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-rw-r--r--kernel/panic.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 13d966b4c14a..dbe13dbb057a 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -178,6 +178,7 @@ static const struct tnt tnts[] = {
178 { TAINT_OVERRIDDEN_ACPI_TABLE, 'A', ' ' }, 178 { TAINT_OVERRIDDEN_ACPI_TABLE, 'A', ' ' },
179 { TAINT_WARN, 'W', ' ' }, 179 { TAINT_WARN, 'W', ' ' },
180 { TAINT_CRAP, 'C', ' ' }, 180 { TAINT_CRAP, 'C', ' ' },
181 { TAINT_FIRMWARE_WORKAROUND, 'I', ' ' },
181}; 182};
182 183
183/** 184/**
@@ -194,6 +195,7 @@ static const struct tnt tnts[] = {
194 * 'A' - ACPI table overridden. 195 * 'A' - ACPI table overridden.
195 * 'W' - Taint on warning. 196 * 'W' - Taint on warning.
196 * 'C' - modules from drivers/staging are loaded. 197 * 'C' - modules from drivers/staging are loaded.
198 * 'I' - Working around severe firmware bug.
197 * 199 *
198 * The string is overwritten by the next call to print_tainted(). 200 * The string is overwritten by the next call to print_tainted().
199 */ 201 */
@@ -365,7 +367,8 @@ struct slowpath_args {
365 va_list args; 367 va_list args;
366}; 368};
367 369
368static void warn_slowpath_common(const char *file, int line, void *caller, struct slowpath_args *args) 370static void warn_slowpath_common(const char *file, int line, void *caller,
371 unsigned taint, struct slowpath_args *args)
369{ 372{
370 const char *board; 373 const char *board;
371 374
@@ -381,7 +384,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller, struc
381 print_modules(); 384 print_modules();
382 dump_stack(); 385 dump_stack();
383 print_oops_end_marker(); 386 print_oops_end_marker();
384 add_taint(TAINT_WARN); 387 add_taint(taint);
385} 388}
386 389
387void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...) 390void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...)
@@ -390,14 +393,29 @@ void warn_slowpath_fmt(const char *file, int line, const char *fmt, ...)
390 393
391 args.fmt = fmt; 394 args.fmt = fmt;
392 va_start(args.args, fmt); 395 va_start(args.args, fmt);
393 warn_slowpath_common(file, line, __builtin_return_address(0), &args); 396 warn_slowpath_common(file, line, __builtin_return_address(0),
397 TAINT_WARN, &args);
394 va_end(args.args); 398 va_end(args.args);
395} 399}
396EXPORT_SYMBOL(warn_slowpath_fmt); 400EXPORT_SYMBOL(warn_slowpath_fmt);
397 401
402void warn_slowpath_fmt_taint(const char *file, int line,
403 unsigned taint, const char *fmt, ...)
404{
405 struct slowpath_args args;
406
407 args.fmt = fmt;
408 va_start(args.args, fmt);
409 warn_slowpath_common(file, line, __builtin_return_address(0),
410 taint, &args);
411 va_end(args.args);
412}
413EXPORT_SYMBOL(warn_slowpath_fmt_taint);
414
398void warn_slowpath_null(const char *file, int line) 415void warn_slowpath_null(const char *file, int line)
399{ 416{
400 warn_slowpath_common(file, line, __builtin_return_address(0), NULL); 417 warn_slowpath_common(file, line, __builtin_return_address(0),
418 TAINT_WARN, NULL);
401} 419}
402EXPORT_SYMBOL(warn_slowpath_null); 420EXPORT_SYMBOL(warn_slowpath_null);
403#endif 421#endif