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Commit 37c5f719 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[S390] Fix smp_call_function_mask semantics. 



Make sure func isn't called on the local cpu just like on all other
architectures that implement this function.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent a817a61f

arch/s390/kernel/smp.c

+3 −4
Original line number Original line Diff line number Diff line
@@ -225,12 +225,11 @@ EXPORT_SYMBOL(smp_call_function_single); 
 * You must not call this function with disabled interrupts or from a

 * You must not call this function with disabled interrupts or from a

 * hardware interrupt handler or from a bottom half handler.

 * hardware interrupt handler or from a bottom half handler.

 */

 */

int

int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info,

smp_call_function_mask(cpumask_t mask,

			void (*func)(void *), void *info,

			   int wait)

			   int wait)

{

{

	preempt_disable();

	preempt_disable();

	cpu_clear(smp_processor_id(), mask);

	__smp_call_function_map(func, info, 0, wait, mask);

	__smp_call_function_map(func, info, 0, wait, mask);

	preempt_enable();

	preempt_enable();

	return 0;

	return 0;