3 files changed, 22 insertions, 6 deletions
diff --git a/include/asm-xtensa/elf.h b/include/asm-xtensa/elf.h
index 7083d46766a8..467384542502 100644
--- a/include/asm-xtensa/elf.h
+++ b/include/asm-xtensa/elf.h
@@ -257,8 +257,6 @@ extern void xtensa_elf_core_copy_regs (xtensa_gregset_t *, struct pt_regs *);
        _r->areg[12]=0; _r->areg[13]=0;   _r->areg[14]=0; _r->areg[15]=0; \
   } while (0)
 
-#ifdef __KERNEL__
-
 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
 
 struct task_struct;
@@ -272,5 +270,4 @@ extern void do_save_fpregs (elf_fpregset_t*, struct pt_regs*,
 extern int do_restore_fpregs (elf_fpregset_t*, struct pt_regs*,
 			      struct task_struct*);
 
-#endif	/* __KERNEL__ */
 #endif	/* _XTENSA_ELF_H */
diff --git a/include/asm-xtensa/page.h b/include/asm-xtensa/page.h
index 55ce2c9749a3..1adedbf41d01 100644
--- a/include/asm-xtensa/page.h
+++ b/include/asm-xtensa/page.h
@@ -11,8 +11,6 @@
 #ifndef _XTENSA_PAGE_H
 #define _XTENSA_PAGE_H
 
-#ifdef __KERNEL__
-
 #include <asm/processor.h>
 #include <asm/types.h>
 #include <asm/cache.h>
@@ -174,5 +172,4 @@ extern void copy_user_page(void*, void*, unsigned long, struct page*);
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
 #include <asm-generic/memory_model.h>
-#endif /* __KERNEL__ */
 #endif /* _XTENSA_PAGE_H */
diff --git a/include/asm-xtensa/system.h b/include/asm-xtensa/system.h
index ddc970847ae9..e0cb9116d8ab 100644
--- a/include/asm-xtensa/system.h
+++ b/include/asm-xtensa/system.h
@@ -156,8 +156,30 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 	   			        (unsigned long)_n_, sizeof (*(ptr))); \
 	})
 
+#include <asm-generic/cmpxchg-local.h>
 
+static inline unsigned long __cmpxchg_local(volatile void *ptr,
+				      unsigned long old,
+				      unsigned long new, int size)
+{
+	switch (size) {
+	case 4:
+		return __cmpxchg_u32(ptr, old, new);
+	default:
+		return __cmpxchg_local_generic(ptr, old, new, size);
+	}
 
+	return old;
+}
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n)				  	       \
+	((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
+			(unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
 
 /*
  * xchg_u32