linux-kernel - [PATCH 6/7] x86: memtest: wipe out test pattern from memory

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Message-ID: <20090213145905.GF13000@alberich.amd.com>
Date:	Fri, 13 Feb 2009 15:59:05 +0100
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] x86: memtest: wipe out test pattern from memory


Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>
---
 arch/x86/mm/memtest.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index e3e986d..bea66d5 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -126,6 +126,13 @@ void __init early_memtest(unsigned long start, unsigned long end)
 
 			t_start += t_size;
 		}
+		if (idx && (i == (memtest_pattern - 1))) {
+			i = -1;
+			memtest_pattern = 1;
+			printk(KERN_CONT "\n");
+			printk(KERN_INFO "early_memtest: wipe out last pattern");
+			continue; /* one more test to wipe out patterns */
+		}
 	}
 	printk(KERN_CONT "\n");
 }
-- 
1.6.1.2



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