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Re: [Xen-devel] [PATCH] Watchdog timers for domains

from [Tim Deegan]

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To:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] Watchdog timers for domains
From:	Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date:	Fri, 4 Jun 2010 10:07:43 +0100
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At 09:58 +0100 on 04 Jun (1275645522), Keir Fraser wrote:
> Why multiple watchdogs per domain? In fact, precisely two? I would have
> thought one would be plenty.

Two are used by one of the high-availability addons for XenServer.  
I don't know why exactly; possibly one is used by xapi and one by
third-party code. 

I could rework it to make it indefinitely extensible but TBH I figured
two watchdog timers should be enough for anyone[tm].

Cheers,

Tim.

> On 02/06/2010 11:18, "Tim Deegan" <Tim.Deegan@xxxxxxxxxx> wrote:
> 
> > Each domain is allowed to set, reset and disable its timers; when any
> > timer runs out the domain is killed.
> > 
> > Patch from Christian Limpach <Christian.Limpach@xxxxxxxxxx>
> > Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
> > 
> > 
> 
> 

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, XenServer Engineering
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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