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csky: remove unusued thread_saved_pc and *_segments functions/macros

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These are used nowhere in the tree (except for some architectures which
define them for their own use) and were already removed for other
architectures in:

commit 6474924e2b ("arch: remove unused macro/function thread_saved_pc()")
commit c17c02040b ("arch: remove unused *_segments() macros/functions")

Remove them from arch/csky as well.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Tobias Klauser
2020-06-10 17:39:35 +02:00
committed by Guo Ren
parent 92ed301919
commit c23dd2405f
2 changed files with 0 additions and 16 deletions
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10
arch/csky/kernel/process.c
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@@ -30,16 +30,6 @@ asmlinkage void ret_from_kernel_thread(void);
*/
void flush_thread(void){}
/*
* Return saved PC from a blocked thread
*/
unsigned long thread_saved_pc(struct task_struct *tsk)
{
struct switch_stack *sw = (struct switch_stack *)tsk->thread.sp;
return sw->r15;
}
int copy_thread_tls(unsigned long clone_flags,
unsigned long usp,
unsigned long kthread_arg,