linux-kernel - [PATCH] Immediate Values - Powerpc Optimization Fix

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Message-ID: <20070828204006.GD10071@Krystal>
Date:	Tue, 28 Aug 2007 16:40:06 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc:	Christoph Hellwig <hch@...radead.org>
Subject: [PATCH] Immediate Values - Powerpc Optimization Fix

Immediate Values Powerpc Optimization Fix

Fix a bad call to flush_icache_range(). The second parameter is the end address
of the range, not the length.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
CC: Christoph Hellwig <hch@...radead.org>
---
 arch/powerpc/kernel/immediate.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6-lttng/arch/powerpc/kernel/immediate.c
===================================================================
--- linux-2.6-lttng.orig/arch/powerpc/kernel/immediate.c	2007-08-28 16:36:10.000000000 -0400
+++ linux-2.6-lttng/arch/powerpc/kernel/immediate.c	2007-08-28 16:36:40.000000000 -0400
@@ -67,7 +67,7 @@ int arch_immediate_update(const struct _
 	memcpy((void*)immediate->immediate, (void*)immediate->var,
 			immediate->size);
 	flush_icache_range((unsigned long)immediate->immediate,
-				immediate->size);
+		(unsigned long)immediate->immediate + immediate->size);
 	return 0;
 }
 
@@ -99,5 +99,5 @@ void __init arch_immediate_update_early(
 	memcpy((void*)immediate->immediate, (void*)immediate->var,
 			immediate->size);
 	flush_icache_range((unsigned long)immediate->immediate,
-				immediate->size);
+		(unsigned long)immediate->immediate + immediate->size);
 }

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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