Re: [PATCH 20/34] checkpatch: Deprecate rcu_read_{,un}lock_trace()

[Joe Perches]

On Tue, 2025-09-23 at 07:20 -0700, Paul E. McKenney wrote:
> Uses of rcu_read_lock_trace() and rcu_read_unlock_trace()
> are better served by the new rcu_read_lock_tasks_trace() and
> rcu_read_unlock_tasks_trace() APIs.  Therefore, mark the old APIs as
> deprecated.
> 
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>

Acked-by: Joe Perches <joe@xxxxxxxxxxx>

> Cc: Andy Whitcroft <apw@xxxxxxxxxxxxx>
> Cc: Joe Perches <joe@xxxxxxxxxxx>
> Cc: Dwaipayan Ray <dwaipayanray1@xxxxxxxxx>
> Cc: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
> Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>
> Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: <bpf@xxxxxxxxxxxxxxx>
> ---
>  scripts/checkpatch.pl | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index e722dd6fa8ef3d..3bb7d35a5cfcba 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -860,6 +860,8 @@ our %deprecated_apis = (
>  	"kunmap"				=> "kunmap_local",
>  	"kmap_atomic"				=> "kmap_local_page",
>  	"kunmap_atomic"				=> "kunmap_local",
> +	"rcu_read_lock_trace"			=> "rcu_read_lock_tasks_trace",
> +	"rcu_read_unlock_trace"			=> "rcu_read_unlock_tasks_trace",
>  );
>  
>  #Create a search pattern for all these strings to speed up a loop below