Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

Sorry, i may try. Just one question

Is version a changeset number ?


--- On Wed, 3/11/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: bderzhavets@xxxxxxxxx
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
Date: Wednesday, March 11, 2009, 1:04 PM

Boris Derzhavets wrote:
> >Could you try bisecting xen-unstable to see which change started
failing for
> >you?  There were some recent changes to the hotplug scripts which
could have
> > introduced a problem.
> No.
 It's above me.
>         

If you're fetching xen-unstable with "hg" and building it, then
you have everything you need to do bisection:

  1. hg bisect -r
  2. hg bisect -g <known good version>
  3. hg bisect -b <known bad version>
  4. build as usual and test
        1. if works: hg bisect -g
        2. if not: hg bisect -b
  5. repeat 4 until first bad version has been isolated

Thanks,
   J

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