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
next prev 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090213145735.GE13000@alberich.amd.com \
--to=andreas.herrmann3@amd.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox