Commit 13511489 authored by Levi Yun's avatar Levi Yun Committed by Steven Rostedt (Google)
Browse files

ftrace: Use within_module to check rec->ip within specified module. 

within_module_core && within_module_init condition is same to
within module but it's more readable.

Use within_module instead of former condition to check rec->ip
within specified module area or not.

Link: https://lore.kernel.org/linux-trace-kernel/20230803205236.32201-1-ppbuk5246@gmail.com



Signed-off-by: default avatarLevi Yun <ppbuk5246@gmail.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 2933d3cd

kernel/trace/ftrace.c

+2 −4
Original line number Diff line number Diff line
@@ -6779,8 +6779,7 @@ void ftrace_release_mod(struct module *mod) 
	last_pg = &ftrace_pages_start;

	for (pg = ftrace_pages_start; pg; pg = *last_pg) {

		rec = &pg->records[0];

		if (within_module_core(rec->ip, mod) ||

		    within_module_init(rec->ip, mod)) {

		if (within_module(rec->ip, mod)) {

			/*

			 * As core pages are first, the first

			 * page should never be a module page.
@@ -6852,8 +6851,7 @@ void ftrace_module_enable(struct module *mod) 
		 * not part of this module, then skip this pg,

		 * which the "break" will do.

		 */

		if (!within_module_core(rec->ip, mod) &&

		    !within_module_init(rec->ip, mod))

		if (!within_module(rec->ip, mod))

			break;



		/* Weak functions should still be ignored */