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panic, smp: provide smp_send_stop() wrapper on UP too

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Impact: cleanup, no code changed

Remove an ugly #ifdef CONFIG_SMP from panic(), by providing
an smp_send_stop() wrapper on UP too.

LKML-Reference: <49B91A7E.76E4.0078.0@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-03-13 11:14:06 +01:00
parent ffd71da4e3
commit d1dedb52ac
2 changed files with 3 additions and 3 deletions
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2
include/linux/smp.h
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@ -122,6 +122,8 @@ extern unsigned int setup_max_cpus;
#else /* !SMP */
static inline void smp_send_stop(void) { }
/*
* These macros fold the SMP functionality into a single CPU system
*/

2
kernel/panic.c
View file

@ -85,14 +85,12 @@ NORET_TYPE void panic(const char * fmt, ...)
*/
crash_kexec(NULL);
#ifdef CONFIG_SMP
/*
* Note smp_send_stop is the usual smp shutdown function, which
* unfortunately means it may not be hardened to work in a panic
* situation.
*/
smp_send_stop();
#endif
atomic_notifier_call_chain(&panic_notifier_list, 0, buf);