From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39427) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VW62r-0003Tx-0l for qemu-devel@nongnu.org; Tue, 15 Oct 2013 10:56:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VW62m-0002DV-4m for qemu-devel@nongnu.org; Tue, 15 Oct 2013 10:56:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38724) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VW62l-0002DI-T8 for qemu-devel@nongnu.org; Tue, 15 Oct 2013 10:56:20 -0400 Message-ID: <525D578E.6080603@redhat.com> Date: Tue, 15 Oct 2013 08:56:14 -0600 From: Eric Blake MIME-Version: 1.0 References: <1381848154-31602-1-git-send-email-peter.maydell@linaro.org> <525D56B9.2020002@redhat.com> In-Reply-To: <525D56B9.2020002@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="R8lj5rK8KL5v8gJBQrRHbUiilbmGeU3N8" Subject: Re: [Qemu-devel] [PATCH v2] docs/memory.txt: Clarify and expand priority/overlap documentation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell , qemu-devel@nongnu.org Cc: "Michael S. Tsirkin" , Anthony Liguori , patches@linaro.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --R8lj5rK8KL5v8gJBQrRHbUiilbmGeU3N8 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 10/15/2013 08:52 AM, Eric Blake wrote: > On 10/15/2013 08:42 AM, Peter Maydell wrote: >> The documentation of how overlapping memory regions behave and how >> the priority system works was rather brief, and confusion about >> priorities seems to be quite common for developers trying to understan= d >> how the memory region system works, so expand and clarify it. >> This includes a worked example with overlaps, documentation of the >> behaviour when an overlapped container has "holes", and mention >> that it's valid for a region to have both MMIO callbacks and >> subregions (and how this interacts with priorities when it does). >> >> Signed-off-by: Peter Maydell >> --- >> Changes v1->v2: various minor improvements as per review comments >> from MST and subsequent discussion. >> >=20 >> =20 >> +It is valid to add subregions to a region which is not a pure contain= er >> +(that is, to an MMIO, RAM or ROM region). This means that the region >> +will act like a container, except that any addresses within the conta= iner's >> +region which are not claimed by any subregion are handled by the >> +container itself (ie by its MMIO callbacks or RAM backing). However >=20 > s/ie/ie./ >=20 >> +it is generally possible to achieve the same effect with a pure conta= iner >=20 > s/container/container,/ Oh, I forgot to add: I just reviewed for grammar and spelling; I can't state whether the contents are technically sound, hence I didn't feel comfortable adding a reviewed-by. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --R8lj5rK8KL5v8gJBQrRHbUiilbmGeU3N8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJSXVeOAAoJEKeha0olJ0NqPwYH/0k8Pk5DIn1CmrofN1mDtYv4 fkIaeqOUzCo/u9JMVcodBOV+MnqOYe8R9Z0iloHJ5KJX67vNxd1y3I8es80BvHFf dweojzcCxYMfCVvoIYqfo2a5EUP4n3xpHxL6uEXQXYMXM5faf1OWumDRyMyM89Zy 9yzktwo/VweIcM1w3V35sXEspShCjr6C/CybPZ4uYPj4CzXFEIZRXKXQrqF6bnnb kczaWtyU0otdsB3MMJmqUsZFLDH0Z8cjFfVYhQ27uHsZly3YbzioeLTu7I5/jm4l uZSoIqYmnNK98RAxidDPXqB1H32D71dUGf1RlP77cVvyhtOJit+NupczLu+4j7E= =KyUH -----END PGP SIGNATURE----- --R8lj5rK8KL5v8gJBQrRHbUiilbmGeU3N8--