Re: [virtio] [OASIS Issue Tracker] Created: (VIRTIO-35) race condition with multi-dword config accesses

From
Paolo Bonzini <>
Date
2013-10-04T08:28:09+00:00
ID
Thread
Re: [virtio] [OASIS Issue Tracker] Created: (VIRTIO-35) race condition with multi-dword config accesses
Il 04/10/2013 05:36, Rusty Russell ha scritto:
> "Michael S. Tsirkin" <> writes:
>> On Tue, Sep 24, 2013 at 08:18:20PM +0930, Rusty Russell wrote:
>>> I don't think qemu supports changing a disk underneath a device anyway?
>>
>> QEMU supports resizing I think.
>>
>>> And in practice, I'm not sure it would ever change fast enough to
>>> trigger this race...
>>
>> Well it's easy to make guest very slow :)
>>
>>> So, should we try to fix it?
>>> Rusty.
>>
>> Not really sure but I thought I'd put it on the table.
> 
> OK, I got ambitious!  How's this look?

Looks good.

Paolo