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| author | Ben Hutchings <ben@decadent.org.uk> | 2010-04-03 19:36:42 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-19 08:37:43 +0100 |
| commit | 92946bc72f2e74c3281b7fc12be9704d455fb3ed (patch) | |
| tree | ada5ffa170890c5aea6d144033335b82067f0cf8 | |
| parent | b2be05273a1744d175bf4b67f6665637bb9ac7a8 (diff) | |
| download | linux-92946bc72f2e74c3281b7fc12be9704d455fb3ed.tar.gz linux-92946bc72f2e74c3281b7fc12be9704d455fb3ed.tar.bz2 linux-92946bc72f2e74c3281b7fc12be9704d455fb3ed.zip | |
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@decadent.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | Documentation/oops-tracing.txt | 3 | ||||
| -rw-r--r-- | include/linux/kernel.h | 1 | ||||
| -rw-r--r-- | kernel/panic.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt index 069fab3ea4d6..6fe9001b9263 100644 --- a/Documentation/oops-tracing.txt +++ b/Documentation/oops-tracing.txt @@ -260,6 +260,9 @@ characters, each representing a particular tainted value. 11: 'C' if a staging driver has been loaded. + 12: 'I' if the kernel is working around a severe bug in the platform + firmware (BIOS or similar). + The primary reason for the 'Tainted: ' string is to tell kernel debuggers if this is a clean kernel or if anything unusual has occurred. Tainting is permanent: even if an offending module is diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 7f0707463360..7f2f7b34dd08 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 8b821bce66e6..dbe13dbb057a 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' - Working around severe firmware bug. * * The string is overwritten by the next call to print_tainted(). */ |