From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH RFC 12/15] libxc: support for arm64 Image format Date: Mon, 21 Oct 2013 16:11:11 +0100 Message-ID: <5265440F.3080805@linaro.org> References: <1381163944.21562.129.camel@kazak.uk.xensource.com> <1381164001-1446-12-git-send-email-ian.campbell@citrix.com> <5256CB3A.8090307@linaro.org> <1381420618.17758.48.camel@kazak.uk.xensource.com> <1382348769.1657.10.camel@hastur.hellion.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1382348769.1657.10.camel@hastur.hellion.org.uk> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: "xen-devel@lists.xen.org" , tim@xen.org, Stefano Stabellini List-Id: xen-devel@lists.xenproject.org On 10/21/2013 10:46 AM, Ian Campbell wrote: > On Thu, 2013-10-10 at 16:56 +0100, Ian Campbell wrote: >> On Thu, 2013-10-10 at 16:43 +0100, Julien Grall wrote: >>> I think all the code in this patch should in an ifdef __aarch64__. >> >> Oops, yes. I did say I hadn't tried it on 32 bit ;-) > > Upon second thought -- it is reasonable to want to build a 64-bit guest > while running a 32-bit dom0 on a 64-bit Xen. Right, I forget that it's possible to boot 32 kernel, so 32 bit userspace, on ARM64. > I think this should work, although I've not tried it. There is a bunch of #ifdef __aarch64__ in the public interface. To support dom0 32 bit, we will need to remove theses #ifdef. -- Julien Grall