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sanitize tsk_is_polling()

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Make default just return 0.  The current default (checking
TIF_POLLING_NRFLAG) is taken to architectures that need it;
ones that don't do polling in their idle threads don't need
to defined TIF_POLLING_NRFLAG at all.

ia64 defined both TS_POLLING (used by its tsk_is_polling())
and TIF_POLLING_NRFLAG (not used at all).  Killed the latter...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-06-01 14:22:01 -04:00
parent 8af4efac26
commit 16a8016372
26 changed files with 20 additions and 38 deletions
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1
arch/c6x/include/asm/thread_info.h
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@@ -97,7 +97,6 @@ struct thread_info *current_thread_info(void)
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
#define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */
#define TIF_POLLING_NRFLAG 16 /* true if polling TIF_NEED_RESCHED */
#define TIF_MEMDIE 17 /* OOM killer killed process */
#define TIF_WORK_MASK 0x00007FFE /* work on irq/exception return */

1
arch/c6x/kernel/asm-offsets.c
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@@ -116,7 +116,6 @@ void foo(void)
DEFINE(_TIF_NOTIFY_RESUME, (1<<TIF_NOTIFY_RESUME));
DEFINE(_TIF_SIGPENDING, (1<<TIF_SIGPENDING));
DEFINE(_TIF_NEED_RESCHED, (1<<TIF_NEED_RESCHED));
DEFINE(_TIF_POLLING_NRFLAG, (1<<TIF_POLLING_NRFLAG));
DEFINE(_TIF_ALLWORK_MASK, TIF_ALLWORK_MASK);
DEFINE(_TIF_WORK_MASK, TIF_WORK_MASK);