From 29a4b9333bf9ffef12b3dd7cbf2e3dbe01152968 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 19 May 2009 13:29:27 +0300 Subject: [PATCH] KVM: MMU: Allow 4K ptes with bit 7 (PAT) set Bit 7 is perfectly legal in the 4K page leve; it is used for the PAT. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5c3d6e81a7d..7030b5f911b 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2157,7 +2157,7 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, int level) else /* 32 bits PSE 4MB page */ context->rsvd_bits_mask[1][1] = rsvd_bits(13, 21); - context->rsvd_bits_mask[1][0] = ~0ull; + context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[1][0]; break; case PT32E_ROOT_LEVEL: context->rsvd_bits_mask[0][2] = @@ -2170,7 +2170,7 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, int level) context->rsvd_bits_mask[1][1] = exb_bit_rsvd | rsvd_bits(maxphyaddr, 62) | rsvd_bits(13, 20); /* large page */ - context->rsvd_bits_mask[1][0] = ~0ull; + context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[1][0]; break; case PT64_ROOT_LEVEL: context->rsvd_bits_mask[0][3] = exb_bit_rsvd | @@ -2186,7 +2186,7 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu, int level) context->rsvd_bits_mask[1][1] = exb_bit_rsvd | rsvd_bits(maxphyaddr, 51) | rsvd_bits(13, 20); /* large page */ - context->rsvd_bits_mask[1][0] = ~0ull; + context->rsvd_bits_mask[1][0] = context->rsvd_bits_mask[1][0]; break; } } -- 2.20.1