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Fri, 7 Aug 2026 12:31:39 +0000 (GMT) Received: from [9.224.77.173] (unknown [9.224.77.173]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 7 Aug 2026 12:31:39 +0000 (GMT) Message-ID: Date: Fri, 7 Aug 2026 14:31:39 +0200 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/3] s390: Enable CONTEXT_ANALYSIS for cio and virtio To: Heiko Carstens , Janosch Frank , Claudio Imbrenda , Eric Farman , Matthew Rosato , Vineeth Vijayan , Peter Oberparleiter Cc: linux-s390@vger.kernel.org References: <20260806153849.2622576-1-hca@linux.ibm.com> Content-Language: en-US From: Christian Borntraeger In-Reply-To: <20260806153849.2622576-1-hca@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDA5NSBTYWx0ZWRfX7IE44+diyPmW HfmrBpDJNq0uI484F2rhU/IbmWC/qyGuggOg4r0fz8bce8Xn6BNE4/uNgBHxu8VCfmxIC4sybbB 2V5pFC79x4LXK8VsGQ0Drbw0mNVzr6figqnRF+JrM2tqMSUBRhTYxY+y41VoYu0vOUH3eXOunyy 6OwocjMXVPIDD3ik/1lPUQ9o79dpoZ9KzdpxKs6uWR/h0mzo8oI5Ml62V76w8ekz+9iDtY7UoXg AfyYHLbEoynKwcatmjP4VMtpgzGIwLUfZwfKwkzKXM8YhsvmKVeKZqzoC8wsK+TC1h5O54si8sV G4PoJViR07HCjdpHSf9bw0jl1WslgpxgPS7ZHpA5RJOK0boeFDdHP7zZqXJ6GCtRk9Cxb2HosCa /MgoxZgKIYE8B9tObuBjmElQZlLeCyu/6kmFanHKZUy0J4Tv/lg634lJHhLAW/Ih86EiHLQuAdb NAMRrYZXmQ1QHloKgQw== X-Proofpoint-ORIG-GUID: pXSXA4nOdwdIjS_YLMPsWg5Fht7Kxbzo X-Proofpoint-GUID: pXSXA4nOdwdIjS_YLMPsWg5Fht7Kxbzo X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDA5NSBTYWx0ZWRfXwVWica9l/DDm uFFKjYQnok9J1nSxxrlG/LPjndkstMfa2zJ73hx6JovuFSTlpSj6oSELZ6h/DfnEPLlALAcYU/v uaP82o3eFB7RDmw3kk9C02E52sftc+8= X-Authority-Analysis: v=2.4 cv=WLpPmHsR c=1 sm=1 tr=0 ts=6a75d031 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=V0iI-RycjD_1OnvpXFgA:9 a=QEXdDO2ut3YA:10 a=zgiPjhLxNE0A:10 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=2026-08-07_01,2026-08-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 clxscore=1015 impostorscore=0 priorityscore=1501 phishscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608070095 Am 06.08.26 um 17:38 schrieb Heiko Carstens: > Enable CONTEXT_ANALYSYS for cio and virtio. > > Static code checking for acquiring and releasing locks used to be done > with sparse. That was removed with [1] and replaced with a clang based > approach [2]. The new approach requires that each subsystem needs to be > explicitly enabled for checking. > > Do that for cio and virtio. Add a __must_hold() attribute to > vfio_ccw_sch_quiesce() to address the only valid warning. > > Then enable CONTEXT_ANALYSIS for both cio and virtio. > > Christian, Claudio, Janosch, I think it would make most sense if this > goes via kvms390. applied with the small ";" fixup and scheduled for next. Thanks you.