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Wed, 9 Feb 2022 15:22:38 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D82D411C050; Wed, 9 Feb 2022 15:22:37 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 9 Feb 2022 15:22:37 +0000 (GMT) From: Michael Mueller To: kvm@vger.kernel.org Cc: cohuck@redhat.com, borntraeger@de.ibm.com, frankja@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, david@redhat.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Mueller Subject: [PATCH v3 0/1] KVM: s390: pv: make use of ultravisor AIV support Date: Wed, 9 Feb 2022 16:22:16 +0100 Message-Id: <20220209152217.1793281-1-mimu@linux.ibm.com> X-Mailer: git-send-email 2.32.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: VC6tczq0g_i8IE5PuqVrtiVZNHE01DWQ X-Proofpoint-GUID: p5AAFkbSYKFKfD1xQ7XD3MSdDaBl6atE Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-09_08,2022-02-09_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=402 priorityscore=1501 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202090085 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch enables the ultravisor adapter interruption vitualization support. Changes in v3: - cache and test GISA descriptor only once in kvm_s390_gisa_enable() - modified some comments - removed some whitespace issues Changes in v2: - moved GISA disable into "put CPUs in PV mode" routine - moved GISA enable into "pull CPUs out of PV mode" routine [1] https://lore.kernel.org/lkml/ae7c65d8-f632-a7f4-926a-50b9660673a1@linux.ibm.com/T/#mcb67699bf458ba7482f6b7529afe589d1dbb5930 [2] https://lore.kernel.org/kvm/20220208165310.3905815-1-mimu@linux.ibm.com/T/#e0ecf74ad7fdccc5ed22007e783106d4ef7b849df Michael Mueller (1): KVM: s390: pv: make use of ultravisor AIV support arch/s390/include/asm/uv.h | 1 + arch/s390/kvm/interrupt.c | 56 ++++++++++++++++++++++++++++++++++---- arch/s390/kvm/kvm-s390.c | 11 ++++++-- arch/s390/kvm/kvm-s390.h | 11 ++++++++ 4 files changed, 70 insertions(+), 9 deletions(-) -- 2.32.0