Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm

[pandora-kernel.git] / arch / powerpc / include / asm / tlbflush.h

diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h
index 333c24b..d50a380 100644 (file)
--- a/arch/powerpc/include/asm/tlbflush.h
+++ b/arch/powerpc/include/asm/tlbflush.h
@@ -6,7 +6,9 @@
  *
  *  - 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
+ *  - local_flush_tlb_mm(mm, full) flushes the specified mm context on
+ *                           the local processor
+ *  - local_flush_tlb_page(vma, 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
@@ -18,7 +20,7 @@
  */
 #ifdef __KERNEL__
 
-#if defined(CONFIG_4xx) || defined(CONFIG_8xx) || defined(CONFIG_FSL_BOOKE)
+#ifdef CONFIG_PPC_MMU_NOHASH
 /*
  * TLB flushing for software loaded TLB chips
  *
@@ -27,79 +29,58 @@
  * specific tlbie's
  */
 
-#include <linux/mm.h>
+struct vm_area_struct;
+struct mm_struct;
 
-extern void _tlbie(unsigned long address, unsigned int pid);
-extern void _tlbil_all(void);
-extern void _tlbil_pid(unsigned int pid);
-extern void _tlbil_va(unsigned long address, unsigned int pid);
+#define MMU_NO_CONTEXT         ((unsigned int)-1)
 
-#if defined(CONFIG_40x) || defined(CONFIG_8xx)
-#define _tlbia()       asm volatile ("tlbia; sync" : : : "memory")
-#else /* CONFIG_44x || CONFIG_FSL_BOOKE */
-extern void _tlbia(void);
-#endif
-
-static inline void local_flush_tlb_mm(struct mm_struct *mm)
-{
-       _tlbil_pid(mm->context.id);
-}
-
-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);
-}
+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 flush_tlb_page(struct vm_area_struct *vma,
-                                 unsigned long vmaddr)
-{
-       _tlbil_va(vmaddr, vma ? vma->vm_mm->context.id : 0);
-}
+extern void local_flush_tlb_mm(struct mm_struct *mm);
+extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
 
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
-                                        unsigned long vmaddr)
-{
-       flush_tlb_page(vma, vmaddr);
-}
+extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
+                                  int tsize, int ind);
 
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-                                  unsigned long start, unsigned long end)
-{
-       _tlbil_pid(vma->vm_mm->context.id);
-}
+#ifdef CONFIG_SMP
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
+extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
+                            int tsize, int ind);
+#else
+#define flush_tlb_mm(mm)               local_flush_tlb_mm(mm)
+#define flush_tlb_page(vma,addr)       local_flush_tlb_page(vma,addr)
+#define __flush_tlb_page(mm,addr,p,i)  __local_flush_tlb_page(mm,addr,p,i)
+#endif
+#define flush_tlb_page_nohash(vma,addr)        flush_tlb_page(vma,addr)
 
-static inline void flush_tlb_kernel_range(unsigned long start,
-                                         unsigned long end)
-{
-       _tlbil_pid(0);
-}
+#elif defined(CONFIG_PPC_STD_MMU_32)
 
-#elif defined(CONFIG_PPC32)
 /*
- * TLB flushing for "classic" hash-MMMU 32-bit CPUs, 6xx, 7xx, 7xxx
+ * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx
  */
-extern void _tlbie(unsigned long address);
-extern void _tlbia(void);
-
 extern void flush_tlb_mm(struct mm_struct *mm);
 extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
 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)
+static inline void local_flush_tlb_page(struct vm_area_struct *vma,
+                                       unsigned long vmaddr)
 {
-       flush_tlb_page(NULL, vmaddr);
+       flush_tlb_page(vma, vmaddr);
+}
+static inline void local_flush_tlb_mm(struct mm_struct *mm)
+{
+       flush_tlb_mm(mm);
 }
 
-#else
+#elif defined(CONFIG_PPC_STD_MMU_64)
+
 /*
- * TLB flushing for 64-bit has-MMU CPUs
+ * TLB flushing for 64-bit hash-MMU CPUs
  */
 
 #include <linux/percpu.h>
@@ -149,11 +130,16 @@ extern void flush_hash_page(unsigned long va, real_pte_t pte, int psize,
 extern void flush_hash_range(unsigned long number, int local);
 
 
+static inline void local_flush_tlb_mm(struct mm_struct *mm)
+{
+}
+
 static inline void flush_tlb_mm(struct mm_struct *mm)
 {
 }
 
-static inline void local_flush_tlb_page(unsigned long vmaddr)
+static inline void local_flush_tlb_page(struct vm_area_struct *vma,
+                                       unsigned long vmaddr)
 {
 }
 
@@ -181,7 +167,8 @@ static inline void flush_tlb_kernel_range(unsigned long start,
 extern void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
                                     unsigned long end);
 
-
+#else
+#error Unsupported MMU type
 #endif
 
 #endif /*__KERNEL__ */