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workqueue: make wq_subsys const

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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 <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Cc: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240206-bus_cleanup-workqueue-v1-1-72b10d282d58@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo B. Marliere
2024-02-06 15:05:06 -03:00
committed by Greg Kroah-Hartman
parent f297a3844a
commit 5df9197edd
1 changed files with 1 additions and 1 deletions
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2
kernel/workqueue.c
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@@ -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,
};