* [PATCH] KVM: PPC: E500: Remove E500_TLB_DIRTY flag
@ 2012-08-15 9:53 ` Alexander Graf
0 siblings, 0 replies; 2+ messages in thread
From: Alexander Graf @ 2012-08-15 9:53 UTC (permalink / raw)
To: kvm-ppc; +Cc: KVM list, Scott Wood
Since we always mark pages as dirty immediately when mapping them read/write
now, there's no need for the dirty flag in our cache.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
arch/powerpc/kvm/e500.h | 3 +--
arch/powerpc/kvm/e500_tlb.c | 4 +---
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index aa8b814..d162286 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -27,8 +27,7 @@
#define E500_TLB_NUM 2
#define E500_TLB_VALID 1
-#define E500_TLB_DIRTY 2
-#define E500_TLB_BITMAP 4
+#define E500_TLB_BITMAP 2
struct tlbe_ref {
pfn_t pfn;
diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index 1af6fab..43489a8 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -303,10 +303,8 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
ref->pfn = pfn;
ref->flags = E500_TLB_VALID;
- if (tlbe_is_writable(gtlbe)) {
- ref->flags |= E500_TLB_DIRTY;
+ if (tlbe_is_writable(gtlbe))
kvm_set_pfn_dirty(pfn);
- }
}
static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)
--
1.6.0.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] KVM: PPC: E500: Remove E500_TLB_DIRTY flag
@ 2012-08-15 9:53 ` Alexander Graf
0 siblings, 0 replies; 2+ messages in thread
From: Alexander Graf @ 2012-08-15 9:53 UTC (permalink / raw)
To: kvm-ppc; +Cc: KVM list, Scott Wood
Since we always mark pages as dirty immediately when mapping them read/write
now, there's no need for the dirty flag in our cache.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
arch/powerpc/kvm/e500.h | 3 +--
arch/powerpc/kvm/e500_tlb.c | 4 +---
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index aa8b814..d162286 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -27,8 +27,7 @@
#define E500_TLB_NUM 2
#define E500_TLB_VALID 1
-#define E500_TLB_DIRTY 2
-#define E500_TLB_BITMAP 4
+#define E500_TLB_BITMAP 2
struct tlbe_ref {
pfn_t pfn;
diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index 1af6fab..43489a8 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -303,10 +303,8 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
ref->pfn = pfn;
ref->flags = E500_TLB_VALID;
- if (tlbe_is_writable(gtlbe)) {
- ref->flags |= E500_TLB_DIRTY;
+ if (tlbe_is_writable(gtlbe))
kvm_set_pfn_dirty(pfn);
- }
}
static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)
--
1.6.0.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2012-08-15 9:53 [PATCH] KVM: PPC: E500: Remove E500_TLB_DIRTY flag Alexander Graf
2012-08-15 9:53 ` Alexander Graf
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