linux-kernel - Re: [PATCH v12] Linux Xen PVH support.

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Date:	Thu, 2 Jan 2014 14:12:51 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com,
	stefano.stabellini@...citrix.com, mukesh.rathor@...cle.com
Subject: Re: [PATCH v12] Linux Xen PVH support.

On Thu, Jan 02, 2014 at 10:39:34AM -0800, H. Peter Anvin wrote:
> On 12/31/2013 08:35 PM, Konrad Rzeszutek Wilk wrote:
> > The patches, also available at
> > git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git devel/pvh.v12
> > 
> > implements the neccessary functionality to boot a PV guest in PVH mode.
> > 
> 
> As x86 maintainer I would like to see a list of what pvops are necessary
> in PVH mode.  Obviously the hope is that the really invasive ones will

This patchset uses these
+               pv_mmu_ops.flush_tlb_others = xen_flush_tlb_others;
+               pv_cpu_ops.cpuid = xen_cpuid;

These are still in the code:

 	pv_info = xen_info;
        pv_init_ops = xen_init_ops;
	pv_apic_ops = xen_apic_ops;
	pv_time_ops = xen_time_ops;

And the x86_init,apic, and smp_ops ops are still in force.

This is just the first step so there might be some other ones
that are needed that I failed to enumerate.

We are at the infancy period.

> not be necessary (and there are good reasons to believe that is within
> reach.)
> 
> 	-hpa
> 
> 
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