linux-kernel - [PATCH 5/10] compiler{,-gcc4}.h: Remove duplicate macros

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Message-Id: <1348874411-28288-6-git-send-email-daniel.santos@pobox.com>
Date:	Fri, 28 Sep 2012 18:20:06 -0500
From:	Daniel Santos <daniel.santos@...ox.com>
To:	LKML <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christopher Li <sparse@...isli.org>,
	Daniel Santos <daniel.santos@...ox.com>,
	David Daney <david.daney@...ium.com>,
	David Howells <dhowells@...hat.com>,
	Joe Perches <joe@...ches.com>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	linux-sparse@...r.kernel.org,
	Michel Lespinasse <walken@...gle.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Pavel Pisa <pisa@....felk.cvut.cz>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 5/10] compiler{,-gcc4}.h: Remove duplicate macros

__linktime_error() does the same thing as __compiletime_error() and is
only used in bug.h.  Since the macro defines a function attribute that
will cause a failure at compile-time (not link-time), it makes more
sense to keep __compiletime_error(), which is also neatly mated with
__compiletime_warning().

Signed-off-by: Daniel Santos <daniel.santos@...ox.com>
---
 include/linux/compiler-gcc4.h |    2 --
 include/linux/compiler.h      |    3 ---
 2 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index b44307d..ad610f2 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -33,8 +33,6 @@
    the kernel context */
 #define __cold			__attribute__((__cold__))
 
-#define __linktime_error(message) __attribute__((__error__(message)))
-
 #ifndef __CHECKER__
 # define __compiletime_warning(message) __attribute__((warning(message)))
 # define __compiletime_error(message) __attribute__((error(message)))
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index f430e41..fd455aa 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -297,9 +297,6 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 #ifndef __compiletime_error
 # define __compiletime_error(message)
 #endif
-#ifndef __linktime_error
-# define __linktime_error(message)
-#endif
 /*
  * Prevent the compiler from merging or refetching accesses.  The compiler
  * is also forbidden from reordering successive instances of ACCESS_ONCE(),
-- 
1.7.3.4

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