From c23dd2405fc2054345be33f8bb1d04b3b805202d Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Wed, 10 Jun 2020 17:39:35 +0200 Subject: [PATCH] csky: remove unusued thread_saved_pc and *_segments functions/macros 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 6474924e2b5d ("arch: remove unused macro/function thread_saved_pc()") commit c17c02040bf0 ("arch: remove unused *_segments() macros/functions") Remove them from arch/csky as well. Signed-off-by: Tobias Klauser Signed-off-by: Guo Ren Cc: Arnd Bergmann --- arch/csky/include/asm/processor.h | 6 ------ arch/csky/kernel/process.c | 10 ---------- 2 files changed, 16 deletions(-) diff --git a/arch/csky/include/asm/processor.h b/arch/csky/include/asm/processor.h index 24442d8e86f9..4800f6563abb 100644 --- a/arch/csky/include/asm/processor.h +++ b/arch/csky/include/asm/processor.h @@ -82,12 +82,6 @@ static inline void release_thread(struct task_struct *dead_task) extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); -#define copy_segments(tsk, mm) do { } while (0) -#define release_segments(mm) do { } while (0) -#define forget_segments() do { } while (0) - -extern unsigned long thread_saved_pc(struct task_struct *tsk); - unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc) diff --git a/arch/csky/kernel/process.c b/arch/csky/kernel/process.c index 8b3fad062ab2..3da63cf0bfde 100644 --- a/arch/csky/kernel/process.c +++ b/arch/csky/kernel/process.c @@ -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,