Re: [Xen-devel] [PATCH v19 11/14] x86/VPMU: Handle PMU interrupts for PV guests

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 03/24/2015 11:36 AM, Jan Beulich wrote:
> > > > On 24.03.15 at 16:13, <boris.ostrovsky@xxxxxxxxxx> wrote:
> > On 03/24/2015 10:28 AM, Jan Beulich wrote:
> > > > > > On 17.03.15 at 15:54, <boris.ostrovsky@xxxxxxxxxx> wrote:
> > > > Changes in v19:
> > > > * Adjusted for new ops interfaces (passing vcpu vs. vpmu)
> > > > * Test for domain->max_cpu in choose_hwdom_vcpu() instead of
> > > > 'domain->vcpu!=NULL'
> > > I suppose that's something that then should also be done in patch 7?
> > We only need this routine during interrupt handling (for PV(H)) and this
> > is the patch that introduces this functionality.
> >
> > And if you are asking about the test specifically --- this is also the
> > first patch where we refer to hardware_domain->vcpu[], which is what the
> > test is really for.
> >
> > Or is it something else that you had in mind?
> Yes - following Andrew's cleanup I believe the d->vcpu != NULL
> check is redundant with having (perhaps indirectly)
> checked d->max_vcpus > 0.
Then I am not sure I understand what you are asking me to do for patch 
7, sorry.
-boris

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