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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-01 12:50:26 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-01 12:50:26 -0800
commit4cff7adbebf4d25f662b13c6582b945d9d549e25 (patch)
treecfb6bc0aaab6ad7fa7ca2bb07453ed2fd139138c /tools/virtio/linux/compiler.h
parent7e3933df9874b70745548ce9177295d11c58fc21 (diff)
parent36f90b0a2ddd60823fe193a85e60ff1906c2a9b3 (diff)
Merge 4.5-rc2 into staging-next
This fixes a merge issue with the panel driver, and picks up fixes in iio and other drivers that we want here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/virtio/linux/compiler.h')
-rw-r--r--tools/virtio/linux/compiler.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h
new file mode 100644
index 000000000000..845960e1cbf2
--- /dev/null
+++ b/tools/virtio/linux/compiler.h
@@ -0,0 +1,9 @@
+#ifndef LINUX_COMPILER_H
+#define LINUX_COMPILER_H
+
+#define WRITE_ONCE(var, val) \
+ (*((volatile typeof(val) *)(&(var))) = (val))
+
+#define READ_ONCE(var) (*((volatile typeof(val) *)(&(var))))
+
+#endif