From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1VbuUA-0003PC-QB for mharc-grub-devel@gnu.org; Thu, 31 Oct 2013 11:48:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43059) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VbuU3-0003J6-Pl for grub-devel@gnu.org; Thu, 31 Oct 2013 11:48:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VbuTx-0003x8-Qp for grub-devel@gnu.org; Thu, 31 Oct 2013 11:48:31 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:30726) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VbuTx-0003wz-Mn for grub-devel@gnu.org; Thu, 31 Oct 2013 11:48:25 -0400 X-IronPort-AV: E=Sophos;i="4.93,609,1378857600"; d="scan'208";a="66772307" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP; 31 Oct 2013 15:48:24 +0000 Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.78) with Microsoft SMTP Server id 14.2.342.4; Thu, 31 Oct 2013 11:48:23 -0400 Received: from gateway-cbg.eng.citrite.net ([10.80.16.17] helo=[127.0.0.1]) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1VbuTv-0006SB-La; Thu, 31 Oct 2013 15:48:23 +0000 Message-ID: <1383234503.25018.117.camel@dagon.hellion.org.uk> Subject: Re: [Xen-devel] Grant table version From: Ian Campbell To: Vladimir =?UTF-8?Q?=27=CF=86-coder/phcoder=27?= Serbinenko Date: Thu, 31 Oct 2013 15:48:23 +0000 In-Reply-To: <5270FAF6.30600@gmail.com> References: <526EA78A.6020104@gmail.com> <526EAF78.2070408@citrix.com> <5270FAF6.30600@gmail.com> Organization: Citrix Systems, Inc. Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4-4+b1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-DLP: MIA2 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 66.165.176.63 Cc: Andrew Cooper , "xen-devel@lists.xen.org" , The development of GRUB 2 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, 31 Oct 2013 15:48:38 -0000 On Wed, 2013-10-30 at 13:26 +0100, Vladimir '=CF=86-coder/phcoder' Serbinen= ko wrote: > > From this point of view, the safe course of action is to use whichever > > type of grants you want, then tear down all the front/back pairs, and > > reset the version to v1 before handing off. > >=20 > Thank you, that's what I did now. FWIW I don't think there is any need for pvgrub to be using the sorts of advanced features enabled by gnttab v2. Even Linux doesn't use most (any?) of them ;-) Ian.