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=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 41026C43331 for ; Fri, 6 Sep 2019 03:22:57 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 41045206A3 for ; Fri, 6 Sep 2019 03:22:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qvoMZLf2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41045206A3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sina.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=k7wTw/KHEVPkKRa7ZUzIxdI0TKqFZCtKzonU5XwOS08=; b=qvoMZLf2xIRuXX siZ+Ffs4HwWXvelQ5b+cPA87Arxb0CYHssohoYhdQhII08ZDjfoDEa2J+0yRm1LAGJNUE5piP8nlS P76CVXbBPZz/cti2Cs1LWjeIZrP/0h5UcCoKCi/QBDXy3mEpJVYbLot/pweJxUnjJp1q9jsR5DYJv cpixVpaU/xD5csi5HdoIAxfbaTFNZv06HDEB0TTfNFZfcIbuSaj4ieJda6qNx/3rVgXo+2WvIYQpD 1W1UNJg/OFDA1JO/PigmuKl9VWZ2bWERMbSLfV/yuUt5tWaUwXNkHsoKT9EPTJeLIrUnTlS75DtRL nULlZUqosvkyGhG8z26w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i64pq-0007tx-4D; Fri, 06 Sep 2019 03:22:54 +0000 Received: from r3-18.sinamail.sina.com.cn ([202.108.3.18]) by bombadil.infradead.org with smtp (Exim 4.92 #3 (Red Hat Linux)) id 1i64pm-0007ru-W5 for linux-arm-kernel@lists.infradead.org; Fri, 06 Sep 2019 03:22:53 +0000 Received: from unknown (HELO localhost.localdomain)([114.254.173.51]) by sina.com with ESMTP id 5D71D0DB00003D7B; Fri, 6 Sep 2019 11:22:06 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com X-SMAIL-MID: 70821515074454 From: Hillf Danton To: Jason Wang Subject: Re: [PATCH 2/2] vhost: re-introducing metadata acceleration through kernel virtual address Date: Fri, 6 Sep 2019 11:21:54 +0800 Message-Id: <20190906032154.9376-1-hdanton@sina.com> In-Reply-To: <20190905122736.19768-1-jasowang@redhat.com> References: <20190905122736.19768-1-jasowang@redhat.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190905_202251_245036_BD717C1A X-CRM114-Status: UNSURE ( 4.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aarcange@redhat.com, Christoph Hellwig , linux-parisc@vger.kernel.org, kvm@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, James Bottomley , linux-mm@kvack.org, jglisse@redhat.com, jgg@mellanox.com, David Miller , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 5 Sep 2019 20:27:36 +0800 From: Jason Wang > > +static void vhost_set_map_dirty(struct vhost_virtqueue *vq, > + struct vhost_map *map, int index) > +{ > + struct vhost_uaddr *uaddr = &vq->uaddrs[index]; > + int i; > + > + if (uaddr->write) { > + for (i = 0; i < map->npages; i++) > + set_page_dirty(map->pages[i]); > + } Not sure need to set page dirty under page lock. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel