linux-kernel - [PATCH 3/4] panic: Add taint flag TAINT_FIRMWARE

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Date:	Sat, 20 Mar 2010 23:06:50 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-pci <linux-pci@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/4] panic: Add taint flag TAINT_FIRMWARE_WORKAROUND ('I')

This taint flag will initially be used when warning about invalid ACPI
DMAR tables.

Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 include/linux/kernel.h |    1 +
 kernel/panic.c         |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index eaf7221..ab8072b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -344,6 +344,7 @@ extern enum system_states {
 #define TAINT_OVERRIDDEN_ACPI_TABLE	8
 #define TAINT_WARN			9
 #define TAINT_CRAP			10
+#define TAINT_FIRMWARE_WORKAROUND	11
 
 extern void dump_stack(void) __cold;
 
diff --git a/kernel/panic.c b/kernel/panic.c
index 8b821bc..e9fa224 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -178,6 +178,7 @@ static const struct tnt tnts[] = {
 	{ TAINT_OVERRIDDEN_ACPI_TABLE,	'A', ' ' },
 	{ TAINT_WARN,			'W', ' ' },
 	{ TAINT_CRAP,			'C', ' ' },
+	{ TAINT_FIRMWARE_WORKAROUND,	'I', ' ' },
 };
 
 /**
@@ -194,6 +195,7 @@ static const struct tnt tnts[] = {
  *  'A' - ACPI table overridden.
  *  'W' - Taint on warning.
  *  'C' - modules from drivers/staging are loaded.
+ *  'I' - Firmware workaround was required.
  *
  *	The string is overwritten by the next call to print_tainted().
  */
-- 
1.7.0




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