FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-13 21:02:35 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

sched/idle: Remove TS_POLLING support

Browse Source 
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>
This commit is contained in:
Peter Zijlstra 2014-04-09 14:30:10 +02:00 committed by Ingo Molnar
parent f80c5b39b8
commit 69dd0f8488
1 changed files with 2 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
include/linux/sched.h
View File

@ -2775,51 +2775,9 @@ static inline int spin_needbreak(spinlock_t *lock)
/* /*
* Idle thread specific functions to determine the need_resched * Idle thread specific functions to determine the need_resched
* polling state. We have two versions, one based on TS_POLLING in * polling state.
* thread_info.status and one based on TIF_POLLING_NRFLAG in
* thread_info.flags
*/ */
#ifdef TS_POLLING #ifdef TIF_POLLING_NRFLAG
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)
static inline int tsk_is_polling(struct task_struct *p) static inline int tsk_is_polling(struct task_struct *p)
{ {
return test_tsk_thread_flag(p, TIF_POLLING_NRFLAG); return test_tsk_thread_flag(p, TIF_POLLING_NRFLAG);