linux-kernel - [PATCH] Add TAINT_FIRMWARE

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Message-Id: <1318958650-12447-1-git-send-email-prarit@redhat.com>
Date:	Tue, 18 Oct 2011 13:24:10 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Prarit Bhargava <prarit@...hat.com>, x86@...nel.org
Subject: [PATCH] Add TAINT_FIRMWARE_WORKAROUND on MTRR fixup

TAINT_FIRMWARE_WORKAROUND should be set when an MTRR fixup is done.

Signed-off-by: Prarit Bhargava <prarit@...hat.com>
Cc: x86@...nel.org
---
 arch/x86/kernel/cpu/mtrr/generic.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index a71efcd..e1fe7f4 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -547,6 +547,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
 
 		if (tmp != mask_lo) {
 			printk(KERN_WARNING "mtrr: your BIOS has configured an incorrect mask, fixing it.\n");
+			add_taint(TAINT_FIRMWARE_WORKAROUND);
 			mask_lo = tmp;
 		}
 	}
-- 
1.7.1

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