linux-kernel - [PATCH] fix WARN() for PPC

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Message-ID: <20081020145056.24d84992@infradead.org>
Date:	Mon, 20 Oct 2008 14:50:56 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	torvalds@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, johannes@...solutions.net,
	davem@...emloft.net,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: [PATCH] fix WARN() for PPC


From: Arjan van de Ven <arjan@...ux.intel.com>
Date: Mon, 20 Oct 2008 14:41:03 -0700
Subject: [PATCH] fix WARN() for PPC

powerpc doesn't use the generic WARN_ON infrastructure. The newly introduced WARN()
as a result didn't print the message, this patch adds the printk for this specific case.

Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
---
 include/asm-generic/bug.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 0f6dabd..12c07c1 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -41,7 +41,7 @@ extern void warn_slowpath(const char *file, const int line,
 #define __WARN() warn_on_slowpath(__FILE__, __LINE__)
 #define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
 #else
-#define __WARN_printf(arg...) __WARN()
+#define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0)
 #endif
 
 #ifndef WARN_ON
-- 
1.5.5.1



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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