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McKenney" Subject: [PATCH v4 08/20] nvme: add context annotations for nvme_ns_head::current_path Date: Mon, 13 Jul 2026 17:24:09 +0530 Message-ID: <20260713115444.465704-9-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-Spam-Info: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX5pHx9v+YSYBW 8mi6QrH6XQuBan6VrCG5/Z+ocSIrrPb2mpuCyrwhOYul2M+Oo9rq+7uqpDb33aINEjwrpdhThRX OWWbHRGJGyy2KFnzLZ9qn7j91H3Eq1Q= X-Authority-Analysis: v=2.4 cv=Mp1iLWae c=1 sm=1 tr=0 ts=6a54d228 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=TuOugfuq9IBefrGnjZgA:9 X-Proofpoint-GUID: b6Pv_6aCkUt1aotHgJsq2mTnhc-MObW8 X-Proofpoint-ORIG-GUID: GwU0V2HzGffqwxunjWRkN7NWF9NDKbv8 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX79O3jrPX9gl4 iXzGHFW7G+Qvrx23WfiVsE5Cq0fmjO6R4x1lG/c4RTNWVOvaomoloaBDW7mK/pajiXLh/Ng9IeZ eJw4J9oC3Ln0/L1eWyj9py0x1t9ZUbRJ/H742CGtCrWyRzNEDtIfcA1huj3q7NVXriD5aPcRyh4 hErSQeHDMj9g5RLgbdzNPs0L+uwPKjjfHv+wK1gy7Art1y0QAjb0PHdOYmmcqxk2UfYE8nbIFzX 2HXczkBbrZQYTU0vZFMouHFbF0n93v2S7aTLPeJYgw45XMm69KgzcgWFvhPI7QLDKe2X+4TQd9Z tbwqkA/6fp7TgS3ojDpcshFD2pe91viGzmIK5HB8uaexvAtcotpvEa04gljWPMGBvD2pCi5LORe pZMj168yejsZuuC3IG3wFYmUW/Btc9lknbRcnBsu30GVQ9oWTIN7f97vQ+Yr/OwQo0tYIwijH3R QifDnbJX7BnYdZJnaIg== 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 adultscore=0 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 phishscore=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_045528_190395_7C0786BF X-CRM114-Status: GOOD ( 14.91 ) 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 Annotate nvme_ns_head::current_path[] with __rcu_guarded so that Clang's context analysis can validate accesses to the SRCU/RCU protected pointer. Cc: Paul E. McKenney Reviewed-by: Paul E. McKenney Signed-off-by: Nilay Shroff --- drivers/nvme/host/nvme.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 5e746ae1c805..610c685e2263 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -575,7 +575,7 @@ struct nvme_ns_head { #define NVME_NSHEAD_DISK_LIVE 0 #define NVME_NSHEAD_QUEUE_IF_NO_PATH 1 #define NVME_NSHEAD_CDEV_LIVE 2 - struct nvme_ns __rcu *current_path[]; + struct nvme_ns __rcu_guarded *current_path[]; #endif }; -- 2.53.0