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authorDavid Vrabel <david.vrabel@csr.com>2009-01-22 20:12:32 +0100
committerDavid Vrabel <david.vrabel@csr.com>2009-01-22 20:12:32 +0100
commitdff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch)
tree1c63e7c2f879cd322ca785671b74b4ff796dd24c /kernel/up.c
parentwusb: timeout when waiting for ASL/PZL updates in whci-hcd (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rol... (diff)
downloadlinux-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.xz
linux-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
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);