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Tue, 23 Mar 2021 10:49:12 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.171.5.141]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id F329952050; Tue, 23 Mar 2021 10:49:11 +0000 (GMT) Subject: Re: [PATCH v2 0/2] s390/kvm: VSIE: fix prefixing and MSO for MVPG To: Claudio Imbrenda , linux-kernel@vger.kernel.org Cc: frankja@linux.ibm.com, david@redhat.com, cohuck@redhat.com, kvm@vger.kernel.org, linux-s390@vger.kernel.org References: <20210322140559.500716-1-imbrenda@linux.ibm.com> From: Christian Borntraeger Message-ID: <9b7b3232-be98-fdd1-4c53-10c2b130ce25@de.ibm.com> Date: Tue, 23 Mar 2021 11:49:11 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210322140559.500716-1-imbrenda@linux.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-23_03:2021-03-22,2021-03-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 priorityscore=1501 spamscore=0 suspectscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103230078 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 22.03.21 15:05, Claudio Imbrenda wrote: > The guest real address needs to pass through prefixing in order to yield > the absolute address. > > The absolute address needs to be offset by the MSO in order to get the > host virtual address. > > v1->v2 > * use the MSO from the shadow SIE page instead of the original one > * reuse src and dest variabled to improve readability > > Claudio Imbrenda (2): > s390/kvm: split kvm_s390_real_to_abs > s390/kvm: VSIE: fix MVPG handling for prefixing and MSO > > arch/s390/kvm/gaccess.h | 23 +++++++++++++++++------ > arch/s390/kvm/vsie.c | 6 +++++- > 2 files changed, 22 insertions(+), 7 deletions(-) > I picked both for internal CI and staging. 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