KVM: MMU: Let is_rsvd_bits_set take mmu context instead of vcpu

This patch changes is_rsvd_bits_set() function prototype to
take only a kvm_mmu context instead of a full vcpu.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

2 files changed, 7 insertions, 6 deletions

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 9e48a774fceb..86f7557cf3fb 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2578,12 +2578,12 @@ static void paging_free(struct kvm_vcpu *vcpu)
         nonpaging_free(vcpu);
 }
 
-static bool is_rsvd_bits_set(struct kvm_vcpu *vcpu, u64 gpte, int level)
+static bool is_rsvd_bits_set(struct kvm_mmu *mmu, u64 gpte, int level)
 {
         int bit7;
 
         bit7 = (gpte >> 7) & 1;
-        return (gpte & vcpu->arch.mmu.rsvd_bits_mask[bit7][level-1]) != 0;
+        return (gpte & mmu->rsvd_bits_mask[bit7][level-1]) != 0;
 }
 
 #define PTTYPE 64
@@ -2859,7 +2859,7 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu,
                 return;
         }
 
-        if (is_rsvd_bits_set(vcpu, *(u64 *)new, PT_PAGE_TABLE_LEVEL))
+        if (is_rsvd_bits_set(&vcpu->arch.mmu, *(u64 *)new, PT_PAGE_TABLE_LEVEL))
                 return;
 
         ++vcpu->kvm->stat.mmu_pte_updated;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 13d0c06b1bc8..68ee1b7fa89f 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -168,7 +168,7 @@ walk:
                         break;
                 }
 
-                if (is_rsvd_bits_set(vcpu, pte, walker->level)) {
+                if (is_rsvd_bits_set(&vcpu->arch.mmu, pte, walker->level)) {
                         rsvd_fault = true;
                         break;
                 }
@@ -327,6 +327,7 @@ static void FNAME(pte_prefetch)(struct kvm_vcpu *vcpu, struct guest_walker *gw,
                                 u64 *sptep)
 {
         struct kvm_mmu_page *sp;
+        struct kvm_mmu *mmu = &vcpu->arch.mmu;
         pt_element_t *gptep = gw->prefetch_ptes;
         u64 *spte;
         int i;
@@ -358,7 +359,7 @@ static void FNAME(pte_prefetch)(struct kvm_vcpu *vcpu, struct guest_walker *gw,
                 gpte = gptep[i];
 
                 if (!is_present_gpte(gpte) ||
-                      is_rsvd_bits_set(vcpu, gpte, PT_PAGE_TABLE_LEVEL)) {
+                      is_rsvd_bits_set(mmu, gpte, PT_PAGE_TABLE_LEVEL)) {
                         if (!sp->unsync)
                                 __set_spte(spte, shadow_notrap_nonpresent_pte);
                         continue;
@@ -713,7 +714,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
                         return -EINVAL;
 
                 gfn = gpte_to_gfn(gpte);
-                if (is_rsvd_bits_set(vcpu, gpte, PT_PAGE_TABLE_LEVEL)
+                if (is_rsvd_bits_set(&vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL)
                       || gfn != sp->gfns[i] || !is_present_gpte(gpte)
                       || !(gpte & PT_ACCESSED_MASK)) {
                         u64 nonpresent;