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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 <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Tobias Klauser 2017-06-28 15:30:02 +02:00 • committed by Linus Torvalds
commit 6474924e2b
41 changed files with 0 additions and 270 deletions
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5
arch/frv/include/asm/processor.h
View file

@ -96,11 +96,6 @@ extern asmlinkage void *restore_user_regs(const struct user_context *target, ...
#define release_segments(mm) do { } while (0)
#define forget_segments() do { } while (0)
/*
* Return saved PC of a blocked thread.
*/
extern unsigned long thread_saved_pc(struct task_struct *tsk);
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc)

9
arch/frv/kernel/process.c
View file

@ -198,15 +198,6 @@ unsigned long get_wchan(struct task_struct *p)
return 0;
}
unsigned long thread_saved_pc(struct task_struct *tsk)
{
/* Check whether the thread is blocked in resume() */
if (in_sched_functions(tsk->thread.pc))
return ((unsigned long *)tsk->thread.fp)[2];
else
return tsk->thread.pc;
}
int elf_check_arch(const struct elf32_hdr *hdr)
{
unsigned long hsr0 = __get_HSR(0);