Commit 0307b7b8 authored by Zhang Xiantao's avatar Zhang Xiantao Committed by Gleb Natapov
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kvm: remove unnecessary bit checking for ept violation 



Bit 6 in EPT vmexit's exit qualification is not defined in SDM, so remove it.

Signed-off-by: default avatarZhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
parent 78c63440

arch/x86/kvm/vmx.c

+0 −5
Original line number Diff line number Diff line
@@ -4863,11 +4863,6 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) 


	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);



	if (exit_qualification & (1 << 6)) {

		printk(KERN_ERR "EPT: GPA exceeds GAW!\n");

		return -EINVAL;

	}



	gla_validity = (exit_qualification >> 7) & 0x3;

	if (gla_validity != 0x3 && gla_validity != 0x1 && gla_validity != 0) {

		printk(KERN_ERR "EPT: Handling EPT violation failed!\n");