#include <linux/debug_locks.h>
#include <linux/random.h>
#include <linux/kallsyms.h>
+#include <linux/dmi.h>
int panic_on_oops;
static unsigned long tainted_mask;
EXPORT_SYMBOL(panic_notifier_list);
-static int __init panic_setup(char *str)
-{
- panic_timeout = simple_strtoul(str, NULL, 0);
- return 1;
-}
-__setup("panic=", panic_setup);
-
static long no_blink(long time)
{
return 0;
EXPORT_SYMBOL(panic);
-/**
- * print_tainted - return a string to represent the kernel taint state.
- *
- * 'P' - Proprietary module has been loaded.
- * 'F' - Module has been forcibly loaded.
- * 'S' - SMP with CPUs not designed for SMP.
- * 'R' - User forced a module unload.
- * 'M' - System experienced a machine check exception.
- * 'B' - System has hit bad_page.
- * 'U' - Userspace-defined naughtiness.
- * 'A' - ACPI table overridden.
- * 'W' - Taint on warning.
- *
- * The string is overwritten by the next call to print_taint().
- */
struct tnt {
u8 bit;
{ TAINT_DIE, 'D', ' ' },
{ TAINT_OVERRIDDEN_ACPI_TABLE, 'A', ' ' },
{ TAINT_WARN, 'W', ' ' },
+ { TAINT_CRAP, 'C', ' ' },
};
+/**
+ * print_tainted - return a string to represent the kernel taint state.
+ *
+ * 'P' - Proprietary module has been loaded.
+ * 'F' - Module has been forcibly loaded.
+ * 'S' - SMP with CPUs not designed for SMP.
+ * 'R' - User forced a module unload.
+ * 'M' - System experienced a machine check exception.
+ * 'B' - System has hit bad_page.
+ * 'U' - Userspace-defined naughtiness.
+ * 'D' - Kernel has oopsed before
+ * 'A' - ACPI table overridden.
+ * 'W' - Taint on warning.
+ * 'C' - modules from drivers/staging are loaded.
+ *
+ * The string is overwritten by the next call to print_taint().
+ */
const char *print_tainted(void)
{
static char buf[ARRAY_SIZE(tnts) + sizeof("Tainted: ") + 1];
}
EXPORT_SYMBOL(add_taint);
-static int __init pause_on_oops_setup(char *str)
-{
- pause_on_oops = simple_strtoul(str, NULL, 0);
- return 1;
-}
-__setup("pause_on_oops=", pause_on_oops_setup);
-
static void spin_msec(int msecs)
{
int i;
{
if (!oops_id)
get_random_bytes(&oops_id, sizeof(oops_id));
+ else
+ oops_id++;
return 0;
}
}
#ifdef WANT_WARN_ON_SLOWPATH
-void warn_on_slowpath(const char *file, int line)
-{
- char function[KSYM_SYMBOL_LEN];
- unsigned long caller = (unsigned long) __builtin_return_address(0);
- sprint_symbol(function, caller);
-
- printk(KERN_WARNING "------------[ cut here ]------------\n");
- printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
- line, function);
- print_modules();
- dump_stack();
- print_oops_end_marker();
- add_taint(TAINT_WARN);
-}
-EXPORT_SYMBOL(warn_on_slowpath);
-
-
void warn_slowpath(const char *file, int line, const char *fmt, ...)
{
va_list args;
char function[KSYM_SYMBOL_LEN];
unsigned long caller = (unsigned long)__builtin_return_address(0);
+ const char *board;
+
sprint_symbol(function, caller);
printk(KERN_WARNING "------------[ cut here ]------------\n");
printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
line, function);
- va_start(args, fmt);
- vprintk(fmt, args);
- va_end(args);
+ board = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (board)
+ printk(KERN_WARNING "Hardware name: %s\n", board);
+
+ if (fmt) {
+ va_start(args, fmt);
+ vprintk(fmt, args);
+ va_end(args);
+ }
print_modules();
dump_stack();
}
EXPORT_SYMBOL(__stack_chk_fail);
#endif
+
+core_param(panic, panic_timeout, int, 0644);
+core_param(pause_on_oops, pause_on_oops, int, 0644);