Re: [PATCH] XPC heartbeat timer function must run on CPU 0

From: Dean Nelson <dcn_at_sgi.com>
Date: 2007-11-08 23:11:19
On Wed, Nov 07, 2007 at 08:26:59AM -0800, Luck, Tony wrote:
> > Currently, XPC's heartbeat timer function runs on whatever CPU modprobe/insmod
> > ran on when XPC was started. To avoid the heartbeat from being delayed for
> > long periods the timer function must run on CPU 0.
> 
> Does Altix allow hot remove of cpu0?  If so, then you have a problem.

At this time Altix does not support hot remove of cpu0, but it is something
currently being worked on. At the time that feature is ready then this
code would indeed need to be modified. In the meantime, we have an existing
customer in need of a fix.

Thanks,
Dean

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Received on Thu Nov 08 23:11:36 2007

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