diff mbox series

sparc: vio: make vio_bus_type const

Message ID 20240204-bus_cleanup-sparc-v1-1-4ca7fe8de5f7@marliere.net
State New
Headers
Series sparc: vio: make vio_bus_type const |

Commit Message

Ricardo B. Marliere Feb. 4, 2024, 3:19 p.m. UTC 
  Now that the driver core can properly handle constant struct bus_type,
move the vio_bus_type 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>
---
 arch/sparc/kernel/vio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


---
base-commit: 2d2b17d08bfc3d98cf93622e8c6543eaaf02dabe
change-id: 20240204-bus_cleanup-sparc-9581a9b88ef9

Best regards,

Comments

Sam Ravnborg Feb. 4, 2024, 7:10 p.m. UTC | #1 
On Sun, Feb 04, 2024 at 12:19:50PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the vio_bus_type 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>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Greg KH Feb. 5, 2024, 12:51 p.m. UTC | #2 
On Sun, Feb 04, 2024 at 12:19:50PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the vio_bus_type 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>
Andreas Larsson Feb. 16, 2024, 4:21 p.m. UTC | #3 
On 2024-02-04 16:19, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the vio_bus_type 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>

Applied to my for-next branch.

Thanks,
Andreas
diff mbox series

Patch

diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 4f57056ed463..5cad16d81e3f 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -151,7 +151,7 @@  static struct attribute *vio_dev_attrs[] = {
  };
 ATTRIBUTE_GROUPS(vio_dev);
 
-static struct bus_type vio_bus_type = {
+static const struct bus_type vio_bus_type = {
 	.name		= "vio",
 	.dev_groups	= vio_dev_groups,
 	.uevent         = vio_hotplug,