From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51763) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gTgew-0007W7-Q0 for qemu-devel@nongnu.org; Mon, 03 Dec 2018 00:20:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gTget-0006pL-Mp for qemu-devel@nongnu.org; Mon, 03 Dec 2018 00:20:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:22840) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gTget-0006op-Gy for qemu-devel@nongnu.org; Mon, 03 Dec 2018 00:20:39 -0500 Date: Mon, 3 Dec 2018 13:20:21 +0800 From: Peter Xu Message-ID: <20181203052021.GC27620@xz-x1> References: <1543803511-34793-1-git-send-email-wei.w.wang@intel.com> <1543803511-34793-6-git-send-email-wei.w.wang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1543803511-34793-6-git-send-email-wei.w.wang@intel.com> Subject: Re: [Qemu-devel] [PATCH v10 5/7] migration/ram.c: add a notifier chain for precopy List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wei Wang Cc: qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org, mst@redhat.com, quintela@redhat.com, dgilbert@redhat.com, pbonzini@redhat.com, liliang.opensource@gmail.com, nilal@redhat.com, riel@redhat.com On Mon, Dec 03, 2018 at 10:18:29AM +0800, Wei Wang wrote: > This patch adds a notifier chain for the memory precopy. This enables various > precopy optimizations to be invoked at specific places. > > Signed-off-by: Wei Wang > CC: Dr. David Alan Gilbert > CC: Juan Quintela > CC: Michael S. Tsirkin > CC: Peter Xu > --- [...] > +int precopy_notify(PrecopyNotifyReason reason, Error **errp); This function could be hidden from include/migration/misc.h, but I don't know whether that is a reason for a repost. And what I meant was that we fail precopy if notifier failed the hooks, but warning is fine too anyway no real use case there. Reviewed-by: Peter Xu Thanks, -- Peter Xu