* [PATCH] Set ARCH_MIN_TASKALIGN on ppc32
@ 2004-04-22 3:49 Benjamin Herrenschmidt
0 siblings, 0 replies; only message in thread
From: Benjamin Herrenschmidt @ 2004-04-22 3:49 UTC (permalink / raw)
To: Andrew Morton; +Cc: Linus Torvalds, Linux Kernel list
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>
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