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authorDave Kleikamp <shaggy@linux.vnet.ibm.com>2009-02-02 13:40:55 -0600
committerDave Kleikamp <shaggy@linux.vnet.ibm.com>2009-02-02 13:40:55 -0600
commit8db0c5d5ef3ab99fe9e5151872b75f45c4282e3c (patch)
treeda9759151e00221c58cdd9f4de893c0b08753670 /kernel/up.c
parent1ad53a98c927a9b5b1b57288ac0edec562fbcf8d (diff)
parent45c82b5a770be66845687a7d027c8b52946d59af (diff)
Merge branch 'master' of /home/shaggy/git/linus-clean/
Diffstat (limited to 'kernel/up.c')
-rw-r--r--kernel/up.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/up.c b/kernel/up.c
new file mode 100644
index 00000000000..1ff27a28bb7
--- /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);