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xen: pcpu: make xen_pcpu_subsys const 

Now that the driver core can properly handle constant struct bus_type,
move the xen_pcpu_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-xen-v1-1-c2f5fe89ed95@marliere.net
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Ricardo B. Marliere 2024-02-03 15:53:37 -03:00 committed by Juergen Gross
parent b2c52b8c12
commit 2528dcbea9
1 changed files with 1 additions and 1 deletions
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2
drivers/xen/pcpu.c
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@ -65,7 +65,7 @@ struct pcpu {
uint32_t flags;
};
static struct bus_type xen_pcpu_subsys = {
static const struct bus_type xen_pcpu_subsys = {
.name = "xen_cpu",
.dev_name = "xen_cpu",
};