From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8374542643A for ; Mon, 6 Jul 2026 14:16:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783347381; cv=none; b=Eneyyw7TXizZdmqOCg8EywLG6/Z4gdDnX1c9dPaMn+TiUy7inGLdACWHWKbP0wA9eYUs2kSP2ra9fjdnZQhYU5wo6QDrHqvmX6df4Np03ZOdkWW/W5Vd08wifX8IjuZNgbWkOGYjCegZn7yS0i04XXneHOdzlx+zL3LdDcLxYZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783347381; c=relaxed/simple; bh=vzbTDe+8lQuy1yIi33DgqRqOSFQJqSjtB6qQ7C4sV1o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kCe/C7lvD3rK8gng6aOtS/g+dPx6EsDCcHowiUPPFEVkaZoaMrMD/CyyJ2NuhDefDWJCkM3i33utc7Y9MLg69prQESc5cOF2nFNuNfKlRyOpXyDod9XkZq0hj+bImaW7opi+QWcvIVFwsCbbxifFAU7QgiOl20g+wRLVqBrrxsM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=Lvp6fp5q; arc=none smtp.client-ip=148.163.156.1 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="Lvp6fp5q" Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 666BIO3O4094107; Mon, 6 Jul 2026 14:16:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=p0JzCFoY0vvbKIbWU hPVOnRAunhGxTKpi9Q0EX2i2g8=; b=Lvp6fp5qocpCpqz1vFovWcaS5ZKbSmGpT N99f8ZRzZwXrFK9JTI9agei8vgqXeTBL+xVNe/avJsQdqtOgBl67539LCPhRBNRg POQT5m3Xv+jF9SPObhHnaZRub3e+vdJyxc6UDZUVGZIo5ijpHB9LmOGhOXcAfn9d Wh9k4qlZoXb0QWt69EnGJ0hv81zGVcQwaE2D8HtFG39Gs0/+a04OxK7XbbkfI4tQ XfEcGpcFpWEMKbC1q/S7sjwARpEjSopSlE86FLk82kHeltmuzNRWwKLiNvNIiw+t WW6zM03M7cfzM8c3DFDfnxj7ppPjLBRKT7pujuj9iUHDvD2bO4bwQ== Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4f6sw4hstd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 06 Jul 2026 14:16:07 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 666E4dTe018969; Mon, 6 Jul 2026 14:16:07 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4f7cgpx44f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 06 Jul 2026 14:16:06 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 666EG3u138601000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 6 Jul 2026 14:16:03 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6781E20043; Mon, 6 Jul 2026 14:16:03 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 23BCC20040; Mon, 6 Jul 2026 14:16:01 +0000 (GMT) Received: from li-a84c74cc-2b13-11b2-a85c-acdd023f0674.bl1-in.ibm.com (unknown [9.123.7.57]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 6 Jul 2026 14:16:00 +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 v3 11/18] nvme: add context annotations in fabric.c Date: Mon, 6 Jul 2026 19:44:13 +0530 Message-ID: <20260706141452.3008233-12-nilay@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260706141452.3008233-1-nilay@linux.ibm.com> References: <20260706141452.3008233-1-nilay@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: j1qmRqfyhtuo4hpxCtpTpDvkViafyyvv X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDE0MSBTYWx0ZWRfX19NRrLHeggFr jIGqUf0kFFw3ZEEgGpA0V3CgsCGZ+yTyYfB48Qf9kGRt6p1Yo1zEtMHsugwJyXWWjh5S3rsQSKi CcpBiP3KoV7HSlWyJIfpwV+uCQKQ5I853qTmYiKW/3FED7rHVOVcqXN5MCajVKGlu8KmsJrC0nX WxsY32ShGpiZ9OPu7krRioF431cZU3sjHlwpqOi5dDo0cfZxaXY5pB9Ko5oJ0I840ZJBBKV4LHs xVONr1fSJ69fHX4I4pMoEsBTi8xaMvaMIASEAYQFZ7m3Y3pIqfwkqnWwo7dU9eGKaPNO7W+Zlc/ xz+7ma05SqWfDDg54tl1EzxuZk0qiisLN23I6c8shKcezgHE92Z3yzz/yWRiQu8a4uWMybFsPsb HiRfAujYDfHj/lsdDNHiRMAtGr+CyUX8YLhuImRif0Foz8FPjPSjLMBndCM9k+amOVQXW7ziYzO JtFKW3f21vVS55UB2TA== X-Proofpoint-ORIG-GUID: KpmGvOa0oyLsFyg1TY1bWcI6FnfLjBWP X-Authority-Analysis: v=2.4 cv=FqQ1OWrq c=1 sm=1 tr=0 ts=6a4bb8a8 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=-W7SLkP_sVXSNSbjlKUA:9 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDE0MSBTYWx0ZWRfX9wIeeywBnuRO c3MOiml+zW0mfC2P4EFwCpfKpie3zqFQG+echInrqt/oQ+DeVsyTzDyh5phMEW1ZXtgrd9bNbry Zg+9XNcqB99NB/+XEw61HML5IHpmRVE= 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=2026-07-06_01,2026-07-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060141 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 INIT_LIST_GUARDED() 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..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