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author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-14 16:29:51 +1100 |
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committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-14 16:29:51 +1100 |
commit | cb7a97d01521797cad9f63e8478403c3e51fea49 (patch) | |
tree | 84cddf20369f82f10c1c3712e6cce20dd1b9d863 /kernel/up.c | |
parent | 0335cb76aa3fa913a2164bc9b669e5aef9d56fa3 (diff) | |
parent | a6525042bfdfcab128bd91fad264de10fd24a55e (diff) | |
download | linux-cb7a97d01521797cad9f63e8478403c3e51fea49.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'kernel/up.c')
-rw-r--r-- | kernel/up.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/up.c b/kernel/up.c new file mode 100644 index 000000000000..1ff27a28bb7d --- /dev/null +++ b/kernel/up.c @@ -0,0 +1,21 @@ +/* + * Uniprocessor-only support functions. The counterpart to kernel/smp.c + */ + +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/smp.h> + +int smp_call_function_single(int cpu, void (*func) (void *info), void *info, + int wait) +{ + WARN_ON(cpu != 0); + + local_irq_disable(); + (func)(info); + local_irq_enable(); + + return 0; +} +EXPORT_SYMBOL(smp_call_function_single); |