linux-kernel - Re: [Xen-devel] maybe revert commit c275a57f5ec3 "xen/balloon: Set balloon's initial state to number of existing RAM pages"

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Message-Id: <58DA97A50200007800149615@prv-mh.provo.novell.com>
Date:   Tue, 28 Mar 2017 09:04:37 -0600
From:   "Jan Beulich" <JBeulich@...e.com>
To:     "Boris Ostrovsky" <boris.ostrovsky@...cle.com>
Cc:     "Dan Streetman" <dan.streetman@...onical.com>,
        <xen-devel@...ts.xenproject.org>,
        "Juergen Gross" <jgross@...e.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] maybe revert commit c275a57f5ec3 "xen/balloon:
 Set balloon's initial state to number of existing RAM pages"

>>> On 28.03.17 at 16:27, <boris.ostrovsky@...cle.com> wrote:
> Which leaves hvmloader's special pages (and possibly memory under
> 0xA0000 which may get reserved). Can we pass this info to guests via
> xenstore?

I'm perhaps the wrong one to ask regarding xenstore, but for
in-guest communication this seems an at least strange approach
to me.

Jan