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Wed, 10 Jun 2026 14:28:31 +0000 (GMT) Received: from li-a84c74cc-2b13-11b2-a85c-acdd023f0674.ibm.com.com (unknown [9.43.34.89]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 10 Jun 2026 14:28:31 +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: [PATCH 10/15] nvme: add Clang context annotations in fabric.c Date: Wed, 10 Jun 2026 19:57:30 +0530 Message-ID: <20260610142743.115898-11-nilay@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260610142743.115898-1-nilay@linux.ibm.com> References: <20260610142743.115898-1-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-ORIG-GUID: JcS03k1FIr-WK5vlWE4u5adZB_Cf02vV X-Proofpoint-GUID: xuGaPoi_rxPIu6-NiETy1-75CcfOqSmF X-Authority-Analysis: v=2.4 cv=ZbEt8MVA c=1 sm=1 tr=0 ts=6a297497 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=-W7SLkP_sVXSNSbjlKUA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjEwMDEzNSBTYWx0ZWRfXxsS9qhZoKU3K bCf28Q1HbAQDpoyQV2AyC45KyDTHb41E60QO/gVl9/9r9rCpm/dUNrFv6tegbDFJ+tGL9He91IX MDL95UxZ+cxCLT7/tgXDTOuy2/lqpzw1orXlcKI7T31Jjopfo49h/5jMOs9bL89aU+m+Cx9k0F4 bogfSATr2RsJdTQcw2RQsGWjlvh6vxXEeZFnM4J4qloY6wsGormE8miaj5IzE62h24qPScY8hL7 PZ7Y3HjU7BNL+Gz8qBLpIujzQTDunW8uVi9XQPns0IjsCpOAs+C6VMQ2qHA3ggab+4Qe0BKx8Rm u2uNMiDVJRJwqF7xUAhY8c5Fmu+dLaxminU8EWsHM+sPYnwsrthlFIu0fQEZTrK5Eu3RwR2ppvT lCbZFc90ah4YT3YNR35B18fMQJp5ILh+C0G0StSzzJxTvg3V82tiWkIw63xzQs2jdZnC4FuagQ+ zxZ41SfYbcVe9/ArCyA== 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=2026-06-10_03,2026-06-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 spamscore=0 priorityscore=1501 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606100135 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260610_072847_278916_1742BD2D X-CRM114-Status: GOOD ( 12.90 ) 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