Signed-off-by: Nadav Har'El <nyh@xxxxxxxxxx>
Signed-off-by: Jun Nakajima <jun.nakajima@xxxxxxxxx>
modified: arch/x86/kvm/mmu.c
---
arch/x86/kvm/mmu.c | 30 ------------------------------
1 file changed, 30 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 34e406e2..99bfc5e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2480,26 +2480,6 @@ static pfn_t pte_prefetch_gfn_to_pfn(struct
kvm_vcpu *vcpu, gfn_t gfn,
return gfn_to_pfn_memslot_atomic(slot, gfn);
}
-static bool prefetch_invalid_gpte(struct kvm_vcpu *vcpu,
- struct kvm_mmu_page *sp, u64 *spte,
- u64 gpte)
-{
- if (is_rsvd_bits_set(&vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL))
- goto no_present;
-
- if (!is_present_gpte(gpte))
- goto no_present;
-
- if (!(gpte & PT_ACCESSED_MASK))
- goto no_present;
-
- return false;
-
-no_present:
- drop_spte(vcpu->kvm, spte);
- return true;
-}
-
static int direct_pte_prefetch_many(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp,
u64 *start, u64 *end)
@@ -3399,16 +3379,6 @@ static bool sync_mmio_spte(u64 *sptep, gfn_t
gfn, unsigned access,
return false;
}
-static inline unsigned gpte_access(struct kvm_vcpu *vcpu, u64 gpte)
-{
- unsigned access;
-
- access = (gpte & (PT_WRITABLE_MASK | PT_USER_MASK)) | ACC_EXEC_MASK;
- access &= ~(gpte >> PT64_NX_SHIFT);
-
- return access;
-}
-
static inline bool is_last_gpte(struct kvm_mmu *mmu, unsigned level,
unsigned gpte)
{
unsigned index;
--
1.8.2.1.610.g562af5b
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