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Tue, 1 Sep 2026 14:20:17 +0000 (GMT) Received: from osiris (unknown [9.111.45.16]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 1 Sep 2026 14:20:17 +0000 (GMT) Date: Tue, 1 Sep 2026 16:20:16 +0200 From: Heiko Carstens To: Thomas Richter Cc: linux-s390@vger.kernel.org, Vasily Gorbik , Alexander Gordeev Subject: Re: [PATCH 0/3 v8] Add CPU hotplug support for PAI PMU Message-ID: <20260901142016.14482Fc5-hca@linux.ibm.com> References: <20260901085448.2260658-1-tmricht@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260901085448.2260658-1-tmricht@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 5LZkL6ZEojojQ1tnGaMn47PwrRd1zfBP X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDEyNCBTYWx0ZWRfXwh2pDBBK205I STTWzUhgLlp+1Ohv/Xew0Was/rDM9GyZd25lR0vCqzXb2VyR2j9lwZcui6vRSe/nNOom53Lcpzn NW/LbG5SvcD2uptyHD5XyesPiTtNXCe1qBbrpeEh6GMfARCy3M95fcr1M4/lwgwV3q7BKS5xcl9 nbm5MfuCctIxkxuN5ggbYUnQ2iA6G9yuLzvw3MmE79pR1LsSiixX4z/hTslNce/zyqNl1jhNc2r mGlGRC+ndimXKa58LvYuwNfG1zskoLLoNq+YZDTz+4CJkfmGI+3cMsaBMDYWC673jTUu+u7V3yy iMqognsZPEguo6DkTNgaifTCIbfOM/Og5SAgCvQVZZUVQjDjTlgiKKw+7HHFUAH/t+LOkNvnjUx Mqov7Nq59PHLVpxyTr03jw70nNqDkxiOhcSikYbmGTNvlZePC4idlFkEL8xqQdm085ewzvTuTbn UwsgFBGAOsPgK78SJxA== X-Authority-Analysis: v=2.4 cv=Osl/DS/t c=1 sm=1 tr=0 ts=6a96df26 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=mNk3Nu2FOYNDAnvZWEYA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDEyNCBTYWx0ZWRfX1uyn5NUYWq4h LpUUp5kYHAB4pUr1OsjDE9cWyIXMyKcL08it5eAYafo6HTh7DCrnsYdSXj4iC27INXmnvbML97B d9zVQRJtmRhTebI0dwVbu85YFCYItyY= X-Proofpoint-ORIG-GUID: 5LZkL6ZEojojQ1tnGaMn47PwrRd1zfBP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-01_03,2026-09-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 phishscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609010124 On Tue, Sep 01, 2026 at 10:54:45AM +0200, Thomas Richter wrote: > Add support for CPU hotplug add and remove for PAI PMU. > > Patch 1: Change function argument list > Patch 2: Move locking from CPU scope to event scope > Patch 3: Add CPU hotplug handler > > Thomas Richter (3): > s390/pai: Use PAI PMU index as parameter replacing event > s390/pai: Move locking to event init and delete > s390/pai: Support CPU hotplug for PMU PAI > > arch/s390/include/asm/pai.h | 1 - > arch/s390/kernel/perf_pai.c | 182 +++++++++++++++++++++++++----------- > 2 files changed, 128 insertions(+), 55 deletions(-) Series applied, thanks!