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Subject[PATCH 08/27] KVM: MMU: Let is_rsvd_bits_set take mmu context instead of vcpu
Date
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>
---
arch/x86/kvm/mmu.c | 6 +++---
arch/x86/kvm/paging_tmpl.h | 7 ++++---
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 787540d..9668f91 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2577,12 +2577,12 @@ 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
@@ -2857,7 +2857,7 @@ 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 13d0c06..68ee1b7 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;
--
1.7.0.4



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