---

yaml --- r: 123043 b: refs/heads/master c: df3b861 h: refs/heads/master i: 123041: 9e83c53 123039: 0d184fe v: v3
git-mirror · Dec 3, 2008 · a197e31 · a197e31
1 parent 553569f
commit a197e31
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Showing 3 changed files with 17 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f4f3a1261ad70988ad45614ebc87e553143a332b
+refs/heads/master: df3b8611554e389e703fa753540289874fa5126c
diff --git a/trunk/arch/powerpc/include/asm/highmem.h b/trunk/arch/powerpc/include/asm/highmem.h
@@ -85,7 +85,7 @@ static inline void *kmap_atomic_prot(struct page *page, enum km_type type, pgpro
 	BUG_ON(!pte_none(*(kmap_pte-idx)));
 #endif
 	__set_pte_at(&init_mm, vaddr, kmap_pte-idx, mk_pte(page, prot));
-	flush_tlb_page(NULL, vaddr);
+	local_flush_tlb_page(vaddr);
 
 	return (void*) vaddr;
 }
@@ -113,7 +113,7 @@ static inline void kunmap_atomic(void *kvaddr, enum km_type type)
 	 * this pte without first remap it
 	 */
 	pte_clear(&init_mm, vaddr, kmap_pte-idx);
-	flush_tlb_page(NULL, vaddr);
+	local_flush_tlb_page(vaddr);
 #endif
 	pagefault_enable();
 }

diff --git a/trunk/arch/powerpc/include/asm/tlbflush.h b/trunk/arch/powerpc/include/asm/tlbflush.h
@@ -6,6 +6,7 @@
  *
  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
  *  - flush_tlb_page(vma, vmaddr) flushes one page
+ *  - local_flush_tlb_page(vmaddr) flushes one page on the local processor
  *  - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
  *  - flush_tlb_range(vma, start, end) flushes a range of pages
  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
@@ -44,6 +45,11 @@ static inline void flush_tlb_mm(struct mm_struct *mm)
 	_tlbil_pid(mm->context.id);
 }
 
+static inline void local_flush_tlb_page(unsigned long vmaddr)
+{
+	_tlbil_va(vmaddr, 0);
+}
+
 static inline void flush_tlb_page(struct vm_area_struct *vma,
 				  unsigned long vmaddr)
 {
@@ -81,6 +87,10 @@ extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr
 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 			    unsigned long end);
 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+static inline void local_flush_tlb_page(unsigned long vmaddr)
+{
+	flush_tlb_page(NULL, vmaddr);
+}
 
 #else
 /*
@@ -138,6 +148,10 @@ static inline void flush_tlb_mm(struct mm_struct *mm)
 {
 }
 
+static inline void local_flush_tlb_page(unsigned long vmaddr)
+{
+}
+
 static inline void flush_tlb_page(struct vm_area_struct *vma,
 				  unsigned long vmaddr)
 {