* [PATCH] rpmsg: core: make rpmsg_bus const
@ 2024-02-04 20:32 Ricardo B. Marliere
2024-02-05 12:47 ` Greg Kroah-Hartman
2024-02-05 20:45 ` Mathieu Poirier
0 siblings, 2 replies; 3+ messages in thread
From: Ricardo B. Marliere @ 2024-02-04 20:32 UTC (permalink / raw)
To: Bjorn Andersson, Mathieu Poirier
Cc: linux-remoteproc, linux-kernel, Greg Kroah-Hartman,
Ricardo B. Marliere
Now that the driver core can properly handle constant struct bus_type,
move the rpmsg_bus 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/rpmsg/rpmsg_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 8abc7d022ff7..4295c01a2861 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -605,7 +605,7 @@ static void rpmsg_dev_remove(struct device *dev)
rpmsg_destroy_ept(rpdev->ept);
}
-static struct bus_type rpmsg_bus = {
+static const struct bus_type rpmsg_bus = {
.name = "rpmsg",
.match = rpmsg_dev_match,
.dev_groups = rpmsg_dev_groups,
---
base-commit: 80255b24efbe83a6a01600484b6959259a30ded5
change-id: 20240204-bus_cleanup-rpmsg-1a5f6ab69a24
Best regards,
--
Ricardo B. Marliere <ricardo@marliere.net>
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] rpmsg: core: make rpmsg_bus const
2024-02-04 20:32 [PATCH] rpmsg: core: make rpmsg_bus const Ricardo B. Marliere
@ 2024-02-05 12:47 ` Greg Kroah-Hartman
2024-02-05 20:45 ` Mathieu Poirier
1 sibling, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2024-02-05 12:47 UTC (permalink / raw)
To: Ricardo B. Marliere
Cc: Bjorn Andersson, Mathieu Poirier, linux-remoteproc, linux-kernel
On Sun, Feb 04, 2024 at 05:32:05PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the rpmsg_bus 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>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] rpmsg: core: make rpmsg_bus const
2024-02-04 20:32 [PATCH] rpmsg: core: make rpmsg_bus const Ricardo B. Marliere
2024-02-05 12:47 ` Greg Kroah-Hartman
@ 2024-02-05 20:45 ` Mathieu Poirier
1 sibling, 0 replies; 3+ messages in thread
From: Mathieu Poirier @ 2024-02-05 20:45 UTC (permalink / raw)
To: Ricardo B. Marliere
Cc: Bjorn Andersson, linux-remoteproc, linux-kernel,
Greg Kroah-Hartman
On Sun, Feb 04, 2024 at 05:32:05PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the rpmsg_bus 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/rpmsg/rpmsg_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
> index 8abc7d022ff7..4295c01a2861 100644
> --- a/drivers/rpmsg/rpmsg_core.c
> +++ b/drivers/rpmsg/rpmsg_core.c
> @@ -605,7 +605,7 @@ static void rpmsg_dev_remove(struct device *dev)
> rpmsg_destroy_ept(rpdev->ept);
> }
>
> -static struct bus_type rpmsg_bus = {
> +static const struct bus_type rpmsg_bus = {
> .name = "rpmsg",
> .match = rpmsg_dev_match,
> .dev_groups = rpmsg_dev_groups,
>
Applied.
Thanks,
Mathieu
> ---
> base-commit: 80255b24efbe83a6a01600484b6959259a30ded5
> change-id: 20240204-bus_cleanup-rpmsg-1a5f6ab69a24
>
> Best regards,
> --
> Ricardo B. Marliere <ricardo@marliere.net>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2024-02-04 20:32 [PATCH] rpmsg: core: make rpmsg_bus const Ricardo B. Marliere
2024-02-05 12:47 ` Greg Kroah-Hartman
2024-02-05 20:45 ` Mathieu Poirier
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