diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-04-09 14:30:10 +0200 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2014-12-03 09:56:25 +0800 |
| commit | a7b8bef44e4bffb69377a1c9e99e72db719529e4 (patch) | |
| tree | 0d42d2a782775918aa33cec0a0a49224ad9a4909 | |
| parent | d4f867e7f27efb80ab4b6cd4f63543cfb22c5b86 (diff) | |
sched/idle: Remove TS_POLLING support
Now that there are no architectures left using it, kill the support
for TS_POLLING.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/n/tip-6yurip2tfix2f4bfc5agu2s0@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 69dd0f848879328ae6c6f54c2ec80e49eef042d8)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
| -rw-r--r-- | include/linux/sched.h | 46 |
1 files changed, 2 insertions, 44 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 18d220f3e0b..5fad298f139 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2622,51 +2622,9 @@ static inline int spin_needbreak(spinlock_t *lock) /* * Idle thread specific functions to determine the need_resched - * polling state. We have two versions, one based on TS_POLLING in - * thread_info.status and one based on TIF_POLLING_NRFLAG in - * thread_info.flags + * polling state. */ -#ifdef TS_POLLING -static inline int tsk_is_polling(struct task_struct *p) -{ - return task_thread_info(p)->status & TS_POLLING; -} -static inline void __current_set_polling(void) -{ - current_thread_info()->status |= TS_POLLING; -} - -static inline bool __must_check current_set_polling_and_test(void) -{ - __current_set_polling(); - - /* - * Polling state must be visible before we test NEED_RESCHED, - * paired by resched_task() - */ - smp_mb(); - - return unlikely(tif_need_resched()); -} - -static inline void __current_clr_polling(void) -{ - current_thread_info()->status &= ~TS_POLLING; -} - -static inline bool __must_check current_clr_polling_and_test(void) -{ - __current_clr_polling(); - - /* - * Polling state must be visible before we test NEED_RESCHED, - * paired by resched_task() - */ - smp_mb(); - - return unlikely(tif_need_resched()); -} -#elif defined(TIF_POLLING_NRFLAG) +#ifdef TIF_POLLING_NRFLAG static inline int tsk_is_polling(struct task_struct *p) { return test_tsk_thread_flag(p, TIF_POLLING_NRFLAG); |