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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-14 16:29:51 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-14 16:29:51 +1100
commitcb7a97d01521797cad9f63e8478403c3e51fea49 (patch)
tree84cddf20369f82f10c1c3712e6cce20dd1b9d863 /kernel/up.c
parent0335cb76aa3fa913a2164bc9b669e5aef9d56fa3 (diff)
parenta6525042bfdfcab128bd91fad264de10fd24a55e (diff)
downloadlinux-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.c21
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);