From: Alexander Graf <agraf@suse.de>
Date: Wed, 15 Aug 2012 09:42:07 +0000 (+0200)
Subject: KVM: PPC: E500: Remove E500_TLB_DIRTY flag
X-Git-Tag: next-20120925~30^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e73fc4e6ca2bd197be0252334dc089c3ad121b3f;p=karo-tx-linux.git

KVM: PPC: E500: Remove E500_TLB_DIRTY flag

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>
---

diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index aa8b81428bf4..d1622864549e 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 1af6fab58995..43489a8fa985 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)