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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 24 Sep 2018 09:33:50 -0600 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w8OFXljm21037272 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 24 Sep 2018 08:33:47 -0700 Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7BD28BE056; Mon, 24 Sep 2018 09:33:47 -0600 (MDT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B711BE04F; Mon, 24 Sep 2018 09:33:44 -0600 (MDT) Received: from oc8043147753.ibm.com (unknown [9.85.130.123]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 24 Sep 2018 09:33:44 -0600 (MDT) Subject: Re: [PATCH v10 10/26] KVM: s390: interfaces to clear CRYCB masks To: Cornelia Huck , Halil Pasic Cc: Tony Krowiak , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, freude@de.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, borntraeger@de.ibm.com, kwankhede@nvidia.com, bjsdjshi@linux.vnet.ibm.com, pbonzini@redhat.com, alex.williamson@redhat.com, pmorel@linux.vnet.ibm.com, alifm@linux.vnet.ibm.com, mjrosato@linux.vnet.ibm.com, jjherne@linux.vnet.ibm.com, thuth@redhat.com, pasic@linux.vnet.ibm.com, berrange@redhat.com, fiuczy@linux.vnet.ibm.com, buendgen@de.ibm.com, frankja@linux.ibm.com References: <1536781396-13601-1-git-send-email-akrowiak@linux.vnet.ibm.com> <1536781396-13601-11-git-send-email-akrowiak@linux.vnet.ibm.com> <20180924130153.766eaec7.cohuck@redhat.com> <42b23a01-bee1-0c87-3f81-320c40bcb7c9@linux.ibm.com> <20180924140120.398a3293.cohuck@redhat.com> From: Tony Krowiak Date: Mon, 24 Sep 2018 11:33:43 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <20180924140120.398a3293.cohuck@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 18092415-0004-0000-0000-00001490D449 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009763; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000267; SDB=6.01093007; UDB=6.00564886; IPR=6.00873045; MB=3.00023483; MTD=3.00000008; XFM=3.00000015; UTC=2018-09-24 15:33:53 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18092415-0005-0000-0000-000088EC5D6C Message-Id: <9cf3d134-afbb-2f2f-8386-63b1ab5e3d2f@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-09-24_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=727 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1809240153 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/24/2018 08:01 AM, Cornelia Huck wrote: > On Mon, 24 Sep 2018 13:50:36 +0200 > Halil Pasic wrote: > >> On 09/24/2018 01:01 PM, Cornelia Huck wrote: >>> On Wed, 12 Sep 2018 15:43:00 -0400 >>> Tony Krowiak wrote: >>> >>>> From: Tony Krowiak >>>> >>>> Introduces two new KVM interface to clear the APM, AQM and ADM masks in >>>> the guest's CRYCB. The VCPUs are taken out of SIE to ensure the VCPUs do >>>> not get out of sync. >>> >>> Hm, that patch description does not quite match what the patch actually >>> does... >>> >> >> You mean it is not obvious where the masks get cleared? Well the APCB is >> defined to contain exactly the three masks. As far as I can tell the patch >> description is correct. > > No, I was referring to "two new KVM interface[s]". The patch just > introduces a new function that clears the masks (well, maybe you can > call this an "interface"). So > > s/two new KVM interface/a function in KVM/ > > and I'd be happy :) (sorry for being too vague) I'm not quite sure why this is not an interface, but this is not a hill I'm willing to die on. And, I agree, there are not two of them. I'll make the change. >