From: Xiao Guangrong <xiaoguangr...@cn.fujitsu.com>
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 <xiaoguangr...@cn.fujitsu.com>
Signed-off-by: Avi Kivity <a...@redhat.com>
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 3630046..88203fa 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -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;
--
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