From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [RFC 0/4] Support more than 8 vcpus on arm64 with GICv3 Date: Thu, 14 May 2015 19:04:48 +0100 Message-ID: <5554E3C0.50408@citrix.com> References: <1431612863-3762-1-git-send-email-cbz@baozis.org> <5554DFFE.6090909@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YsxVi-00011B-RM for xen-devel@lists.xenproject.org; Thu, 14 May 2015 18:05:30 +0000 In-Reply-To: <5554DFFE.6090909@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: Julien Grall , Chen Baozi , xen-devel@lists.xenproject.org Cc: Chen Baozi , ian.campbell@citrix.com List-Id: xen-devel@lists.xenproject.org On 14/05/15 18:48, Julien Grall wrote: > Although you would need to reshuffle a bit the layout. With your > solution, if the guest is using 128 vCPUs it will overlap the > grant-table region, magic page (xenstore, xenconsole,...) and the > beginning of the RAM. whoops ;). Hmmm... forget this paragraph, I miscalculated the final value :/. There is enough space for accommodating 128 vCPUs. Regards, -- Julien Grall