Commit-ID: 69dd0f848879328ae6c6f54c2ec80e49eef042d8
Gitweb: http://git.kernel.org/tip/69dd0f848879328ae6c6f54c2ec80e49eef042d8
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Wed, 9 Apr 2014 14:30:10 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 8 May 2014 09:16:57 +0200
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@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-6yurip2tfix2f4bfc5agu2s0@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
include/linux/sched.h | 46 ++--------------------------------------------
1 file changed, 2 insertions(+), 44 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index accb66b..725eef1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2775,51 +2775,9 @@ 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);
--
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