aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/panic.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/panic.c')
-rw-r--r--kernel/panic.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 13d966b4c14a..3b16cd93fa7d 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -87,6 +87,7 @@ NORET_TYPE void panic(const char * fmt, ...)
*/
preempt_disable();
+ console_verbose();
bust_spinlocks(1);
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
@@ -178,6 +179,7 @@ static const struct tnt tnts[] = {
{ TAINT_OVERRIDDEN_ACPI_TABLE, 'A', ' ' },
{ TAINT_WARN, 'W', ' ' },
{ TAINT_CRAP, 'C', ' ' },
+ { TAINT_FIRMWARE_WORKAROUND, 'I', ' ' },
};
/**
@@ -194,6 +196,7 @@ 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().
*/
@@ -365,7 +368,8 @@ struct slowpath_args {
va_list args;
};
-static void warn_slowpath_common(const char *file, int line, void *caller, struct slowpath_args *args)
+static void warn_slowpath_common(const char *file, int line, void *caller,
+ unsigned taint, struct slowpath_args *args)
{
const char *board;
@@ -381,7 +385,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller, struc
print_modules();
dump_stack();
print_oops_end_marker();
- add_taint(TAINT_WARN);
+ add_taint(taint);
}
void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...)
@@ -390,14 +394,29 @@ void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...)
args.fmt = fmt;
va_start(args.args, fmt);
- warn_slowpath_common(file, line, __builtin_return_address(0), &args);
+ warn_slowpath_common(file, line, __builtin_return_address(0),
+ TAINT_WARN, &args);
va_end(args.args);
}
EXPORT_SYMBOL(warn_slowpath_fmt);
+void warn_slowpath_fmt_taint(const char *file, int line,
+ unsigned taint, const char *fmt, ...)
+{
+ struct slowpath_args args;
+
+ args.fmt = fmt;
+ va_start(args.args, fmt);
+ warn_slowpath_common(file, line, __builtin_return_address(0),
+ taint, &args);
+ va_end(args.args);
+}
+EXPORT_SYMBOL(warn_slowpath_fmt_taint);
+
void warn_slowpath_null(const char *file, int line)
{
- warn_slowpath_common(file, line, __builtin_return_address(0), NULL);
+ warn_slowpath_common(file, line, __builtin_return_address(0),
+ TAINT_WARN, NULL);
}
EXPORT_SYMBOL(warn_slowpath_null);
#endif