X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sparc64%2Ftlbflush.h;h=e3a7c453b5002a4d0b4e1fa5e28c118038eeddf0;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=8c70fdd037b60cacfcf02187f94fb575bc9b57bf;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h
index 8c70fdd03..e3a7c453b 100644
--- a/include/asm-sparc64/tlbflush.h
+++ b/include/asm-sparc64/tlbflush.h
@@ -5,106 +5,48 @@
 #include <linux/mm.h>
 #include <asm/mmu_context.h>
 
+/* TSB flush operations. */
+struct mmu_gather;
+extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
+extern void flush_tsb_user(struct mmu_gather *mp);
+
 /* TLB flush operations. */
 
+extern void flush_tlb_pending(void);
+
+#define flush_tlb_range(vma,start,end)	\
+	do { (void)(start); flush_tlb_pending(); } while (0)
+#define flush_tlb_page(vma,addr)	flush_tlb_pending()
+#define flush_tlb_mm(mm)		flush_tlb_pending()
+
+/* Local cpu only.  */
 extern void __flush_tlb_all(void);
-extern void __flush_tlb_mm(unsigned long context, unsigned long r);
-extern void __flush_tlb_range(unsigned long context, unsigned long start,
-			      unsigned long r, unsigned long end,
-			      unsigned long pgsz, unsigned long size);
-extern void __flush_tlb_page(unsigned long context, unsigned long page, unsigned long r);
 
 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
 #ifndef CONFIG_SMP
 
-#define flush_tlb_all()		__flush_tlb_all()
 #define flush_tlb_kernel_range(start,end) \
-	__flush_tlb_kernel_range(start,end)
-
-#define flush_tlb_mm(__mm) \
-do { if (CTX_VALID((__mm)->context)) \
-	__flush_tlb_mm(CTX_HWBITS((__mm)->context), SECONDARY_CONTEXT); \
-} while (0)
-
-#define flush_tlb_range(__vma, start, end) \
-do { if (CTX_VALID((__vma)->vm_mm->context)) { \
-	unsigned long __start = (start)&PAGE_MASK; \
-	unsigned long __end = PAGE_ALIGN(end); \
-	__flush_tlb_range(CTX_HWBITS((__vma)->vm_mm->context), __start, \
-			  SECONDARY_CONTEXT, __end, PAGE_SIZE, \
-			  (__end - __start)); \
-     } \
-} while (0)
-
-#define flush_tlb_vpte_range(__mm, start, end) \
-do { if (CTX_VALID((__mm)->context)) { \
-	unsigned long __start = (start)&PAGE_MASK; \
-	unsigned long __end = PAGE_ALIGN(end); \
-	__flush_tlb_range(CTX_HWBITS((__mm)->context), __start, \
-			  SECONDARY_CONTEXT, __end, PAGE_SIZE, \
-			  (__end - __start)); \
-     } \
-} while (0)
-
-#define flush_tlb_page(vma, page) \
-do { struct mm_struct *__mm = (vma)->vm_mm; \
-     if (CTX_VALID(__mm->context)) \
-	__flush_tlb_page(CTX_HWBITS(__mm->context), (page)&PAGE_MASK, \
-			 SECONDARY_CONTEXT); \
-} while (0)
-
-#define flush_tlb_vpte_page(mm, addr) \
-do { struct mm_struct *__mm = (mm); \
-     if (CTX_VALID(__mm->context)) \
-	__flush_tlb_page(CTX_HWBITS(__mm->context), (addr)&PAGE_MASK, \
-			 SECONDARY_CONTEXT); \
+do {	flush_tsb_kernel_range(start,end); \
+	__flush_tlb_kernel_range(start,end); \
 } while (0)
 
 #else /* CONFIG_SMP */
 
-extern void smp_flush_tlb_all(void);
-extern void smp_flush_tlb_mm(struct mm_struct *mm);
-extern void smp_flush_tlb_range(struct mm_struct *mm, unsigned long start,
-				unsigned long end);
 extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
-extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long page);
 
-#define flush_tlb_all()		smp_flush_tlb_all()
-#define flush_tlb_mm(mm)	smp_flush_tlb_mm(mm)
-#define flush_tlb_range(vma, start, end) \
-	smp_flush_tlb_range((vma)->vm_mm, start, end)
-#define flush_tlb_vpte_range(mm, start, end) \
-	smp_flush_tlb_range(mm, start, end)
 #define flush_tlb_kernel_range(start, end) \
-	smp_flush_tlb_kernel_range(start, end)
-#define flush_tlb_page(vma, page) \
-	smp_flush_tlb_page((vma)->vm_mm, page)
-#define flush_tlb_vpte_page(mm, page) \
-	smp_flush_tlb_page((mm), page)
+do {	flush_tsb_kernel_range(start,end); \
+	smp_flush_tlb_kernel_range(start, end); \
+} while (0)
 
 #endif /* ! CONFIG_SMP */
 
-static __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start,
-					  unsigned long end)
+static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)
 {
-	/* Note the signed type.  */
-	long s = start, e = end, vpte_base;
-		/* Nobody should call us with start below VM hole and end above.
-		   See if it is really true.  */
-	BUG_ON(s > e);
-#if 0
-	/* Currently free_pgtables guarantees this.  */
-	s &= PMD_MASK;
-	e = (e + PMD_SIZE - 1) & PMD_MASK;
-#endif
-	vpte_base = (tlb_type == spitfire ?
-		     VPTE_BASE_SPITFIRE :
-		     VPTE_BASE_CHEETAH);
-
-	flush_tlb_vpte_range(mm,
-			     vpte_base + (s >> (PAGE_SHIFT - 3)),
-			     vpte_base + (e >> (PAGE_SHIFT - 3)));
+	/* We don't use virtual page tables for TLB miss processing
+	 * any more.  Nowadays we use the TSB.
+	 */
 }
 
 #endif /* _SPARC64_TLBFLUSH_H */