patch-2.4.10 linux/include/asm-ia64/processor.h

• Lines: 38
• Date: Mon Sep 17 15:30:14 2001
• Orig file: v2.4.9/linux/include/asm-ia64/processor.h
• Orig date: Sun Aug 12 13:28:00 2001

diff -u --recursive --new-file v2.4.9/linux/include/asm-ia64/processor.h linux/include/asm-ia64/processor.h
@@ -364,11 +364,6 @@
 	struct ia64_fpreg fph[96];	/* saved/loaded on demand */
 };
 
-#define INIT_MMAP {								\
-	&init_mm, PAGE_OFFSET, PAGE_OFFSET + 0x10000000, NULL, PAGE_SHARED,	\
-        VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL				\
-}
-
 #define INIT_THREAD {					\
 	0,				/* ksp */	\
 	0,				/* flags */	\
@@ -974,6 +969,25 @@
 	return result;
 }
 
+
+#define ARCH_HAS_PREFETCH
+#define ARCH_HAS_PREFETCHW
+#define ARCH_HAS_SPINLOCK_PREFETCH
+#define PREFETCH_STRIDE 256
+
+extern inline void prefetch(const void *x)
+{
+         __asm__ __volatile__ ("lfetch [%0]" : : "r"(x));
+}
+         
+extern inline void prefetchw(const void *x)
+{
+	__asm__ __volatile__ ("lfetch.excl [%0]" : : "r"(x));
+}
+
+#define spin_lock_prefetch(x)   prefetchw(x)
+
+                  
 #endif /* !__ASSEMBLY__ */
 
 #endif /* _ASM_IA64_PROCESSOR_H */