From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1Vgryg-0000Xv-OL for mharc-grub-devel@gnu.org; Thu, 14 Nov 2013 03:08:38 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35233) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VgryX-0000VQ-Vv for grub-devel@gnu.org; Thu, 14 Nov 2013 03:08:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VgryS-0002fE-E4 for grub-devel@gnu.org; Thu, 14 Nov 2013 03:08:29 -0500 Received: from mail-wg0-x234.google.com ([2a00:1450:400c:c00::234]:60665) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VgryS-0002ew-70 for grub-devel@gnu.org; Thu, 14 Nov 2013 03:08:24 -0500 Received: by mail-wg0-f52.google.com with SMTP id z12so1508709wgg.31 for ; Thu, 14 Nov 2013 00:08:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type; bh=c0bN2AsL0lkE1wdlBbTTdk9zYrHMPOPk6mqQfxl8AkE=; b=ype6N/PTaLk6FJjZCIh91aBDAmnlROn742syg6YkqIeSyfXD7jv+kAkXpS2RStG6aW a7a2g4pa7nvy6ZuNEWUTcotfZ5+EBw5Z+Ojx676ZPHfJ6n1lK8VA3mPChBJNBnIpB6GN bOAOVF8QFHcCM9o1C3pbElh1x2+wY1o+oKCiORSWXgaoQHDlKzMIc6zBs6UdUOBqp4fV PnzKQ/ulD8iDAG50FgDr5H9KCeGxxb7DG6jvQLYZHbic7zhXL6mQpgyD00x8NzoDb7fS VCD2X83i8/rCBrBlE7Y6k/uAtsSqggxMx8RD67PRJE4y3SSdGf4OKD0cSNEBZLQjEmWy znGQ== X-Received: by 10.195.13.45 with SMTP id ev13mr241658wjd.20.1384416503452; Thu, 14 Nov 2013 00:08:23 -0800 (PST) Received: from [192.168.42.82] (8-237.197-178.cust.bluewin.ch. [178.197.237.8]) by mx.google.com with ESMTPSA id 44sm16832045eek.5.2013.11.14.00.08.20 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 14 Nov 2013 00:08:22 -0800 (PST) Message-ID: <528484F2.2010608@gmail.com> Date: Thu, 14 Nov 2013 09:08:18 +0100 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131005 Icedove/17.0.9 MIME-Version: 1.0 To: grub-devel@gnu.org Subject: Re: [PATCH 3/4] efi: Support GRUB_MMAP_MALLOC_LOW in the EFI firmware allocator References: <20131113075934.2e62671d@opensuse.site> In-Reply-To: <20131113075934.2e62671d@opensuse.site> X-Enigmail-Version: 1.5.1 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="----enig2NNAPEKPSIKTCTUIHAQBA" X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a00:1450:400c:c00::234 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Nov 2013 08:08:35 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2NNAPEKPSIKTCTUIHAQBA Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 13.11.2013 04:59, Andrey Borzenkov wrote: > =D0=92 Tue, 12 Nov 2013 18:26:39 -0800 > Josh Triplett =D0=BF=D0=B8=D1=88=D0=B5=D1=82: >=20 >> EFI supports allocating memory below a specified address; use that to >> implement GRUB_MMAP_MALLOC_LOW by requesting memory below 1M. >=20 > Out of curiosity - why would you need it on EFI? Your patch does not > add any consumer of GRUB_MMAP_MALLOC_LOW and on EFI notion of low > memory should not exist? >=20 As discussed on IRC, it's for starting other CPUs, for this you need a vector in low memory as cpus always start in real mode. ------enig2NNAPEKPSIKTCTUIHAQBA 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: Using GnuPG with Icedove - http://www.enigmail.net/ iF4EAREKAAYFAlKEhPIACgkQmBXlbbo5nOstYQD9FWIbxDKpcZPxkt0sH3xUzSmZ O4J63LdcGRCJMnfruCIBAK19zxusekwA0gaCQ2m2c8UHHRzjhuBdKdnYw7Rbz0Ka =2JrC -----END PGP SIGNATURE----- ------enig2NNAPEKPSIKTCTUIHAQBA--