From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [ANNOUNCE] Xen x86 32-bit hypervisor end of life after 4.2 Date: Mon, 10 Sep 2012 17:55:27 +0100 Message-ID: References: <504E1458.70606@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <504E1458.70606@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: David Vrabel Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 10/09/2012 17:24, "David Vrabel" wrote: > On 09/09/12 12:11, Keir Fraser wrote: >> Folks, >> >> With 64-bit support well established in the x86 world these days, the number >> of x86 production environments that cannot run a 64-bit hypervisor is pretty >> much nil. Maintaining the 32-bit x86 port, and implementing new features for >> it, is an ongoing development burden which could be more usefully directed >> elsewhere. Therefore, 32-bit x86 will be considered obsolete in the 4.3 >> development branch, and removed. > > I have some tracing patches that have some 32-bit/64-bit #ifdef'ery. > Would you prefer them posted now, or deferred until 32-bit is gone? If it's not too intricate then post them now, and we'll strip out the 32-bit parts later. I don't think we should hold up pending patches for this. Although I'm holding back some further development in anticipation of it. :) -- Keir > David