diff options
| author | Andi Kleen <ak@muc.de> | 2004-10-18 18:14:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-10-18 18:14:38 -0700 |
| commit | 57b47f9da9d62a94f76928872c9ac93721c006de (patch) | |
| tree | 1c5e8409999eaf9109b1f4924e3ef605ffd0a333 /kernel | |
| parent | f5cda072937763f8b5903e625ac4d4fb701c551c (diff) | |
| download | history-57b47f9da9d62a94f76928872c9ac93721c006de.tar.gz | |
[PATCH] x86-64/i386: add mce tainting
This patch adds machine check tainting. When a handled machine check
occurs the oops gets a new 'M' flag. This is useful to ignore machines
with hardware problems in oops reports.
On i386 a thermal failure also sets this flag.
Done for x86-64 and i386 so far.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/panic.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/panic.c b/kernel/panic.c index fce7f4030d0a75..a98656f049b37d 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -110,6 +110,7 @@ EXPORT_SYMBOL(panic); * 'P' - Proprietary module has been loaded. * 'F' - Module has been forcibly loaded. * 'S' - SMP with CPUs not designed for SMP. + * 'M' - Machine had a machine check experience. * * The string is overwritten by the next call to print_taint(). */ @@ -118,12 +119,19 @@ const char *print_tainted(void) { static char buf[20]; if (tainted) { - snprintf(buf, sizeof(buf), "Tainted: %c%c%c", + snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c", tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G', tainted & TAINT_FORCED_MODULE ? 'F' : ' ', - tainted & TAINT_UNSAFE_SMP ? 'S' : ' '); + tainted & TAINT_UNSAFE_SMP ? 'S' : ' ', + tainted & TAINT_MACHINE_CHECK ? 'M' : ' '); } else snprintf(buf, sizeof(buf), "Not tainted"); return(buf); } + +void add_taint(unsigned flag) +{ + tainted |= flag; +} +EXPORT_SYMBOL(add_taint); |