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Date: Wed, 7 Aug 2019 17:14:33 +0200
From: =?UTF-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= <roger.pau@citrix.com>
To: <devel@edk2.groups.io>, <anthony.perard@citrix.com>
CC: Julien Grall <julien.grall@arm.com>, <xen-devel@lists.xenproject.org>,
	Jordan Justen <jordan.l.justen@intel.com>, Ard Biesheuvel
	<ard.biesheuvel@linaro.org>, Laszlo Ersek <lersek@redhat.com>
Subject: Re: [edk2-devel] [PATCH v4 22/35] OvmfPkg/XenPlatformPei: no hvmloader: get the E820 table via hypercall
Message-ID: <20190807150849.b6alhjw2lgcjpmxx@Air-de-Roger>
References: <20190729153944.24239-1-anthony.perard@citrix.com>
 <20190729153944.24239-23-anthony.perard@citrix.com>
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On Mon, Jul 29, 2019 at 04:39:31PM +0100, Anthony PERARD wrote:
> When the Xen PVH entry point has been used, hvmloader hasn't run and
> hasn't prepared an E820 table. The only way left to get an E820 table
> is to ask Xen via an hypercall, the call can only be made once so keep
> the result cached for later.

I think we agreed that the above is not true, and that the memory
map can be fetched as many times as desired using the hypercall
interface.

Thanks, Roger.