linux-kernel - [PATCH] x86: Workaround low-memory corruption by Phoenix/MSC BIOSes

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Message-ID: <20091106154404.002648d9@marrow.netinsight.se>
Date:	Fri, 6 Nov 2009 15:44:04 +0100
From:	Simon Kagstrom <simon.kagstrom@...insight.net>
To:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	x86@...nel.org
Subject: [PATCH] x86: Workaround low-memory corruption by Phoenix/MSC BIOSes

We have a board with a Phoenix/MSC BIOS which also corrupts the low
64KB of RAM, so add an entry to the table.

Signed-off-by: Simon Kagstrom <simon.kagstrom@...insight.net>
---
 arch/x86/kernel/setup.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e09f0e2..2a34f9c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -660,6 +660,13 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
 		},
 	},
 	{
+		.callback = dmi_low_memory_corruption,
+		.ident = "Phoenix/MSC BIOS",
+		.matches = {
+			DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix/MSC"),
+		},
+	},
+	{
 	/*
 	 * AMI BIOS with low memory corruption was found on Intel DG45ID board.
 	 * It hase different DMI_BIOS_VENDOR = "Intel Corp.", for now we will
-- 
1.6.0.4

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