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stopmachine: Define __stop_machine when CONFIG_STOP_MACHINE=n

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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>
This commit is contained in:
Masami Hiramatsu 2010-10-14 12:10:30 +09:00 committed by Ingo Molnar
parent fd02e6f7ae
commit 087a4eb559
1 changed files with 8 additions and 2 deletions
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10
include/linux/stop_machine.h
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@ -126,8 +126,8 @@ 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,
const struct cpumask *cpus)
static inline int __stop_machine(int (*fn)(void *), void *data,
const struct cpumask *cpus)
{
int ret;
local_irq_disable();
@ -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 */