3 files changed, 29 insertions, 7 deletions
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h
index 217d768cf7d..272a65873f2 100644
--- a/include/asm-sparc64/elf.h
+++ b/include/asm-sparc64/elf.h
@@ -7,11 +7,9 @@
  */
 
 #include <asm/ptrace.h>
-#ifdef __KERNEL__
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/spitfire.h>
-#endif
 
 /*
  * Sparc section types
@@ -155,7 +153,6 @@ static inline unsigned int sparc64_elf_hwcap(void)
 
 #define ELF_PLATFORM	(NULL)
 
-#ifdef __KERNEL__
 #define SET_PERSONALITY(ex, ibcs2)			\
 do {	unsigned long new_flags = current_thread_info()->flags; \
 	new_flags &= _TIF_32BIT;			\
@@ -174,6 +171,5 @@ do {	unsigned long new_flags = current_thread_info()->flags; \
 	else if (current->personality != PER_LINUX32)	\
 		set_personality(PER_LINUX);		\
 } while (0)
-#endif
 
 #endif /* !(__ASM_SPARC64_ELF_H) */
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index 7af1077451f..cdf950e017e 100644
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -3,8 +3,6 @@
 #ifndef _SPARC64_PAGE_H
 #define _SPARC64_PAGE_H
 
-#ifdef __KERNEL__
-
 #include <linux/const.h>
 
 #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
@@ -143,5 +141,4 @@ typedef unsigned long pgprot_t;
 
 #include <asm-generic/page.h>
 
-#endif /* __KERNEL__ */
 #endif /* _SPARC64_PAGE_H */
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 99a669c190c..1faefa6d370 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -8,6 +8,7 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/irqflags.h>
+#include <asm-generic/cmpxchg-local.h>
 
 /*
  * Sparc (general) CPU types
@@ -315,6 +316,34 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 				    (unsigned long)_n_, sizeof(*(ptr))); \
   })
 
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+
+static inline unsigned long __cmpxchg_local(volatile void *ptr,
+				      unsigned long old,
+				      unsigned long new, int size)
+{
+	switch (size) {
+	case 4:
+	case 8:	return __cmpxchg(ptr, old, new, size);
+	default:
+		return __cmpxchg_local_generic(ptr, old, new, size);
+	}
+
+	return old;
+}
+
+#define cmpxchg_local(ptr, o, n)				  	\
+	((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o),	\
+			(unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg64_local(ptr, o, n)					\
+  ({									\
+	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
+	cmpxchg_local((ptr), (o), (n));					\
+  })
+
 #endif /* !(__ASSEMBLY__) */
 
 #define arch_align_stack(x) (x)