[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] port 80 pass-through to HVM guests
I think I would go with the DMI approach, as passing through port 0x80 has some significant HVM guest boot-time wins IIRC. -- Keir On 10/06/2009 13:20, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: > In a recent commit (99f85a28a78e96d28907fe036e1671a218fee597), KVM > disabled the passthrough of this port due to known problems on certain HP > laptops (see http://lkml.indiana.edu/hypermail/linux/kernel/0712.3/0872.html > and http://lkml.indiana.edu/hypermail/linux/kernel/0801.0/2388.html). While > I'd say that doing this globally just because of laptops may not be the right > thing in Xen, it would seem that a DMI based approach like is being used in > recent kernels (to replace the use of port 0x80 with 0xED) might still be > desirable. > > Opinions? > > Thanks, Jan > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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