---

yaml
---
r: 11432
b: refs/heads/master
c: 61b1a94
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 637a6ff6ce525d8495df944550efea0f023dd521
+refs/heads/master: 61b1a94254a2158d053458764a5bd30331d73a54

trunk/arch/ppc64/kernel/pSeries_lpar.c

@@ -486,8 +486,7 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
  * Take a spinlock around flushes to avoid bouncing the hypervisor tlbie
  * lock.
  */
-void pSeries_lpar_flush_hash_range(unsigned long context, unsigned long number,
-				   int local)
+void pSeries_lpar_flush_hash_range(unsigned long number, int local)
 {
 	int i;
 	unsigned long flags = 0;
@@ -498,7 +497,7 @@ void pSeries_lpar_flush_hash_range(unsigned long context, unsigned long number,
 		spin_lock_irqsave(&pSeries_lpar_tlbie_lock, flags);
 
 	for (i = 0; i < number; i++)
-		flush_hash_page(context, batch->addr[i], batch->pte[i], local);
+		flush_hash_page(batch->vaddr[i], batch->pte[i], local);
 
 	if (lock_tlbie)
 		spin_unlock_irqrestore(&pSeries_lpar_tlbie_lock, flags);

trunk/arch/ppc64/mm/hash_native.c

@@ -335,10 +335,9 @@ static void native_hpte_clear(void)
 	local_irq_restore(flags);
 }
 
-static void native_flush_hash_range(unsigned long context,
-				    unsigned long number, int local)
+static void native_flush_hash_range(unsigned long number, int local)
 {
-	unsigned long vsid, vpn, va, hash, secondary, slot, flags, avpn;
+	unsigned long va, vpn, hash, secondary, slot, flags, avpn;
 	int i, j;
 	hpte_t *hptep;
 	unsigned long hpte_v;
@@ -351,13 +350,7 @@ static void native_flush_hash_range(unsigned long context,
 
 	j = 0;
 	for (i = 0; i < number; i++) {
-		if (batch->addr[i] < KERNELBASE)
-			vsid = get_vsid(context, batch->addr[i]);
-		else
-			vsid = get_kernel_vsid(batch->addr[i]);
-
-		va = (vsid << 28) | (batch->addr[i] & 0x0fffffff);
-		batch->vaddr[j] = va;
+		va = batch->vaddr[j];
 		if (large)
 			vpn = va >> HPAGE_SHIFT;
 		else

trunk/arch/ppc64/mm/hash_utils.c

@@ -355,18 +355,11 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
 	return ret;
 }
 
-void flush_hash_page(unsigned long context, unsigned long ea, pte_t pte,
-		     int local)
+void flush_hash_page(unsigned long va, pte_t pte, int local)
 {
-	unsigned long vsid, vpn, va, hash, secondary, slot;
+	unsigned long vpn, hash, secondary, slot;
 	unsigned long huge = pte_huge(pte);
 
-	if (ea < KERNELBASE)
-		vsid = get_vsid(context, ea);
-	else
-		vsid = get_kernel_vsid(ea);
-
-	va = (vsid << 28) | (ea & 0x0fffffff);
 	if (huge)
 		vpn = va >> HPAGE_SHIFT;
 	else
@@ -381,17 +374,17 @@ void flush_hash_page(unsigned long context, unsigned long ea, pte_t pte,
 	ppc_md.hpte_invalidate(slot, va, huge, local);
 }
 
