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arch: remove unused macro/function thread_saved_pc()

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The only user of thread_saved_pc() in non-arch-specific code was removed
in commit 8243d55977 ("sched/core: Remove pointless printout in
sched_show_task()").  Remove the implementations as well.

Some architectures use thread_saved_pc() in their arch-specific code.
Leave their thread_saved_pc() intact.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tobias Klauser
2017-06-28 15:30:02 +02:00
committed by Linus Torvalds
parent e547204f1f
commit 6474924e2b
41 changed files with 0 additions and 270 deletions
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17
arch/ia64/include/asm/processor.h
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@@ -601,23 +601,6 @@ ia64_set_unat (__u64 *unat, void *spill_addr, unsigned long nat)
*unat = (*unat & ~mask) | (nat << bit);
}
/*
* Return saved PC of a blocked thread.
* Note that the only way T can block is through a call to schedule() -> switch_to().
*/
static inline unsigned long
thread_saved_pc (struct task_struct *t)
{
struct unw_frame_info info;
unsigned long ip;
unw_init_from_blocked_task(&info, t);
if (unw_unwind(&info) < 0)
return 0;
unw_get_ip(&info, &ip);
return ip;
}
/*
* Get the current instruction/program counter value.
*/