From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH v5 1/9] libxc: reorganize domain builder guest memory allocator Date: Thu, 12 Nov 2015 13:48:07 +0000 Message-ID: <20151112134807.GK24281@zion.uk.xensource.com> References: <1447335816-31772-1-git-send-email-jgross@suse.com> <1447335816-31772-2-git-send-email-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1447335816-31772-2-git-send-email-jgross@suse.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: Juergen Gross Cc: wei.liu2@citrix.com, Ian.Campbell@citrix.com, stefano.stabellini@eu.citrix.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org, roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org On Thu, Nov 12, 2015 at 02:43:28PM +0100, Juergen Gross wrote: > Guest memory allocation in the domain builder of libxc is done via > virtual addresses only. In order to be able to support preallocated > areas not virtually mapped reorganize the memory allocator to keep > track of allocated pages globally and in allocated segments. > > This requires an interface change of the allocate callback of the > domain builder which currently is using the last mapped virtual > address as a parameter. This is no problem as the only user of this > callback is stubdom/grub/kexec.c using this virtual address to > calculate the last used pfn. > > Signed-off-by: Juergen Gross If you've tested and confirmed pvgrub (stubdom based grub) doesn't break: Acked-by: Wei Liu