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From: Ewan Mellor <ewan@xensource.com>
To: xen-devel@lists.xensource.com
Subject: Re: Re: [Xen-changelog] Create new vcpu_op() hypercall. Replaces old boot_vcpu()
Date: Wed, 5 Oct 2005 10:28:48 +0100	[thread overview]
Message-ID: <20051005092847.GE31971@uk.xensource.com> (raw)
In-Reply-To: <20051004211744.GI17358@us.ibm.com>

On Tue, Oct 04, 2005 at 04:17:44PM -0500, Ryan Harper wrote:

> The vcpu hotplug watch is triggered on any writes to /cpu.
> It will then examine the node value to see if the change was made to
> /cpu/cpu#/availability, (e.g. /cpu/1/availability), if the full path of
> the change is correct, it examines the change values which are either
> 'online' or 'offline' and invokes the vcpu_up/down handlers if the write
> is a state change.
> 
> I only ever see one trigger and the value is 'cpu' but I can confirm
> that tdb sees the full write ('/cpu/1/availabilty', 'offline').

Thanks Ryan, that's been very helpful.  This is now bug #280.

Cheers,

Ewan.

      reply	other threads:[~2005-10-05  9:28 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1EMUrD-0002RM-Cz@xenbits.xensource.com>
2005-10-03 18:42 ` [Xen-changelog] Create new vcpu_op() hypercall. Replaces old boot_vcpu() Ryan Harper
2005-10-03 20:48   ` Keir Fraser
2005-10-03 21:07     ` Ryan Harper
2005-10-03 21:53       ` Keir Fraser
2005-10-04 15:38   ` Ryan Harper
2005-10-04 16:05     ` Ryan Harper
2005-10-04 16:36       ` Keir Fraser
2005-10-04 20:39         ` Ryan Harper
2005-10-04 21:10           ` Ewan Mellor
2005-10-04 21:17             ` Ryan Harper
2005-10-05  9:28               ` Ewan Mellor [this message]

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