On Sun, Jul 31, 2011 at 03:14:59PM -0400, Andrew Lutomirski wrote:
> Actually I'm waiting b/c I'm defending my thesis tomorrow. I might get v2
> out before then, but no guarantee.
Oooh, yeah take care of your thesis first. And then celebrate by writting
more patches :-)
> On Jul 31, 2011 2:57 PM, "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
> wrote:
> > On Fri, Jul 29, 2011 at 08:31:35AM -0700, Jeremy Fitzhardinge wrote:
> >> On 07/29/2011 05:51 AM, Andrew Lutomirski wrote:
> >> > VCGF_in_syscall: gettimeofday() (the syscall version) takes 593 ns.
> >> > Without VCGF_in_syscall, it's 712 ns.
> >> >
> >> > I'd argue for using my original approach of adding a user_64bit_mode
> >> > function -- I think it's a legitimate cleanup and Xen, for better or
> >> > worse, really does have two long mode CPL 3 selectors. If we removed
> >> > selector 6 from the GDT, that would be a different story, but that
> >> > would probably be a more intrusive change.
> >>
> >> Sigh. Yeah, let's see what happens.
> >
> > So.. roll with Andrew's patches? I think Andrew is just waiting for the
> word
> > from you whether to repost the patches so that x86 maintainers can take a
> look
> > at them..
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