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From: David Daney <ddaney@caviumnetworks.com>
To: torvalds@linux-foundation.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	David Daney <ddaney@caviumnetworks.com>
Subject: [PATCH 03/11] MIPS: Convert BUG() to use unreachable()
Date: Mon, 14 Sep 2009 14:55:32 -0700	[thread overview]
Message-ID: <1252965340-31735-3-git-send-email-ddaney@caviumnetworks.com> (raw)
In-Reply-To: <4AAEBAC2.1050905@caviumnetworks.com>

Use the new unreachable() macro instead of while(1);

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/bug.h |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/mips/include/asm/bug.h b/arch/mips/include/asm/bug.h
index 6cf29c2..540c98a 100644
--- a/arch/mips/include/asm/bug.h
+++ b/arch/mips/include/asm/bug.h
@@ -11,9 +11,7 @@
 static inline void __noreturn BUG(void)
 {
 	__asm__ __volatile__("break %0" : : "i" (BRK_BUG));
-	/* Fool GCC into thinking the function doesn't return. */
-	while (1)
-		;
+	unreachable();
 }
 
 #define HAVE_ARCH_BUG
-- 
1.6.2.5


  parent reply	other threads:[~2009-09-14 21:58 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-14 21:50 [PATCH 00/11] Add support for GCC's __builtin_unreachable() and use it in BUG (v2) David Daney
2009-09-14 21:55 ` [PATCH 01/11] Add support for GCC-4.5's __builtin_unreachable() to compiler.h (v2) David Daney
2009-09-14 21:55 ` [PATCH 02/11] x86: Convert BUG() to use unreachable() David Daney
2009-09-14 21:55 ` David Daney [this message]
2009-09-15  8:39   ` [PATCH] MIPS: Make more use of unreachable() Ralf Baechle
2009-09-14 21:55 ` [PATCH 04/11] s390: Convert BUG() to use unreachable() David Daney
2009-09-14 21:55 ` [PATCH 05/11] mn10300: " David Daney
2009-09-14 21:55 ` [PATCH 06/11] parisc: " David Daney
2009-09-14 21:55 ` [PATCH 07/11] powerpc: " David Daney
2009-09-14 21:55 ` [PATCH 08/11] alpha: " David Daney
2009-09-14 21:55 ` [PATCH 09/11] avr32: " David Daney
2009-09-14 21:55 ` [PATCH 10/11] blackfin: " David Daney
2009-09-14 21:55 ` [PATCH 11/11] Use unreachable() in asm-generic/bug.h for !CONFIG_BUG case David Daney
2009-09-14 23:12   ` Brian Gerst
2009-09-14 23:28     ` David Daney
2009-09-14 23:39       ` Linus Torvalds
2009-09-15 15:35         ` David Daney
2009-09-14 23:54       ` Brian Gerst
2009-09-15 16:02         ` David Daney

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