CR0.CD and CR0.NW are not used by shadow page table so that need
not adjust mmu if these two bit are changed

Signed-off-by: Xiao Guangrong <[email protected]>
---
 arch/x86/kvm/x86.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a527dd0..a82d26f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -572,8 +572,7 @@ out:
 int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
        unsigned long old_cr0 = kvm_read_cr0(vcpu);
-       unsigned long update_bits = X86_CR0_PG | X86_CR0_WP |
-                                   X86_CR0_CD | X86_CR0_NW;
+       unsigned long update_bits = X86_CR0_PG | X86_CR0_WP;
 
        cr0 |= X86_CR0_ET;
 
-- 
2.1.0

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