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From: Alex Williamson <alex.williamson@redhat.com>
To: Glauber Costa <glommer@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH] e1000: Fix hotplug
Date: Tue, 03 Aug 2010 10:18:04 -0600	[thread overview]
Message-ID: <1280852284.6598.89.camel@x201> (raw)
In-Reply-To: <20100803121706.GN14448@mothafucka.localdomain>

On Tue, 2010-08-03 at 08:17 -0400, Glauber Costa wrote:
> On Mon, Aug 02, 2010 at 03:15:17PM -0600, Alex Williamson wrote:
> > When we hotplug the device,
> > we don't go through a reset cycle, which means a hot added e1000 is
> > useless until the VM reboots.  
> 
> I do guess, however, that this is true for any device, right?
> 
> Wouldn't it be better to just call the newly added reset function at
> hotplug? One way to do that, would be to store a value indicated qemu
> has already started. If you add a reset handler after that, the function
> is called before being placed on the list.

Yeah, that sounds like a better idea.  We can actually do it quite
easily from qdev_init using the hotplugged flag on the DeviceState.
Drop this e1000 specific one, I'll send a new patch in a minute.
Thanks,

Alex

      reply	other threads:[~2010-08-03 16:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-02 21:15 [Qemu-devel] [PATCH] e1000: Fix hotplug Alex Williamson
2010-08-02 21:29 ` [Qemu-devel] " Alex Williamson
2010-08-03 12:17 ` Glauber Costa
2010-08-03 16:18   ` Alex Williamson [this message]

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