linux-kernel - [PATCH] x86: Add quirk for Intel DG45FC board to avoid low memory corruption

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Message-ID: <20100128200254.GA9134@hardeman.nu>
Date:	Thu, 28 Jan 2010 21:02:54 +0100
From:	David Härdeman <david@...deman.nu>
To:	linux-kernel@...r.kernel.org
Cc:	bug-track@...her-privat.net, yakui.zhao@...el.com,
	aabonesml@...il.com, mingo@...e.hu
Subject: [PATCH] x86: Add quirk for Intel DG45FC board to avoid low memory
 corruption

Commit 6aa542a694dc9ea4344a8a590d2628c33d1b9431 added a quirk for the
Intel DG45ID board due to low memory corruption. The Intel DG45FC
shares the same BIOS (and the same bug) as noted in:

  http://bugzilla.kernel.org/show_bug.cgi?id=13736

Signed-off-by: David Härdeman <david@...deman.nu>
Cc: <stable@...nel.org>
Cc: Alexey Fisher <bug-track@...her-privat.net>
Cc: ykzhao <yakui.zhao@...el.com>
Cc: Tony Bones <aabonesml@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>

---
 arch/x86/kernel/setup.c |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f7b8b98..5d9e40c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -642,19 +642,27 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
 			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
+	 * AMI BIOS with low memory corruption was found on Intel DG45ID and
+	 * DG45FC boards.
+	 * It has a different DMI_BIOS_VENDOR = "Intel Corp.", for now we will
 	 * match only DMI_BOARD_NAME and see if there is more bad products
 	 * with this vendor.
 	 */
+	{
 		.callback = dmi_low_memory_corruption,
 		.ident = "AMI BIOS",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_NAME, "DG45ID"),
 		},
 	},
+	{
+		.callback = dmi_low_memory_corruption,
+		.ident = "AMI BIOS",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "DG45FC"),
+		},
+	},
 #endif
 	{}
 };
-- 
1.6.6

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