From patchwork Fri Jul 19 16:01:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 1134144 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45qx3N1xrhz9s4Y for ; Sat, 20 Jul 2019 02:17:02 +1000 (AEST) Received: from localhost ([::1]:46926 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hoVZ6-0004iu-Ks for incoming@patchwork.ozlabs.org; Fri, 19 Jul 2019 12:17:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40756) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hoVZ0-0004ij-Js for qemu-devel@nongnu.org; Fri, 19 Jul 2019 12:16:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hoVYx-0004Wz-5a for qemu-devel@nongnu.org; Fri, 19 Jul 2019 12:16:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50036) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hoVYo-0003Yz-G8 for qemu-devel@nongnu.org; Fri, 19 Jul 2019 12:16:44 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C0EF530C5859; Fri, 19 Jul 2019 16:01:29 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-220.ams2.redhat.com [10.36.116.220]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1C4281001B02; Fri, 19 Jul 2019 16:01:20 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 19 Jul 2019 18:01:17 +0200 Message-Id: <20190719160120.26581-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Fri, 19 Jul 2019 16:01:29 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v1 0/3] virtio-balloon: PartialBalloonedPage rework X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov , David Gibson , "Michael S . Tsirkin" , Stefan Hajnoczi , David Hildenbrand Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Michael pointed out that stroing and using the address of a RAMBlock might not be safe. So let's rework the pbp handling, cleaning up the code. Did a sanity test with hugepage backing on x86.64. We might want to have this in 4.1. I'll let Michael decide. Cc: Stefan Hajnoczi Cc: David Gibson Cc: Michael S. Tsirkin Cc: Igor Mammedov David Hildenbrand (3): virtio-balloon: simplify deflate with pbp virtio-balloon: Better names for offset variables in inflate/deflate code virtio-balloon: Rework pbp tracking data hw/virtio/virtio-balloon.c | 90 ++++++++++++++---------------- include/hw/virtio/virtio-balloon.h | 15 ++++- 2 files changed, 53 insertions(+), 52 deletions(-)