X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-cris%2Fsystem.h;h=5bcfe5a1090765e7359c4f64f0de4001597f3241;hb=9ea319b61613085f501a79cf8d405cb221d084f3;hp=b869f6161aaa1c73e770fb2f238eecc7894654d9;hpb=76aba64a6608fcaa02c715e93c572192f3621195;p=linux-2.6

diff --git a/include/asm-cris/system.h b/include/asm-cris/system.h
index b869f6161a..5bcfe5a109 100644
--- a/include/asm-cris/system.h
+++ b/include/asm-cris/system.h
@@ -44,8 +44,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
   /* since Etrax doesn't have any atomic xchg instructions, we need to disable
      irq's (if enabled) and do it with move.d's */
   unsigned long flags,temp;
-  local_save_flags(flags); /* save flags, including irq enable bit */
-  local_irq_disable();             /* shut off irq's */
+  local_irq_save(flags); /* save flags, including irq enable bit and shut off irqs */
   switch (size) {
   case 1:
     *((unsigned char *)&temp) = x;
@@ -67,6 +66,21 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
   return x;
 }
 
+#include <asm-generic/cmpxchg-local.h>
+
+/*
+ * 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))
+
+#ifndef CONFIG_SMP
+#include <asm-generic/cmpxchg.h>
+#endif
+
 #define arch_align_stack(x) (x)
 
 void default_idle(void);