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Thu, 24 Sep 2020 23:42:39 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08ONZTet163174; Thu, 24 Sep 2020 23:42:38 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3030.oracle.com with ESMTP id 33nux3jpbk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Sep 2020 23:42:38 +0000 Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 08ONgVnu011111; Thu, 24 Sep 2020 23:42:31 GMT Received: from [10.74.109.22] (/10.74.109.22) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 24 Sep 2020 16:42:31 -0700 Subject: Re: [PATCH 09/11] xen/xenbus: use apply_to_page_range directly in xenbus_map_ring_pv To: Christoph Hellwig , Andrew Morton Cc: Peter Zijlstra , Juergen Gross , Stefano Stabellini , Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Chris Wilson , Matthew Auld , Rodrigo Vivi , Minchan Kim , Matthew Wilcox , Nitin Gupta , x86@kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org References: <20200924135853.875294-1-hch@lst.de> <20200924135853.875294-10-hch@lst.de> From: boris.ostrovsky@oracle.com Organization: Oracle Corporation Message-ID: Date: Thu, 24 Sep 2020 19:42:27 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.2.2 MIME-Version: 1.0 In-Reply-To: <20200924135853.875294-10-hch@lst.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9754 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 phishscore=0 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009240170 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9754 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 impostorscore=0 clxscore=1011 suspectscore=0 phishscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=999 adultscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009240170 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/24/20 9:58 AM, Christoph Hellwig wrote: > Replacing alloc_vm_area with get_vm_area_caller + apply_page_range > allows to fill put the phys_addr values directly instead of doing > another loop over all addresses. > > Signed-off-by: Christoph Hellwig Reviewed-by: Boris Ostrovsky -boris