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Date: Sun, 20 Apr 2008 14:32:56 -0400 From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> To: akpm@...l.org, linux-kernel@...r.kernel.org Subject: [PATCH] Stringify support commas #define MYDEF a, b, c __stringify(MYDEF) should be replaced by "a, b, c", but compilation fails because the __stringify macro expects only one argument. Fix it by using variable macro arguments in __stringify and __stringify_1. Needed in my current NMI safe iret paravirt support work so I can expand a macro containing assembly code into a string. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> CC: akpm@...l.org --- include/linux/stringify.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux-2.6-lttng/include/linux/stringify.h =================================================================== --- linux-2.6-lttng.orig/include/linux/stringify.h 2008-04-20 14:25:12.000000000 -0400 +++ linux-2.6-lttng/include/linux/stringify.h 2008-04-20 14:25:33.000000000 -0400 @@ -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 */ -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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