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From: Anton Blanchard <anton@linuxcare.com.au>
To: torvalds@transmeta.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] Fix raid5 on sparc
Date: Wed, 10 Jan 2001 11:48:55 +1100	[thread overview]
Message-ID: <20010110114855.X662@linuxcare.com> (raw)


Hi,

On sparc the length of an xor block must be a multiple of 128 bytes.
Bad things happen otherwise.

Anton

Index: xor.c
===================================================================
RCS file: /cvs/linux/drivers/md/xor.c,v
retrieving revision 1.3
diff -u -r1.3 xor.c
--- xor.c	2000/12/06 13:30:36	1.3
+++ xor.c	2001/01/10 00:43:02
@@ -58,7 +58,11 @@
 static struct xor_block_template *template_list;
 
 /* The -6*32 shift factor colors the cache.  */
+#ifdef __sparc__
+#define BENCH_SIZE (PAGE_SIZE)
+#else
 #define BENCH_SIZE (PAGE_SIZE-6*32)
+#endif
 
 static void
 do_xor_speed(struct xor_block_template *tmpl, void *b1, void *b2)
-
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                 reply	other threads:[~2001-01-10  0:53 UTC|newest]

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