smp: export __smp_call_function_single()

axboe · axboe · commit e3daab6ce467 · 2013-10-25T11:55:59.000+01:00
The blk-mq core and the blk-mq null driver uses it.

Reviewed-by: Christoph Hellwig &lt;hch@lst.de&gt;
Acked-by: Ingo Molnar &lt;mingo@kernel.org&gt;
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
diff --git a/kernel/smp.c b/kernel/smp.c
@@ -340,6 +340,7 @@ void __smp_call_function_single(int cpu, struct call_single_data *csd,
 	}
 	put_cpu();
 }
+EXPORT_SYMBOL_GPL(__smp_call_function_single);
 
 /**
  * smp_call_function_many(): Run a function on a set of other CPUs.

Original file line number	Diff line number	Diff line change
`@@ -340,6 +340,7 @@ void __smp_call_function_single(int cpu, struct call_single_data *csd,`
`340`	`340`	`}`
`341`	`341`	`put_cpu();`
`342`	`342`	`}`
	`343`	`+EXPORT_SYMBOL_GPL(__smp_call_function_single);`
`343`	`344`
`344`	`345`	`/**`
`345`	`346`	`* smp_call_function_many(): Run a function on a set of other CPUs.`