-void flush_hash_range(unsigned long context, unsigned long number, int local)
+void flush_hash_range(unsigned long number, int local)
 {
 	if (ppc_md.flush_hash_range) {
-		ppc_md.flush_hash_range(context, number, local);
+		ppc_md.flush_hash_range(number, local);
 	} else {
 		int i;
-		struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
+		struct ppc64_tlb_batch *batch =
+			&__get_cpu_var(ppc64_tlb_batch);
 
 		for (i = 0; i < number; i++)
-			flush_hash_page(context, batch->addr[i], batch->pte[i],
-					local);
+			flush_hash_page(batch->vaddr[i], batch->pte[i], local);
 	}
 }
 

trunk/arch/ppc64/mm/tlb.c

@@ -128,12 +128,10 @@ void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf)
 void hpte_update(struct mm_struct *mm, unsigned long addr,
 		 unsigned long pte, int wrprot)
 {
-	int i;
-	unsigned long context = 0;
 	struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
+	unsigned long vsid;
+	int i;
 
-	if (REGION_ID(addr) == USER_REGION_ID)
-		context = mm->context.id;
 	i = batch->index;
 
 	/*
@@ -143,17 +141,19 @@ void hpte_update(struct mm_struct *mm, unsigned long addr,
 	 * up scanning and resetting referenced bits then our batch context
 	 * will change mid stream.
 	 */
-	if (unlikely(i != 0 && context != batch->context)) {
+	if (unlikely(i != 0 && mm != batch->mm)) {
 		flush_tlb_pending();
 		i = 0;
 	}
-
-	if (i == 0) {
-		batch->context = context;
+	if (i == 0)
 		batch->mm = mm;
-	}
+	if (addr < KERNELBASE) {
+		vsid = get_vsid(mm->context.id, addr);
+		WARN_ON(vsid == 0);
+	} else
+		vsid = get_kernel_vsid(addr);
+	batch->vaddr[i] = (vsid << 28 ) | (addr & 0x0fffffff);
 	batch->pte[i] = __pte(pte);
-	batch->addr[i] = addr;
 	batch->index = ++i;
 	if (i >= PPC64_TLB_BATCH_NR)
 		flush_tlb_pending();
@@ -175,10 +175,9 @@ void __flush_tlb_pending(struct ppc64_tlb_batch *batch)
 		local = 1;
 
 	if (i == 1)
-		flush_hash_page(batch->context, batch->addr[0], batch->pte[0],
-				local);
+		flush_hash_page(batch->vaddr[0], batch->pte[0], local);
 	else
-		flush_hash_range(batch->context, i, local);
+		flush_hash_range(i, local);
 	batch->index = 0;
 	put_cpu();
 }

trunk/include/asm-ppc64/machdep.h

@@ -56,9 +56,8 @@ struct machdep_calls {
 				       unsigned long vflags,
 				       unsigned long rflags);
 	long		(*hpte_remove)(unsigned long hpte_group);
-	void		(*flush_hash_range)(unsigned long context,
-					    unsigned long number,
-					    int local);
+	void		(*flush_hash_range)(unsigned long number, int local);
+
 	/* special for kexec, to be called in real mode, linar mapping is
 	 * destroyed as well */
 	void		(*hpte_clear_all)(void);

trunk/include/asm-ppc64/tlbflush.h

@@ -20,10 +20,8 @@
 struct mm_struct;
 struct ppc64_tlb_batch {
 	unsigned long index;
-	unsigned long context;
 	struct mm_struct *mm;
 	pte_t pte[PPC64_TLB_BATCH_NR];
-	unsigned long addr[PPC64_TLB_BATCH_NR];
 	unsigned long vaddr[PPC64_TLB_BATCH_NR];
 };
 DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
@@ -47,8 +45,7 @@ static inline void flush_tlb_pending(void)
 #define flush_tlb_kernel_range(start, end)	flush_tlb_pending()
 #define flush_tlb_pgtables(mm, start, end)	do { } while (0)
 
-extern void flush_hash_page(unsigned long context, unsigned long ea, pte_t pte,
-			    int local);
-void flush_hash_range(unsigned long context, unsigned long number, int local);
+extern void flush_hash_page(unsigned long va, pte_t pte, int local);
+void flush_hash_range(unsigned long number, int local);
 
 #endif /* _PPC64_TLBFLUSH_H */