diff options
Diffstat (limited to 'include/linux/freezer.h')
| -rw-r--r-- | include/linux/freezer.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 393063096134..5e75e26d4787 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -16,16 +16,15 @@ static inline int frozen(struct task_struct *p) */ static inline int freezing(struct task_struct *p) { - return p->flags & PF_FREEZE; + return test_tsk_thread_flag(p, TIF_FREEZE); } /* * Request that a process be frozen - * FIXME: SMP problem. We may not modify other process' flags! */ static inline void freeze(struct task_struct *p) { - p->flags |= PF_FREEZE; + set_tsk_thread_flag(p, TIF_FREEZE); } /* @@ -33,7 +32,7 @@ static inline void freeze(struct task_struct *p) */ static inline void do_not_freeze(struct task_struct *p) { - p->flags &= ~PF_FREEZE; + clear_tsk_thread_flag(p, TIF_FREEZE); } /* @@ -54,7 +53,9 @@ static inline int thaw_process(struct task_struct *p) */ static inline void frozen_process(struct task_struct *p) { - p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN; + p->flags |= PF_FROZEN; + wmb(); + clear_tsk_thread_flag(p, TIF_FREEZE); } extern void refrigerator(void); |