Re: [PATCH] Watchdog on MPC85xx SMP system

2008-05-01 Thread Andrew Morton
On Tue, 29 Apr 2008 16:42:05 +0800 Chen Gong <[EMAIL PROTECTED]> wrote: > On Book-E SMP systems each core has its own private watchdog. > If only one watchdog is enabled, when the core that doesn't > enable the watchdog is hung, system can't reset because no > watchdog is running on it. That's bad

[PATCH] Watchdog on MPC85xx SMP system

2008-04-29 Thread Chen Gong
On Book-E SMP systems each core has its own private watchdog. If only one watchdog is enabled, when the core that doesn't enable the watchdog is hung, system can't reset because no watchdog is running on it. That's bad. It means we must enable watchdogs on both cores. We can use smp_call_function(