From mboxrd@z Thu Jan 1 00:00:00 1970 From: Izik Eidus Subject: Re: [PATCH] RFC: alias rework Date: Tue, 26 Jan 2010 16:29:31 +0200 Message-ID: <20100126162931.3ab65d00@redhat.com> References: <20100125155344.327ba0d8@redhat.com> <20100125194553.GB20572@amt.cnet> <20100125215743.6442b1e4@redhat.com> <20100125202039.GB21800@amt.cnet> <20100125224032.19bc6890@redhat.com> <4B5EF8D7.7020806@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mx1.redhat.com ([209.132.183.28]:56528 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754194Ab0AZO3l (ORCPT ); Tue, 26 Jan 2010 09:29:41 -0500 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o0QETeqq029825 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 26 Jan 2010 09:29:41 -0500 In-Reply-To: <4B5EF8D7.7020806@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, 26 Jan 2010 16:14:47 +0200 Avi Kivity wrote: > On 01/25/2010 10:40 PM, Izik Eidus wrote: > > > >> Or is this a feature you need? > >> > > > > I dont need it (I asked Avi to do something), So he said he want to nuke the aliasing > > from kvm and keep supporting the old userspace`s > > > > Do you have any other way to achive this? > > > > Btw I do realize it might be better not to push this patch and just keep the old > > way of treating aliasing as we have now, I really don`t mind. > > > > How about implementing an alias pointing at a deleted slot as an invalid > slot? > > If the slot comes back later, we can revalidate it. > Ok, didn`t notice this invalid memslot flag, I will add this, I will still leave the update_aliased_memslot() in order to update the userspace virtual address...