT, WRITE}_MASK
inside handle_ept_violation() for slightly better code.
Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx>
---
arch/x86/kvm/vmx.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 284f5c2..22dc60d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5474,11 +5474,11 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
trace_kvm_page_fault(gpa, exit_qualification);
/* It is a write fault? */
- error_code = exit_qualification & (1U << 1);
+ error_code = exit_qualification & PFERR_WRITE_MASK;
/* It is a fetch fault? */
- error_code |= (exit_qualification & (1U << 2)) << 2;
+ error_code |= (exit_qualification << 2) & PFERR_FETCH_MASK;
/* ept page table is present? */
- error_code |= (exit_qualification >> 3) & 0x1;
+ error_code |= (exit_qualification >> 3) & PFERR_PRESENT_MASK;
vcpu->arch.exit_qualification = exit_qualification;
--
1.9.1
--
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