diff mbox series

[1/2] xen: pcpu: make xen_pcpu_subsys const

Message ID 20240203-bus_cleanup-xen-v1-1-c2f5fe89ed95@marliere.net (mailing list archive)
State Accepted
Commit 2528dcbea94496f080aad9311327baedc11831d7
Headers show
Series drivers: xen: struct bus_type cleanup | expand

Commit Message

Ricardo B. Marliere Feb. 3, 2024, 6:53 p.m. UTC 
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>
---
 drivers/xen/pcpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
index 508655273145..c63f317e3df3 100644
--- a/drivers/xen/pcpu.c
+++ b/drivers/xen/pcpu.c
@@ -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",
 };