From mboxrd@z Thu Jan  1 00:00:00 1970
From: Volodymyr Babchuk <vlad.babchuk@gmail.com>
Subject: Re: Modules support in Xen (WAS: Re: [ARM] Native
 application design and discussion (I hope))
Date: Thu, 11 May 2017 21:39:09 +0300
Message-ID: <CAOcqxo2-YH4CPH8d5JY=f8+k9LuOM+h+3jfJHocDNZwtcLRwxQ@mail.gmail.com>
References: <CAOcqxo0vMTAiTVY63__aBFwot6BzNcFzfSPdSD-5ABamUAmqXQ@mail.gmail.com>
 <CAOcqxo0mZDZE7Jh6MCRJHCnq1q5CC4PNhA0rJz4BoyGENpK_tQ@mail.gmail.com>
 <d79290b9-4621-4da2-139d-50a4362736ea@epam.com>
 <alpine.DEB.2.10.1704211352310.19860@sstabellini-ThinkPad-X260>
 <ad282972-8dd1-7303-5fae-c80bc494cb66@epam.com>
 <alpine.DEB.2.10.1704241007490.16723@sstabellini-ThinkPad-X260>
 <29f244da-2346-70a7-13f0-e5c0cbf490d7@epam.com>
 <alpine.DEB.2.10.1705051211550.2892@sstabellini-ThinkPad-X260>
 <1494324789.9501.7.camel@citrix.com>
 <a63bd7ba-957c-e6d3-34bb-339a0c2b224d@arm.com>
 <1494328112.9501.9.camel@citrix.com>
 <alpine.DEB.2.10.1705091127390.24729@sstabellini-ThinkPad-X260>
 <6deb968f-f0bb-1537-4bd5-905ecaa925e6@citrix.com>
 <c82fa5e5-5bcd-352a-3111-b672182dcaac@epam.com>
 <alpine.DEB.2.10.1705101119500.24729@sstabellini-ThinkPad-X260>
 <CAOcqxo08Kya=jA6FY6YUPnnLmjSk2d8kGiQCAw9oXFh_wzcWrA@mail.gmail.com>
 <b31c36ec-0861-569c-4d6e-a9804f52fbc4@arm.com>
 <alpine.DEB.2.10.1705111048490.24729@sstabellini-ThinkPad-X260>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <alpine.DEB.2.10.1705111048490.24729@sstabellini-ThinkPad-X260>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Andrii Anisov <andrii_anisov@epam.com>, Tim Deegan <tim@xen.org>, Dario Faggioli <dario.faggioli@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, George Dunlap <george.dunlap@citrix.com>, Xen Devel <xen-devel@lists.xen.org>, Julien Grall <julien.grall@arm.com>, Jan Beulich <JBeulich@suse.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wei.liu2@citrix.com>, Artem Mygaiev <joculator@gmail.com>
List-Id: xen-devel@lists.xenproject.org
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