Commit 33f91edb authored Sep 27, 2010 by Xiao Guangrong Committed by Avi Kivity Oct 24, 2010

KVM: MMU: set access bit for direct mapping



Set access bit while setup up direct page table if it's nonpaing or npt enabled,
it's good for CPU's speculate access

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 20bd40dc

arch/x86/kvm/mmu.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2240,7 +2240,8 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
		__set_spte(iterator.sptep,
		__pa(sp->spt)
		\| PT_PRESENT_MASK \| PT_WRITABLE_MASK
		\| shadow_user_mask \| shadow_x_mask);
		\| shadow_user_mask \| shadow_x_mask
		\| shadow_accessed_mask);
		}
		}
		return pt_write;