linux-kernel - Re: [PATCH v12 10/18] xen/pvh: Update E820 to work with PVH (v2)

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Message-ID: <20140103172337.1e077e56@mantra.us.oracle.com>
Date:	Fri, 3 Jan 2014 17:23:37 -0800
From:	Mukesh Rathor <mukesh.rathor@...cle.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	David Vrabel <david.vrabel@...rix.com>,
	linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
	boris.ostrovsky@...cle.com, stefano.stabellini@...citrix.com
Subject: Re: [PATCH v12 10/18] xen/pvh: Update E820 to work with PVH (v2)

On Thu, 2 Jan 2014 13:41:34 -0500
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:

> On Thu, Jan 02, 2014 at 04:14:32PM +0000, David Vrabel wrote:
> > On 01/01/14 04:35, Konrad Rzeszutek Wilk wrote:
> > > From: Mukesh Rathor <mukesh.rathor@...cle.com>
> > > 
> > > In xen_add_extra_mem() we can skip updating P2M as it's managed
> > > by Xen. PVH maps the entire IO space, but only RAM pages need
> > > to be repopulated.
> > 
> > So this looks minimal but I can't work out what PVH actually needs
> > to do here.  This code really doesn't need to be made any more
> > confusing.
> 
> I gather you prefer Mukesh's original version?

I think Konrad thats easier to follow as one can quickly spot
the PVH difference... but your call.

thanks
mukesh

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