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From: Andreas Herrmann <andreas.herrmann3@amd.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 5/7] x86: memtest: add additional (silly) test patterns
Date: Fri, 13 Feb 2009 15:57:35 +0100	[thread overview]
Message-ID: <20090213145735.GE13000@alberich.amd.com> (raw)
In-Reply-To: <20090213144600.GA6298@alberich.amd.com>


Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
---
 arch/x86/mm/memtest.c |   22 ++++++++++++++++------
 1 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 54c143b..e3e986d 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -9,15 +9,25 @@
 
 #include <asm/e820.h>
 
+#ifdef CONFIG_X86_64
+#define _regular_pattern(p) 0x##p##p##p##p##p##p##p##p##UL
+#else
+#define _regular_pattern(p) 0x##p##p##p##p##UL
+#endif
+
 static unsigned long patterns[] = {
-	0UL,
-	-1UL,
+	_regular_pattern(00),_regular_pattern(ff),
+	_regular_pattern(55),_regular_pattern(aa),
+	_regular_pattern(11),_regular_pattern(22),
+	_regular_pattern(44),_regular_pattern(88),
+	_regular_pattern(33),_regular_pattern(66),
+	_regular_pattern(99),_regular_pattern(cc),
+	_regular_pattern(77),_regular_pattern(bb),
+	_regular_pattern(dd),_regular_pattern(ee),
 #ifdef CONFIG_X86_64
-	0x5555555555555555UL,
-	0xaaaaaaaaaaaaaaaaUL,
+	0x7a6c7258554e494cUL, /* 64-bit only ;-) */
 #else
-	0x55555555UL,
-	0xaaaaaaaaUL,
+	0xefbeadde,
 #endif
 };
 
-- 
1.6.1.2




  parent reply	other threads:[~2009-02-13 14:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-13 14:46 [PATCH 0/7] x86: memtest update Andreas Herrmann
2009-02-13 14:49 ` [PATCH 1/7] x86: memtest: reuse test patterns when memtest parameter exceeds number of available patterns Andreas Herrmann
2009-02-13 14:51 ` [PATCH 2/7] x86: memtest: introduce array to store memtest patterns Andreas Herrmann
2009-02-13 17:52   ` H. Peter Anvin
2009-02-17 10:24     ` Andreas Herrmann
2009-02-17 20:58       ` Yinghai Lu
2009-02-13 14:52 ` [PATCH 3/7] x86: memtest: cleanup memtest function Andreas Herrmann
2009-02-13 14:55 ` [PATCH 4/7] x86: memtest: adapt log messages Andreas Herrmann
2009-02-13 16:53   ` Ingo Molnar
2009-02-13 17:04     ` Jaswinder Singh Rajput
2009-02-13 17:46       ` H. Peter Anvin
2009-02-17 10:27         ` Andreas Herrmann
2009-02-17 10:29     ` Andreas Herrmann
2009-02-13 14:57 ` Andreas Herrmann [this message]
2009-02-13 14:59 ` [PATCH 6/7] x86: memtest: wipe out test pattern from memory Andreas Herrmann
2009-02-13 15:00 ` [PATCH 7/7] x86: update description for memtest boot parameter Andreas Herrmann

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