lkml.org 
[lkml]   [2014]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[RFC][PATCH 5/8] sched,idle: Remove TS_POLLING support
Now that there are no architectures left using it, kill the support
for TS_POLLING.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
---
include/linux/sched.h | 46 ++--------------------------------------------
1 file changed, 2 insertions(+), 44 deletions(-)

--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2695,51 +2695,9 @@ static inline int spin_needbreak(spinloc

/*
* 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);



\
 
 \ /
  Last update: 2014-04-11 16:41    [W:0.242 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site