From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C775C04AB6 for ; Mon, 3 Jun 2019 06:56:12 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 55E8027C56 for ; Mon, 3 Jun 2019 06:56:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 55E8027C56 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:58745 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hXgt9-0002hE-DG for qemu-devel@archiver.kernel.org; Mon, 03 Jun 2019 02:56:11 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49572) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hXgoa-0007nf-2J for qemu-devel@nongnu.org; Mon, 03 Jun 2019 02:51:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hXgoZ-0002L1-2p for qemu-devel@nongnu.org; Mon, 03 Jun 2019 02:51:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32788) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hXgoY-0002KQ-Tr for qemu-devel@nongnu.org; Mon, 03 Jun 2019 02:51:27 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3F7B8330259 for ; Mon, 3 Jun 2019 06:51:26 +0000 (UTC) Received: from xz-x1.nay.redhat.com (dhcp-15-205.nay.redhat.com [10.66.15.205]) by smtp.corp.redhat.com (Postfix) with ESMTP id 599A64E6AA; Mon, 3 Jun 2019 06:51:22 +0000 (UTC) From: Peter Xu To: qemu-devel@nongnu.org Date: Mon, 3 Jun 2019 14:50:52 +0800 Message-Id: <20190603065056.25211-8-peterx@redhat.com> In-Reply-To: <20190603065056.25211-1-peterx@redhat.com> References: <20190603065056.25211-1-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 03 Jun 2019 06:51:26 +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 v4 07/11] kvm: Update comments for sync_dirty_bitmap X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Paolo Bonzini , "Dr . David Alan Gilbert" , peterx@redhat.com, Juan Quintela Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" It's obviously obsolete. Do some update. Signed-off-by: Peter Xu --- accel/kvm/kvm-all.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 524c4ddfbd..b686531586 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -473,13 +473,13 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section, #define ALIGN(x, y) (((x)+(y)-1) & ~((y)-1)) /** - * kvm_physical_sync_dirty_bitmap - Grab dirty bitmap from kernel space - * This function updates qemu's dirty bitmap using - * memory_region_set_dirty(). This means all bits are set - * to dirty. + * kvm_physical_sync_dirty_bitmap - Sync dirty bitmap from kernel space * - * @start_add: start of logged region. - * @end_addr: end of logged region. + * This function will first try to fetch dirty bitmap from the kernel, + * and then updates qemu's dirty bitmap. + * + * @kml: the KVM memory listener object + * @section: the memory section to sync the dirty bitmap with */ static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener *kml, MemoryRegionSection *section) -- 2.17.1