diff options
Diffstat (limited to 'include/asm-generic/preempt.h')
| -rw-r--r-- | include/asm-generic/preempt.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-generic/preempt.h b/include/asm-generic/preempt.h index a1fc6590a74..8100b1ec171 100644 --- a/include/asm-generic/preempt.h +++ b/include/asm-generic/preempt.h @@ -28,6 +28,20 @@ static __always_inline void preempt_count_set(int pc) } /* + * must be macros to avoid header recursion hell + */ +#define task_preempt_count(p) \ + (task_thread_info(p)->preempt_count & ~PREEMPT_NEED_RESCHED) + +#define init_task_preempt_count(p) do { \ + task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \ +} while (0) + +#define init_idle_preempt_count(p, cpu) do { \ + task_thread_info(p)->preempt_count = PREEMPT_ENABLED; \ +} while (0) + +/* * We fold the NEED_RESCHED bit into the preempt count such that * preempt_enable() can decrement and test for needing to reschedule with a * single instruction. |