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KVM: MMU: remove unnecessary NX check in walk_addr
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Tue, 6 Apr 2010 10:31:13 +0000 (18:31 +0800)
committerAvi Kivity <avi@redhat.com>
Mon, 17 May 2010 09:17:30 +0000 (12:17 +0300)
After is_rsvd_bits_set() checks, EFER.NXE must be enabled if NX bit is seted

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
arch/x86/kvm/paging_tmpl.h patch | blob | history

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 067797a..d9dea28 100644 (file)
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -170,7 +170,7 @@ walk:
                        goto access_error;
 
 #if PTTYPE == 64
-               if (fetch_fault && is_nx(vcpu) && (pte & PT64_NX_MASK))
+               if (fetch_fault && (pte & PT64_NX_MASK))
                        goto access_error;
 #endif
 
Domain: System / Uncategorized;