[tip:tracing/urgent] Make __stringify support variable argument macros too

[Zhaolei <zhaolei@cn.fujitsu.com>]

Commit-ID:  8f7c2c37319a81ef4c2bfdec67b1ccd5744d97e4
Gitweb:     http://git.kernel.org/tip/8f7c2c37319a81ef4c2bfdec67b1ccd5744d97e4
Author:     Zhaolei <zhaolei@cn.fujitsu.com>
AuthorDate: Wed, 8 Apr 2009 16:58:57 +0800
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 10 Apr 2009 15:48:52 +0200

Make __stringify support variable argument macros too

For example:

  __stringify(__entry->irq, __entry->ret)

will now convert it to:

  "REC->irq, REC->ret"

It also still supports single arguments as the old macro did.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <49DC6751.30308@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
 include/linux/stringify.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/stringify.h b/include/linux/stringify.h
index 0b43883..841cec8 100644
--- a/include/linux/stringify.h
+++ b/include/linux/stringify.h
@@ -6,7 +6,7 @@
  * converts to "bar".
  */
 
-#define __stringify_1(x)	#x
-#define __stringify(x)		__stringify_1(x)
+#define __stringify_1(x...)	#x
+#define __stringify(x...)	__stringify_1(x)
 
 #endif	/* !__LINUX_STRINGIFY_H */