panic: Expose "warn_count" to sysfs

Since Warn count is now tracked and is a fairly interesting signal, add
the entry /sys/kernel/warn_count to expose it to userspace.

Cc: Petr Mladek <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: tangmeng <[email protected]>
Cc: "Guilherme G. Piccoli" <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Tiezhu Yang <[email protected]>
Reviewed-by: Luis Chamberlain <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

0 files changed, 0 insertions, 0 deletions