X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sparc64%2Ftlbflush.h;h=8c70fdd037b60cacfcf02187f94fb575bc9b57bf;hb=2cf7311f007833d5818fc9241c09a372c0325a4a;hp=3ef9909ac3ac28110ca0b9c62c26397baff41402;hpb=a91482bdcc2e0f6035702e46f1b99043a0893346;p=linux-2.6.git

diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h
index 3ef9909ac..8c70fdd03 100644
--- a/include/asm-sparc64/tlbflush.h
+++ b/include/asm-sparc64/tlbflush.h
@@ -7,14 +7,11 @@
 
 /* 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()
-
 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);
@@ -25,17 +22,89 @@ extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 #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); \
+} 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)
 
 #endif /* ! CONFIG_SMP */
 
-extern void flush_tlb_pgtables(struct mm_struct *, unsigned long, unsigned long);
+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)));
+}
 
 #endif /* _SPARC64_TLBFLUSH_H */