csky: remove unusued thread_saved_pc and *_segments functions/macros (c23dd240) · Commits · 戴 / test

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 ("arch: remove unused macro/function thread_saved_pc()") commit ("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>

arch/csky/include/asm/processor.h

+0 −6

Original line number	Diff line number	Diff line
		@@ -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)

arch/csky/kernel/process.c

+0 −10

Original line number	Diff line number	Diff line
		@@ -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,

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