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Commit d1dedb52 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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



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: default avatarIngo Molnar <mingo@elte.hu>
parent ffd71da4

include/linux/smp.h

+3 −1
Original line number Diff line number Diff line
@@ -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

 */

kernel/panic.c

+0 −2
Original line number Diff line number Diff line
@@ -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);