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authorTakashi Iwai <tiwai@suse.de>2009-01-15 18:27:20 +0100
committerTakashi Iwai <tiwai@suse.de>2009-01-15 18:27:20 +0100
commitc0106d72b8d71696dbe9dc80e2c77d4ac63f7531 (patch)
treeca96d2baecb0555e36219ed6968dc8e306e530ca /kernel/up.c
parent5852973c129cf7c7e6c229abb7250673fc2a50c9 (diff)
parenteff317d0834ad1ff03f747f6bc2d76b9a9c95160 (diff)
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Merge branch 'topic/asoc' into next/asoc
Diffstat (limited to 'kernel/up.c')
-rw-r--r--kernel/up.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/up.c b/kernel/up.c
new file mode 100644
index 00000000000..c04b9dcfceb
--- /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);