Re: [PATCH] aic94xx: Hotplug ex_change_count race fix

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On Tue, 2006-10-03 at 09:19 -0500, James Bottomley wrote:
> On Tue, 2006-09-26 at 15:05 -0700, Alexis Bruemmer wrote:
> > In some cases while hotplugging disks on a system with an expander the
> > broadcast primitive will be posted and begin processing before the
> > expander change count is updated.  This causes the device that triggered
> > the broadcast to not be found.
> 
> Thanks; I'll stick this in.
> 
> However, it has always struck me that this broadcast code is fragile
> because of the way event processing works.  If we get two fairly close
> together broadcast events, we'll amalgamate them into a single event and
> then stop processing as soon as we find one expander that changed, if
> you want to look at sorting that out ...

I will look into it.

--Alexis

> 
> James
> 
> 

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