diff mbox

[v3,12/13] nEPT: Move is_rsvd_bits_set() to paging_tmpl.h

Message ID 1368939152-11406-12-git-send-email-jun.nakajima@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nakajima, Jun May 19, 2013, 4:52 a.m. UTC 
Move is_rsvd_bits_set() to paging_tmpl.h so that it can be used to check
reserved bits in EPT page table entries as well.

Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
Signed-off-by: Xinhao Xu <xinhao.xu@intel.com>
---
 arch/x86/kvm/mmu.c         |  8 --------
 arch/x86/kvm/paging_tmpl.h | 12 ++++++++++--
 2 files changed, 10 insertions(+), 10 deletions(-)
diff mbox

Patch

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 37f8d7f..93d6abf 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2468,14 +2468,6 @@  static void nonpaging_new_cr3(struct kvm_vcpu *vcpu)
 	mmu_free_roots(vcpu);
 }
 
-static bool is_rsvd_bits_set(struct kvm_mmu *mmu, u64 gpte, int level)
-{
-	int bit7;
-
-	bit7 = (gpte >> 7) & 1;
-	return (gpte & mmu->rsvd_bits_mask[bit7][level-1]) != 0;
-}
-
 static pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
 				     bool no_dirty_log)
 {
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index dc495f9..2432d49 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -124,11 +124,19 @@  static int FNAME(cmpxchg_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
 }
 #endif
 
+static bool FNAME(is_rsvd_bits_set)(struct kvm_mmu *mmu, u64 gpte, int level)
+{
+	int bit7;
+
+	bit7 = (gpte >> 7) & 1;
+	return (gpte & mmu->rsvd_bits_mask[bit7][level-1]) != 0;
+}
+
 static bool FNAME(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))
+	if (FNAME(is_rsvd_bits_set)(&vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL))
 		goto no_present;
 
 	if (!is_present_gpte(gpte))
@@ -279,7 +287,7 @@  retry_walk:
 		if (unlikely(!is_present_gpte(pte)))
 			goto error;
 
-		if (unlikely(is_rsvd_bits_set(&vcpu->arch.mmu, pte,
+		if (unlikely(FNAME(is_rsvd_bits_set)(&vcpu->arch.mmu, pte,
 					      walker->level))) {
 			errcode |= PFERR_RSVD_MASK | PFERR_PRESENT_MASK;
 			goto error;