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Subject: [PATCH] Set ARCH_MIN_TASKALIGN on ppc32
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrew Morton <akpm@osdl.org>
Cc: Linus Torvalds <torvalds@osdl.org>,
       Linux Kernel list <linux-kernel@vger.kernel.org>
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Date: Thu, 22 Apr 2004 13:49:59 +1000
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Please apply, or the task struct gets unaligned when using SLAB_DEBUG,
causing random problems with FP and Altivec.

Ben.


-----Forwarded Message-----
From: David Woodhouse <dwmw2@infradead.org>
To: benh@kernel.crashing.org
Subject: [PATCH] Set ARCH_MIN_TASKALIGN on ppc32
Date: Wed, 21 Apr 2004 22:14:23 -0400

...lest CONFIG_DEBUG_SLAB make it unaligned.

--- include/asm-ppc/processor.h~	2004-04-21 16:38:03.000000000 -0400
+++ include/asm-ppc/processor.h	2004-04-21 21:48:48.000000000 -0400
@@ -121,6 +121,8 @@
 #endif /* CONFIG_ALTIVEC */
 };
 
+#define ARCH_MIN_TASKALIGN 16
+
 #define INIT_SP		(sizeof(init_stack) + (unsigned long) &init_stack)
 
 #define INIT_THREAD { \
-- 
Benjamin Herrenschmidt <benh@kernel.crashing.org>