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

[Benjamin Herrenschmidt]

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

From: Arjan van de Ven <arjan at 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 at linux.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