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[Fwd:,[PATCH] fix WARN() for PPC]

Message ID 1224544418.7654.182.camel@pasglop (mailing list archive)
State Accepted, archived
Delegated to: Benjamin Herrenschmidt
Headers show

Commit Message

Benjamin Herrenschmidt Oct. 20, 2008, 11:13 p.m. UTC 
-------- Forwarded Message --------
From: Arjan van de Ven <arjan@infradead.org>
To: torvalds@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, johannes@sipsolutions.net,
davem@davemloft.net, Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: [PATCH] fix WARN() for PPC
Date: Mon, 20 Oct 2008 14:50:56 -0700

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

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