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| author |   Kees Cook <keescook@chromium.org> | 2020-05-07 19:36:22 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2020-05-30 10:34:03 -0700 |
| commit | fb13cb8a0482105a415e24042209d02a684255e2 (patch) | |
| tree | 8cc5c83aea2f8c4b2676b0075e0d8200b02b8da3 /kernel/printk | |
| parent | printk: honor the max_reason field in kmsg_dumper (diff) | |
| download | wireguard-linux-fb13cb8a0482105a415e24042209d02a684255e2.tar.xz wireguard-linux-fb13cb8a0482105a415e24042209d02a684255e2.zip | |
printk: Introduce kmsg_dump_reason_str()
The pstore subsystem already had a private version of this function.
With the coming addition of the pstore/zone driver, this needs to be
shared. As it really should live with printk, move it there instead.
Link: https://lore.kernel.org/lkml/20200515184434.8470-4-keescook@chromium.org/
Acked-by: Petr Mladek <pmladek@suse.com>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'kernel/printk')
| -rw-r--r-- | kernel/printk/printk.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index a121c2255737..14ca4d05d902 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -3144,6 +3144,23 @@ EXPORT_SYMBOL_GPL(kmsg_dump_unregister); static bool always_kmsg_dump; module_param_named(always_kmsg_dump, always_kmsg_dump, bool, S_IRUGO | S_IWUSR); +const char *kmsg_dump_reason_str(enum kmsg_dump_reason reason) +{ + switch (reason) { + case KMSG_DUMP_PANIC: + return "Panic"; + case KMSG_DUMP_OOPS: + return "Oops"; + case KMSG_DUMP_EMERG: + return "Emergency"; + case KMSG_DUMP_SHUTDOWN: + return "Shutdown"; + default: + return "Unknown"; + } +} +EXPORT_SYMBOL_GPL(kmsg_dump_reason_str); + /** * kmsg_dump - dump kernel log to kernel message dumpers. * @reason: the reason (oops, panic etc) for dumping |