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Fri, 4 Sep 2020 08:12:01 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D70FF52050; Fri, 4 Sep 2020 08:12:00 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.145.53.155]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 035805204E; Fri, 4 Sep 2020 08:11:59 +0000 (GMT) Subject: Re: [PATCH v10 02/16] s390/vfio-ap: use new AP bus interface to search for queue devices To: Tony Krowiak , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: freude@linux.ibm.com, cohuck@redhat.com, mjrosato@linux.ibm.com, pasic@linux.ibm.com, alex.williamson@redhat.com, kwankhede@nvidia.com, fiuczy@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, imbrenda@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, kernel test robot References: <20200821195616.13554-1-akrowiak@linux.ibm.com> <20200821195616.13554-3-akrowiak@linux.ibm.com> From: Christian Borntraeger Autocrypt: addr=borntraeger@de.ibm.com; prefer-encrypt=mutual; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200821195616.13554-3-akrowiak@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-04_03:2020-09-04,2020-09-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 mlxscore=0 adultscore=0 impostorscore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009040068 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 21.08.20 21:56, Tony Krowiak wrote: > This patch refactor's the vfio_ap device driver to use the AP bus's > ap_get_qdev() function to retrieve the vfio_ap_queue struct containing > information about a queue that is bound to the vfio_ap device driver. > The bus's ap_get_qdev() function retrieves the queue device from a > hashtable keyed by APQN. This is much more efficient than looping over > the list of devices attached to the AP bus by several orders of > magnitude. > > Signed-off-by: Tony Krowiak > Reported-by: kernel test robot I think this can go. No need to mark that an earlier version of this patch had an issue. [...] > diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h > index f46dde56b464..a2aa05bec718 100644 > --- a/drivers/s390/crypto/vfio_ap_private.h > +++ b/drivers/s390/crypto/vfio_ap_private.h > @@ -18,6 +18,7 @@ > #include > #include > #include > +#include I dont think that this header file needs it. Any user of it will now include this. Can you move this include into the respective C file when the hash stuff is used? Other than that this looks good.