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KVM: MMU: split reset_rsvds_bits_mask_ept 

Since shadow ept page tables and Intel nested guest page tables have the
same format, split reset_rsvds_bits_mask_ept so that the logic can be
reused by later patches which check zero bits on sptes

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
hifive-unleashed-5.1
Xiao Guangrong 2015-08-05 12:04:23 +08:00 committed by Paolo Bonzini
parent 6dc98b868b
commit 81b8eebbc3
1 changed files with 10 additions and 4 deletions
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14
arch/x86/kvm/mmu.c
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@ -3660,11 +3660,10 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu,
is_pse(vcpu));
}
static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,
struct kvm_mmu *context, bool execonly)
static void
__reset_rsvds_bits_mask_ept(struct rsvd_bits_validate *rsvd_check,
int maxphyaddr, bool execonly)
{
struct rsvd_bits_validate *rsvd_check = &context->guest_rsvd_check;
int maxphyaddr = cpuid_maxphyaddr(vcpu);
int pte;
rsvd_check->rsvd_bits_mask[0][3] =
@ -3693,6 +3692,13 @@ static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,
}
}
static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,
struct kvm_mmu *context, bool execonly)
{
__reset_rsvds_bits_mask_ept(&context->guest_rsvd_check,
cpuid_maxphyaddr(vcpu), execonly);
}
static void update_permission_bitmask(struct kvm_vcpu *vcpu,
struct kvm_mmu *mmu, bool ept)
{