[PATCH 1/4] KVM: MMU: Use gfn_to_rmap() in audit_write_protection()

2012-01-23 Thread Takuya Yoshikawa 
We want to eliminate direct access to the rmap array.

Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
 arch/x86/kvm/mmu_audit.c |4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c
index 6eabae3..e62fa4f 100644
--- a/arch/x86/kvm/mmu_audit.c
+++ b/arch/x86/kvm/mmu_audit.c
@@ -190,15 +190,13 @@ static void check_mappings_rmap(struct kvm *kvm, struct 
kvm_mmu_page *sp)
 
 static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
 {
-   struct kvm_memory_slot *slot;
unsigned long *rmapp;
u64 *spte;
 
if (sp-role.direct || sp-unsync || sp-role.invalid)
return;
 
-   slot = gfn_to_memslot(kvm, sp-gfn);
-   rmapp = slot-rmap[sp-gfn - slot-base_gfn];
+   rmapp = gfn_to_rmap(kvm, sp-gfn, PT_PAGE_TABLE_LEVEL);
 
spte = rmap_next(rmapp, NULL);
while (spte) {
-- 
1.7.5.4

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[PATCH 1/4] KVM: MMU: Use gfn_to_rmap() in audit_write_protection()

2012-01-23 Thread Takuya Yoshikawa 
We want to eliminate direct access to the rmap array.

Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
 arch/x86/kvm/mmu_audit.c |4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c
index 6eabae3..e62fa4f 100644
--- a/arch/x86/kvm/mmu_audit.c
+++ b/arch/x86/kvm/mmu_audit.c
@@ -190,15 +190,13 @@ static void check_mappings_rmap(struct kvm *kvm, struct 
kvm_mmu_page *sp)
 
 static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
 {
-   struct kvm_memory_slot *slot;
unsigned long *rmapp;
u64 *spte;
 
if (sp-role.direct || sp-unsync || sp-role.invalid)
return;
 
-   slot = gfn_to_memslot(kvm, sp-gfn);
-   rmapp = slot-rmap[sp-gfn - slot-base_gfn];
+   rmapp = gfn_to_rmap(kvm, sp-gfn, PT_PAGE_TABLE_LEVEL);
 
spte = rmap_next(rmapp, NULL);
while (spte) {
-- 
1.7.5.4

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