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authorXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>2013-02-05 08:28:02 +0100
committerMarcelo Tosatti <mtosatti@redhat.com>2013-02-07 01:42:09 +0100
commit24db2734ad8123b6858ca98d690483ecdcceebb5 (patch)
tree702ca7b1dbd01e4e3feb33e2563f36c9fce6d7d0
parentKVM: MMU: remove pt_access in mmu_set_spte (diff)
downloadlinux-24db2734ad8123b6858ca98d690483ecdcceebb5.tar.xz
linux-24db2734ad8123b6858ca98d690483ecdcceebb5.zip
KVM: MMU: cleanup __direct_map
Use link_shadow_page to link the sp to the spte in __direct_map Reviewed-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/x86/kvm/mmu.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index e956e9bed294..1cda1f332654 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1947,9 +1947,9 @@ static void link_shadow_page(u64 *sptep, struct kvm_mmu_page *sp)
{
u64 spte;
- spte = __pa(sp->spt)
- | PT_PRESENT_MASK | PT_ACCESSED_MASK
- | PT_WRITABLE_MASK | PT_USER_MASK;
+ spte = __pa(sp->spt) | PT_PRESENT_MASK | PT_WRITABLE_MASK |
+ shadow_user_mask | shadow_x_mask | shadow_accessed_mask;
+
mmu_spte_set(sptep, spte);
}
@@ -2592,11 +2592,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
iterator.level - 1,
1, ACC_ALL, iterator.sptep);
- mmu_spte_set(iterator.sptep,
- __pa(sp->spt)
- | PT_PRESENT_MASK | PT_WRITABLE_MASK
- | shadow_user_mask | shadow_x_mask
- | shadow_accessed_mask);
+ link_shadow_page(iterator.sptep, sp);
}
}
return emulate;