Corey Minyard d1b29b9742 ipmi:watchdog: Rework locking and handling
Simplify things by creating one set of message handling data for
setting the watchdog and doing a heartbeat.  Rework the locking
to avoid some (probably not very important) races and to avoid
a fairly unlikely infinite recursion.

Get rid of ipmi_ignore_heartbeat, it wasn't used, and use
watchdog_user to tell if we have a working IPMI device below
us.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2018-04-18 10:22:44 -05:00
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