sched: tune multi-core idle balancing

[linux-2.6-block.git] / include / linux / thread_info.h

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index d252f45a0f9b6747ceb1d1c9d3d75cfecab29b28..421323e5a2d6ce3e6d82b09cacf308e59c66bac7 100644 (file)
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -7,12 +7,26 @@
 #ifndef _LINUX_THREAD_INFO_H
 #define _LINUX_THREAD_INFO_H
 
+#include <linux/types.h>
+
 /*
- * System call restart block. 
+ * System call restart block.
  */
 struct restart_block {
        long (*fn)(struct restart_block *);
-       unsigned long arg0, arg1, arg2, arg3;
+       union {
+               struct {
+                       unsigned long arg0, arg1, arg2, arg3;
+               };
+               /* For futex_wait */
+               struct {
+                       u32 *uaddr;
+                       u32 val;
+                       u32 flags;
+                       u32 bitset;
+                       u64 time;
+               } futex;
+       };
 };
 
 extern long do_no_restart_syscall(struct restart_block *parm);
@@ -27,65 +41,44 @@ extern long do_no_restart_syscall(struct restart_block *parm);
  * - pass TIF_xxxx constants to these functions
  */
 
-static inline void set_thread_flag(int flag)
-{
-       set_bit(flag,&current_thread_info()->flags);
-}
-
-static inline void clear_thread_flag(int flag)
-{
-       clear_bit(flag,&current_thread_info()->flags);
-}
-
-static inline int test_and_set_thread_flag(int flag)
-{
-       return test_and_set_bit(flag,&current_thread_info()->flags);
-}
-
-static inline int test_and_clear_thread_flag(int flag)
-{
-       return test_and_clear_bit(flag,&current_thread_info()->flags);
-}
-
-static inline int test_thread_flag(int flag)
-{
-       return test_bit(flag,&current_thread_info()->flags);
-}
-
 static inline void set_ti_thread_flag(struct thread_info *ti, int flag)
 {
-       set_bit(flag,&ti->flags);
+       set_bit(flag, (unsigned long *)&ti->flags);
 }
 
 static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)
 {
-       clear_bit(flag,&ti->flags);
+       clear_bit(flag, (unsigned long *)&ti->flags);
 }
 
 static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag)
 {
-       return test_and_set_bit(flag,&ti->flags);
+       return test_and_set_bit(flag, (unsigned long *)&ti->flags);
 }
 
 static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag)
 {
-       return test_and_clear_bit(flag,&ti->flags);
+       return test_and_clear_bit(flag, (unsigned long *)&ti->flags);
 }
 
 static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
 {
-       return test_bit(flag,&ti->flags);
+       return test_bit(flag, (unsigned long *)&ti->flags);
 }
 
-static inline void set_need_resched(void)
-{
-       set_thread_flag(TIF_NEED_RESCHED);
-}
-
-static inline void clear_need_resched(void)
-{
-       clear_thread_flag(TIF_NEED_RESCHED);
-}
+#define set_thread_flag(flag) \
+       set_ti_thread_flag(current_thread_info(), flag)
+#define clear_thread_flag(flag) \
+       clear_ti_thread_flag(current_thread_info(), flag)
+#define test_and_set_thread_flag(flag) \
+       test_and_set_ti_thread_flag(current_thread_info(), flag)
+#define test_and_clear_thread_flag(flag) \
+       test_and_clear_ti_thread_flag(current_thread_info(), flag)
+#define test_thread_flag(flag) \
+       test_ti_thread_flag(current_thread_info(), flag)
+
+#define set_need_resched()     set_thread_flag(TIF_NEED_RESCHED)
+#define clear_need_resched()   clear_thread_flag(TIF_NEED_RESCHED)
 
 #endif