Since shdow 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 reserved bits on sptes
Signed-off-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 693d565..d11d212 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -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)
{
--
2.1.0
--
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