Signed-off-by: Joe Perches
---
include/asm-x86/percpu.h | 104 ++++++++++++++++++++++++----------------------
1 files changed, 54 insertions(+), 50 deletions(-)
diff --git a/include/asm-x86/percpu.h b/include/asm-x86/percpu.h
index 0dec00f..736fc3b 100644
--- a/include/asm-x86/percpu.h
+++ b/include/asm-x86/percpu.h
@@ -85,58 +85,62 @@ DECLARE_PER_CPU(unsigned long, this_cpu_off);
* don't give an lvalue though). */
extern void __bad_percpu_size(void);
-#define percpu_to_op(op,var,val) \
- do { \
- typedef typeof(var) T__; \
- if (0) { T__ tmp__; tmp__ = (val); } \
- switch (sizeof(var)) { \
- case 1: \
- asm(op "b %1,"__percpu_seg"%0" \
- : "+m" (var) \
- :"ri" ((T__)val)); \
- break; \
- case 2: \
- asm(op "w %1,"__percpu_seg"%0" \
- : "+m" (var) \
- :"ri" ((T__)val)); \
- break; \
- case 4: \
- asm(op "l %1,"__percpu_seg"%0" \
- : "+m" (var) \
- :"ri" ((T__)val)); \
- break; \
- default: __bad_percpu_size(); \
- } \
- } while (0)
-
-#define percpu_from_op(op,var) \
- ({ \
- typeof(var) ret__; \
- switch (sizeof(var)) { \
- case 1: \
- asm(op "b "__percpu_seg"%1,%0" \
- : "=r" (ret__) \
- : "m" (var)); \
- break; \
- case 2: \
- asm(op "w "__percpu_seg"%1,%0" \
- : "=r" (ret__) \
- : "m" (var)); \
- break; \
- case 4: \
- asm(op "l "__percpu_seg"%1,%0" \
- : "=r" (ret__) \
- : "m" (var)); \
- break; \
- default: __bad_percpu_size(); \
- } \
- ret__; })
+#define percpu_to_op(op, var, val) \
+do { \
+ typedef typeof(var) T__; \
+ if (0) { \
+ T__ tmp__; \
+ tmp__ = (val); \
+ } \
+ switch (sizeof(var)) { \
+ case 1: \
+ asm(op "b %1,"__percpu_seg"%0" \
+ : "+m" (var) \
+ : "ri" ((T__)val)); \
+ break; \
+ case 2: \
+ asm(op "w %1,"__percpu_seg"%0" \
+ : "+m" (var) \
+ : "ri" ((T__)val)); \
+ break; \
+ case 4: \
+ asm(op "l %1,"__percpu_seg"%0" \
+ : "+m" (var) \
+ : "ri" ((T__)val)); \
+ break; \
+ default: __bad_percpu_size(); \
+ } \
+} while (0)
+
+#define percpu_from_op(op, var) \
+({ \
+ typeof(var) ret__; \
+ switch (sizeof(var)) { \
+ case 1: \
+ asm(op "b "__percpu_seg"%1,%0" \
+ : "=r" (ret__) \
+ : "m" (var)); \
+ break; \
+ case 2: \
+ asm(op "w "__percpu_seg"%1,%0" \
+ : "=r" (ret__) \
+ : "m" (var)); \
+ break; \
+ case 4: \
+ asm(op "l "__percpu_seg"%1,%0" \
+ : "=r" (ret__) \
+ : "m" (var)); \
+ break; \
+ default: __bad_percpu_size(); \
+ } \
+ ret__; \
+})
#define x86_read_percpu(var) percpu_from_op("mov", per_cpu__##var)
-#define x86_write_percpu(var,val) percpu_to_op("mov", per_cpu__##var, val)
-#define x86_add_percpu(var,val) percpu_to_op("add", per_cpu__##var, val)
-#define x86_sub_percpu(var,val) percpu_to_op("sub", per_cpu__##var, val)
-#define x86_or_percpu(var,val) percpu_to_op("or", per_cpu__##var, val)
+#define x86_write_percpu(var, val) percpu_to_op("mov", per_cpu__##var, val)
+#define x86_add_percpu(var, val) percpu_to_op("add", per_cpu__##var, val)
+#define x86_sub_percpu(var, val) percpu_to_op("sub", per_cpu__##var, val)
+#define x86_or_percpu(var, val) percpu_to_op("or", per_cpu__##var, val)
#endif /* !__ASSEMBLY__ */
#endif /* !CONFIG_X86_64 */
#endif /* _ASM_X86_PERCPU_H_ */
--
1.5.4.rc2
--
