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Mon, 09 Nov 2026 03:33:31 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6A93XRV550659584 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 9 Nov 2026 03:33:27 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A387A2005A; Mon, 9 Nov 2026 03:33:27 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 053D120043; Mon, 9 Nov 2026 03:33:23 +0000 (GMT) Received: from li-a84c74cc-2b13-11b2-a85c-acdd023f0674.ibm.com.com (unknown [9.61.101.130]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 9 Nov 2026 03:33:22 +0000 (GMT) From: Nilay Shroff To: kbusch@kernel.org, hch@lst.de, sagi@grimberg.me, axboe@kernel.dk, chaitanyak@nvidia.com Cc: gjoyce@linux.ibm.com, bvanassche@acm.org, elver@google.com, linux-nvme@lists.infradead.org, Nilay Shroff Subject: [PATCH 19/23] nvmet: add context annotation for PCI P2P parameters in struct nvmet_ns Date: Mon, 9 Nov 2026 08:58:24 +0530 Message-ID: <20261109033102.982191-44-nilay@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261109033102.982191-25-nilay@linux.ibm.com> References: <20261109033102.982191-25-nilay@linux.ibm.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA5MDAxMiBTYWx0ZWRfX77B0jn/t/y7E z0I7DDbvVR+nNAwaa6yEh+mEBqftwzcCQaivZNOiK2oReMAKiJCsLZYymMlIqeH08L/18uQK3XI rmjw9M/+glrkviLyafy5By1JGKdlCAnWB2BrVFz0NuKtiJWDmWotNGindEZyfq3PoS/OXXS3oFx InNet3ZoekY+3zl65eAjdnTI7xY2mYHG1cepbxIaHdOANcAXyRkeuL3xHBNJw1b6xN6qnntihyj g5XA+KdNBwQDlaSL04myyQd0N2baoKB78H2T77H6tsuGzVuTfWp70c+zitGp5tPFrS6WgHJhmBn kljyu+V/pIn/Q6DFMMkDgsEtQ7KDRUdhrq8MJOx1g4OwDJL8b30LOfMwzXNNfg6sovOKXQiX3wb e+gpEOp5e1OjaKoXBxLwqpRcs7dmb3FpKJSgUEjAzhSM5SmCz9mYGs9mQp0kf4JSDID5PRlicwQ Euwr/e4qm4TFJOLGxHw== X-Proofpoint-ORIG-GUID: TP_lITZ4lHuEr1uDz105QL3Ri700edHT X-Proofpoint-Spam-Info: AW1haW4tMjYxMTA5MDAxMiBTYWx0ZWRfXzfr6IMo9Vve+ F87xy+WNlkXdsDw029Z4W+f2g7iur41Gky7k8YALFqL9qmB6/msBk2rvMk2a9b9Om7ZEXcqTyqi D7rb9lmaM2JL8sfLLh26o61PDcvSOuc= X-Authority-Analysis: v=2.4 cv=euZKXYpX c=1 sm=1 tr=0 ts=6af13f0d cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=YeBxuRm8RaLLF98ZCrQA:9 X-Proofpoint-GUID: hGD5ZKiSL6tRuTb6pb8UWQy6Ur7KyW2v X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-09_01,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 suspectscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 impostorscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611090012 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261108_193340_433695_205B9D6E X-CRM114-Status: GOOD ( 13.55 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" X-Spam-Status: No, score=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 nvmet_ns::p2p_dev and nvmet_ns::use_p2pmem are protected by nvmet_subsys::lock. Annotate it with __guarded_by(&subsys->lock) so that the clang context analyzer can validate accesses to this field. Signed-off-by: Nilay Shroff --- drivers/nvme/target/nvmet.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index fa932c1fbf29..9e7a3992bb76 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -185,8 +185,10 @@ struct nvmet_ns { struct completion disable_done; mempool_t *bvec_pool; - struct pci_dev *p2p_dev; - int use_p2pmem; + struct pci_dev *p2p_dev + __guarded_by(&subsys->lock); + int use_p2pmem + __guarded_by(&subsys->lock); int pi_type; int metadata_size; u8 csi; -- 2.53.0