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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707242685; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=6/sMfQ4C2LqtKvqqdaWxWMsx/4R6rTjfiNR3jdV33D4=; b=iJ7+Rq+8feZu+ukBnYYkMMivm+bNOMEs4M7eabGmy5IiTT36FSD5Y9+u24YUW6gY6eud84 HsE+yJmqH2bZrfMQy2ckuwUaK0DYMwThA6rxPU0vmipyXN9V3A95gMuj0VCY/4n21cCUoo JnQPiIcwOGlrZXYLDyIbdkx7V8P4kBiouPd99tdJGfDxqPu+Ymbt9YDo4orr6qqiHWdUhF TSHALQNwM+OrYU+ovJoZw7YQvrUusoRBXKNsXyBAfSMHTTmPbUqajawwJY/PnwH7TGWFPZ 2hE/x1YNn+iFTuZNrsxtWPaQM4LVLVtQ+8Y4/q+kCE997coHiWoTFoIo0cjVsg== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Tue, 06 Feb 2024 15:05:06 -0300 Subject: [PATCH] workqueue: make wq_subsys const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240206-bus_cleanup-workqueue-v1-1-72b10d282d58@marliere.net> X-B4-Tracking: v=1; b=H4sIANF0wmUC/x3M0QpAMBSA4VfRubbaZpvyKpKGgxMNW0PJu1suv 4v/fyCgJwxQZQ94PCnQ5hJEnkE/WzchoyEZJJeKS25YF0Pbr2hd3Nm1+eWIGJEJrUqrjC7kICC 1u8eR7v9bN+/7AfKWKkdnAAAA To: Greg Kroah-Hartman Cc: Tejun Heo , Lai Jiangshan , linux-kernel@vger.kernel.org, "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1166; i=ricardo@marliere.net; h=from:subject:message-id; bh=csIGa+rd7lcNnhTQbpItKD6NpMqF39eNVB3gtdBsnA0=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlwnTcwzfqVRHqZhUZNfw///fw0r9IwUn5joN6v J9nzqTZxf6JAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZcJ03AAKCRDJC4p8Y4ZY psygEACo9A4c81fJKS97/6hziaVq+DgVpPtkloBf5QVMfzsuidx4Zr+l8UEWqlb+jXd+jLtGhzt 1rf1RyQaW8U77kcdkx7jLq6kyHSI+A3ZiyZMdM9gCRFaVZ1ejZjniV9NtUXXgcINXp2wz+odFoR ulSuD558rj6b33Zw+Uu8luRmbQAqT+6RX8SxpLYMS7pqWWDwlejwJDgy0kGP9Wgwc1hMTtRGrgd IQtkMAJtfPZlXMHA9cZhQOiBnQ7dzt2to9q6zEoaFu0MGRxZtGyJTBmpfxKzV4rYFuoIXyvZBdM AD3tirU+beEh/3yrhO8Pgq5eQjQmzfc3S4cZMEoal7d44b3i8whe4Na4tgZa7BwKib7LMa4FoNL X8THbHsOQSZV0tR0bhdXPhGL+30uQzpQ/9vxTN1W78gTItQW/eI97xQfcTk6Nr1gFVYx6mKxHc7 A92Hih/jhpPyXH7Q5UJGtE4mqrhg1k6TmcCXIN2BAcxoiVHxs4u1uftsdSeoPLsKokUcB2MwfOi KUUfARx/bo/jo5h4eNfK6OV1TEH09Viovqe2sTyHVXZTYC+YgI8MVTcLWcHGBx3pSdDFCC76OSW Ei2YPMiszy3DST7ISOVpVxi+lhoJH5kVusp9HHbmis7WQ9n28SadBFhhDrASJfjx0mZt6jxz9p3 NXC6/tXW6DpsRXw== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790183086370674198 X-GMAIL-MSGID: 1790183086370674198 Now that the driver core can properly handle constant struct bus_type, move the wq_subsys variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- The maintainer asked [1] for this patch to be received through the driver-core tree. [1]: https://lore.kernel.org/all/ZcEeOueCbrltxr_b@slm.duckdns.org/ --- kernel/workqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: f297a3844aa059c53be3f69be85ebc071b8a6d16 change-id: 20240206-bus_cleanup-workqueue-1547a46532d1 Best regards, diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 76e60faed892..f1e062acd091 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -6157,7 +6157,7 @@ static struct device_attribute wq_sysfs_unbound_attrs[] = { __ATTR_NULL, }; -static struct bus_type wq_subsys = { +static const struct bus_type wq_subsys = { .name = "workqueue", .dev_groups = wq_sysfs_groups, };