From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH RFC 09/13] xen: change quality of the MADT ACPI enumerator Date: Fri, 14 Feb 2014 01:49:24 +0000 Message-ID: <52FD7624.90202__47473.9315607168$1392342672$gmane$org@citrix.com> References: <1387884062-41154-1-git-send-email-roger.pau@citrix.com> <1387884062-41154-10-git-send-email-roger.pau@citrix.com> <1980951.95r2q2cca3@ralph.baldwin.cx> 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 1WE7uD-0003C2-Bl for xen-devel@lists.xenproject.org; Fri, 14 Feb 2014 01:49:29 +0000 In-Reply-To: <1980951.95r2q2cca3@ralph.baldwin.cx> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: John Baldwin , Roger Pau Monne Cc: julien.grall@citrix.com, freebsd-xen@freebsd.org, freebsd-current@freebsd.org, kib@freebsd.org, xen-devel@lists.xenproject.org, gibbs@freebsd.org List-Id: xen-devel@lists.xenproject.org On 08/02/2014 21:42, John Baldwin wrote: > On Tuesday, December 24, 2013 12:20:58 PM Roger Pau Monne wrote: >> Lower the quality of the MADT ACPI enumerator, so on Xen Dom0 we can >> force the usage of the Xen mptable enumerator even when ACPI is >> detected. > Hmm, so I think one question is why does the existing MADT parser > not work with the MADT table provided by Xen? This may very well > be correct, but if it's only a small change to make the existing > MADT parser work with Xen's MADT table, that route might be > preferable. > For dom0, the MADT seen is the system MADT, which does not bear any reality to dom0's topology. For PV domU, no MADT will be found. For HVM domU, the MADT seen ought to represent (virtual) reality. ~Andrew