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Re: [Xen-devel] [PATCH] [HVM] Prevent usb driver crashes in Windows



On 6/6/07 18:03, "Steve Ofsthun" <sofsthun@xxxxxxxxxxxxxxx> wrote:

>> What precisely is the race? Qemu-dm is single threaded. Memcpy() probably
>> ends up doing int copies anyway if things are appropriately aligned
>> (although we might not want to rely on that).
> 
> The race is between a domU guest cpu running guest driver code and a dom0
> cpu running the timer based USB emulation code in QEMU.

I see. Thanks!

 -- Keir


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