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Sun, 14 Jun 2026 13:16:18 +0000 (GMT) Received: from li-a84c74cc-2b13-11b2-a85c-acdd023f0674.ibm.com.com (unknown [9.43.80.1]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Sun, 14 Jun 2026 13:16:18 +0000 (GMT) From: Nilay Shroff To: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Cc: hch@lst.de, kbusch@kernel.org, sagi@grimberg.me, axboe@fb.com, bvanassche@acm.org, elver@google.com, gjoyce@linux.ibm.com, Nilay Shroff Subject: [PATCHv2 10/17] nvme: add Clang context annotations in fabric.c Date: Sun, 14 Jun 2026 18:45:25 +0530 Message-ID: <20260614131541.2017845-11-nilay@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260614131541.2017845-1-nilay@linux.ibm.com> References: <20260614131541.2017845-1-nilay@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE0MDEzMCBTYWx0ZWRfX0hWofr9jXAG3 MOVRJ6XcuoIND9OySDLmb9fifWYPrsOrhy/Jm4u6Nq7nwY+yd6EQJDUQSfTUzujNALhQHcCpy7A 4NzbqaNH7HKZ7A5bhNpB6/wS5tK1OHU= X-Proofpoint-GUID: pGQ74hkih9qqwBhIyQGugA_4_aXRCG7Q X-Authority-Analysis: v=2.4 cv=SY/HsPRu c=1 sm=1 tr=0 ts=6a2ea9aa cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=-W7SLkP_sVXSNSbjlKUA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE0MDEzMCBTYWx0ZWRfX90gZOVZ05o3u BzI0z6n3QGZ5qih18b94roCAt8lD54P7mpsrRaHM++a9Oc3DvnEgkyhBOb5C9n0usbmS60Ruz+4 NNnBDKWzCdJkWqdWfv8QArK1rZricIlUflIlr95DvxPxzpJO+IzF744oJrFjs7pFLKVGdqMUflq 731HfX2NDBn9bq8BJT+3tbAX4849QZ3qspRiR62tGBLV++TTIo6bVn7eiGbVBYE6j9lq1JQ5Js6 ceuhstI5XbIwvk97jkeXT94cTui4VUxssUDb4DB2dMLgBq6S3HNMgWxF77GtLAWhl/CduPTq4u8 KezY1zzGv3XrB142pKTVKxPggfIQuqvf9z04TRAhWfUd/ldZORjma+/GD1ZDJjlFHK/e6dwOZqU nq8CBcoMilzECfIk1u+G+laQVZEv14vCS8lp6y/AngzLoFsDNLmIzmEx9KkeFn2jg1LGBRBbdVu dm70hSdC1wUOY85gu4A== X-Proofpoint-ORIG-GUID: DKnoMl0OgNfkPAzBnD2kVaWUgw2wV0a_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-14_03,2026-06-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 suspectscore=0 spamscore=0 impostorscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606140130 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260614_061636_045314_87ACAD0F X-CRM114-Status: GOOD ( 11.71 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org The global nvmf_transports list is protected by nvmf_transports_rwsem and the global nvmf_hosts list is protected by nvmf_hosts_mutex. Annotate both lists with __guarded_by() so that Clang's context analysis can validate accesses to the lists against the corresponding locking requirements. Signed-off-by: Nilay Shroff --- drivers/nvme/host/fabrics.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index ac3d4f400601..9a627a5095ac 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -14,11 +14,11 @@ #include "fabrics.h" #include -static LIST_HEAD(nvmf_transports); static DECLARE_RWSEM(nvmf_transports_rwsem); +static __guarded_by(&nvmf_transports_rwsem) LIST_HEAD(nvmf_transports); -static LIST_HEAD(nvmf_hosts); static DEFINE_MUTEX(nvmf_hosts_mutex); +static __guarded_by(&nvmf_hosts_mutex) LIST_HEAD(nvmf_hosts); static struct nvmf_host *nvmf_default_host; -- 2.53.0