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Mon, 13 Jul 2026 11:55:25 +0000 (GMT) Received: from li-a84c74cc-2b13-11b2-a85c-acdd023f0674.bl1-in.ibm.com (unknown [9.123.7.57]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 13 Jul 2026 11:55:25 +0000 (GMT) From: Nilay Shroff To: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Cc: hch@lst.de, elver@google.com, kbusch@kernel.org, sagi@grimberg.me, axboe@fb.com, bvanassche@acm.org, gjoyce@linux.ibm.com, Nilay Shroff Subject: [PATCH v4 14/20] nvme: add context annotations in fabric.c Date: Mon, 13 Jul 2026 17:24:15 +0530 Message-ID: <20260713115444.465704-15-nilay@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260713115444.465704-1-nilay@linux.ibm.com> References: <20260713115444.465704-1-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-GUID: Cdz1jkgVFV0lNI72_gdtIRUNMDfb6skb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX52Qf0Ci/6qtJ BNrZ/5yupAnRANuIAmrmQvkGcfd2DFMNq5jZjay+WgbVKiFbsgklWtMK1IauB5kyPQ1lpPbJzvs sWbT2EDWklW6E6bqJR8psCpQRqdDQzf1lXsI/nYVBswW3/V0F3TUgSDB6Zx7QaPNHeO/1bnLP1O 9H15w3l72Zm7y6JplQJ/JeDlwYvtrs4ZmHMTDf1bPxW+nh/H/ib5z5vIPrpZpGfxjPC8YnRAy0t deOMG4f9garDipgL8IrOYFCQJYQ5OHerDXt5ixmvwkfpwlfZ/wnzL+SbdVgo+Cgp5FlOdjJ3HQL dt4JWa7jx0udw12+YxlEPivf/jGGa6FsfQyJn5UO/FMb9UPCGuNbZ3147uRCGTFEvxot2qmojF6 Lpr/mKTZwK8s8Qg+L+9FlG/QY20JVRrqBoKxd4ODhosQeMwRo4OpfRJDnmDxoyur0BdfGVtWd/P NEtrYiJMO7SFFgic1WA== X-Authority-Analysis: v=2.4 cv=XJoAjwhE c=1 sm=1 tr=0 ts=6a54d234 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=-W7SLkP_sVXSNSbjlKUA:9 X-Proofpoint-ORIG-GUID: 8UYGcwGA6qjeYPr48lyrH7mN_iqtU4-J X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfXwoCD5/+hoRjZ yf4yIP+rOMGZ5w7imHzzygioosJC2wRqcA7fbiYeQureIV4jLhOXH8GS0yW0+f1xKa7l/19BVqG 3DDKW6do4qi8/2SSR/lNzAaFP2BzJPI= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-13_02,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607130122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260713_045539_594978_AF491BF7 X-CRM114-Status: GOOD ( 13.89 ) 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. Define both lists using LIST_HEAD_GUARDED() so that Clang's context analysis can validate accesses to the lists against the corresponding locking requirements. Reviewed-by: Christoph Hellwig 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..fd5abd04e080 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 LIST_HEAD_GUARDED(nvmf_transports, nvmf_transports_rwsem); -static LIST_HEAD(nvmf_hosts); static DEFINE_MUTEX(nvmf_hosts_mutex); +static LIST_HEAD_GUARDED(nvmf_hosts, nvmf_hosts_mutex); static struct nvmf_host *nvmf_default_host; -- 2.53.0