From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yu, Zhang" Subject: Re: [PATCH 2/8] drm/i915: Adds graphic address space ballooning logic Date: Fri, 26 Sep 2014 16:46:42 +0800 Message-ID: <542527F2.2070505@linux.intel.com> References: <1411152428-7226-3-git-send-email-jike.song@intel.com> <20140919080557.GC21738@nuc-i3427.alporthouse.com> <20140919200000.GH21738@nuc-i3427.alporthouse.com> <20140923082626.GV15734@phenom.ffwll.local> <20140923091902.GG8727@nuc-i3427.alporthouse.com> <20140923112503.GD15734@phenom.ffwll.local> <5422BAA6.8090105@linux.intel.com> <20140924132118.GA30278@nuc-i3427.alporthouse.com> <5425232C.3030107@linux.intel.com> <20140926084807.GF24221@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 727EC6E2DB for ; Fri, 26 Sep 2014 01:52:50 -0700 (PDT) In-Reply-To: <20140926084807.GF24221@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Daniel Vetter , "Tian, Kevin" , "Song, Jike" , "Vetter, Daniel" , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org On 9/26/2014 4:48 PM, Chris Wilson wrote: > On Fri, Sep 26, 2014 at 04:26:20PM +0800, Zhang, Yu wrote: >> Hi Chris & Daniel, >> >> Thanks for your comments. Following are my understandings about >> the changes needed for this patch: >> >> 1> We do not need the guard page anymore between different VMs. For >> the very last physical GTT entry, let's keep it pointing to a guard >> page. >> >> 2> To reserve the GMs in our balloon code, drm_mm_reserve_node() is >> preferred than the current drm_mm_insert_node_in_range_generic(). >> >> Am I correct? Please correct me if anything wrong. Thanks! :) > > Agreed. If you care to respin the patch, I'll see if anything else > alarms me ;-) Got it. Thank you, Chris. > -Chris >