Commit 087a4eb5 authored Oct 14, 2010 by Masami Hiramatsu Committed by Ingo Molnar Oct 14, 2010

stopmachine: Define __stop_machine when CONFIG_STOP_MACHINE=n



Define dummy __stop_machine() function even when
CONFIG_STOP_MACHINE=n. This getcpu-required version of
stop_machine() will be used from poke_text_smp().

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: 2nddept-manager@sdl.hitachi.co.jp
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20101014031030.4100.34156.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent fd02e6f7

include/linux/stop_machine.h

+8 −2

Original line number	Diff line number	Diff line
		@@ -126,7 +126,7 @@ int __stop_machine(int (fn)(void ), void data, const struct cpumask cpus);

		#else /* CONFIG_STOP_MACHINE && CONFIG_SMP */

		static inline int stop_machine(int (fn)(void ), void *data,
		static inline int __stop_machine(int (fn)(void ), void *data,
		const struct cpumask *cpus)
		{
		int ret;
		@@ -136,5 +136,11 @@ static inline int stop_machine(int (fn)(void ), void *data,
		return ret;
		}

		static inline int stop_machine(int (fn)(void ), void *data,
		const struct cpumask *cpus)
		{
		return __stop_machine(fn, data, cpus);
		}

		#endif /* CONFIG_STOP_MACHINE && CONFIG_SMP */
		#endif /* _LINUX_STOP_MACHINE */