Commit 6644c654 authored by Weizhao Ouyang's avatar Weizhao Ouyang Committed by Steven Rostedt (VMware)
Browse files

ftrace: Cleanup ftrace_dyn_arch_init() 

Most of ARCHs use empty ftrace_dyn_arch_init(), introduce a weak common
ftrace_dyn_arch_init() to cleanup them.

Link: https://lkml.kernel.org/r/20210909090216.1955240-1-o451686892@gmail.com



Acked-by: Heiko Carstens <hca@linux.ibm.com> (s390)
Acked-by: Helge Deller <deller@gmx.de> (parisc)
Signed-off-by: default avatarWeizhao Ouyang <o451686892@gmail.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 21ccc9cd

arch/arm/kernel/ftrace.c

+0 −5
Original line number Diff line number Diff line
@@ -193,11 +193,6 @@ int ftrace_make_nop(struct module *mod, 


	return ret;

}



int __init ftrace_dyn_arch_init(void)

{

	return 0;

}

#endif /* CONFIG_DYNAMIC_FTRACE */



#ifdef CONFIG_FUNCTION_GRAPH_TRACER

arch/arm64/kernel/ftrace.c

+0 −5
Original line number Diff line number Diff line
@@ -236,11 +236,6 @@ void arch_ftrace_update_code(int command) 
	command |= FTRACE_MAY_SLEEP;

	ftrace_modify_all_code(command);

}



int __init ftrace_dyn_arch_init(void)

{

	return 0;

}

#endif /* CONFIG_DYNAMIC_FTRACE */



#ifdef CONFIG_FUNCTION_GRAPH_TRACER

arch/csky/kernel/ftrace.c

+0 −5
Original line number Diff line number Diff line
@@ -133,11 +133,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func) 
				(unsigned long)func, true, true);

	return ret;

}



int __init ftrace_dyn_arch_init(void)

{

	return 0;

}

#endif /* CONFIG_DYNAMIC_FTRACE */



#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS

arch/ia64/kernel/ftrace.c

+0 −6
Original line number Diff line number Diff line
@@ -194,9 +194,3 @@ int ftrace_update_ftrace_func(ftrace_func_t func) 
	flush_icache_range(addr, addr + 16);

	return 0;

}
 


/* run from kstop_machine */

int __init ftrace_dyn_arch_init(void)

{

	return 0;

}

arch/microblaze/kernel/ftrace.c

+0 −5
Original line number Diff line number Diff line
@@ -163,11 +163,6 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) 
	return ret;

}



int __init ftrace_dyn_arch_init(void)

{

	return 0;

}



int ftrace_update_ftrace_func(ftrace_func_t func)

{

	unsigned long ip = (unsigned long)(&ftrace_call);