diff options
Diffstat (limited to 'kernel/up.c')
-rw-r--r-- | kernel/up.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/up.c b/kernel/up.c new file mode 100644 index 000000000000..c04b9dcfcebe --- /dev/null +++ b/kernel/up.c @@ -0,0 +1,20 @@ +/* + * Uniprocessor-only support functions. The counterpart to kernel/smp.c + */ + +#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); |