Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 81ed33e4 authored by Tiejun Chen's avatar Tiejun Chen Committed by Paolo Bonzini
Browse files

kvm: x86: vmx: cleanup handle_ept_violation 



Instead, just use PFERR_{FETCH, PRESENT, WRITE}_MASK
inside handle_ept_violation() for slightly better code.

Signed-off-by: default avatarTiejun Chen <tiejun.chen@intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent f210f757

arch/x86/kvm/vmx.c

+3 −3
Original line number Diff line number Diff line
@@ -5482,11 +5482,11 @@ 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;