linux-kernel - [PATCH 1/2] linux/kernel.h: define SYMBOL

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Date:	Fri, 23 Nov 2012 12:08:15 +0000
From:	James Hogan <james.hogan@...tec.com>
To:	David Howells <dhowells@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Joe Perches" <joe@...ches.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Jean Delvare <khali@...ux-fr.org>,
	Ralf Baechle <ralf@...ux-mips.org>
CC:	<linux-kernel@...r.kernel.org>,
	James Hogan <james.hogan@...tec.com>,
	Mike Frysinger <vapier@...too.org>
Subject: [PATCH 1/2] linux/kernel.h: define SYMBOL_PREFIX

Define SYMBOL_PREFIX to be the same as CONFIG_SYMBOL_PREFIX if set by
the architecture, or "" otherwise. This avoids the need for ugly #ifdefs
whenever symbols are referenced in asm blocks.

Signed-off-by: James Hogan <james.hogan@...tec.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Joe Perches <joe@...ches.com>
Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
Cc: Jean Delvare <khali@...ux-fr.org>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Mike Frysinger <vapier@...too.org>
---
 include/linux/kernel.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index a123b13..7d8dfc7 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -701,6 +701,13 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 #define COMPACTION_BUILD 0
 #endif
 
+/* This helps us to avoid #ifdef CONFIG_SYMBOL_PREFIX */
+#ifdef CONFIG_SYMBOL_PREFIX
+#define SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
+#else
+#define SYMBOL_PREFIX ""
+#endif
+
 /* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
 # define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
-- 
1.7.7.6


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