checkpatch: Deprecate rcu_read_{,un}lock_trace()

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@kernel.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c0250244cf7a3cb5e289b04fa4a9f644692dc278..362a8d1cd3278325bf5f8e6097f953848ab921ca 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -863,7 +863,9 @@ our %deprecated_apis = (
        #These should be enough to drive away new IDR users
        "DEFINE_IDR"                            => "DEFINE_XARRAY",
        "idr_init"                              => "xa_init",
-       "idr_init_base"                         => "xa_init_flags"
+       "idr_init_base"                         => "xa_init_flags",
+       "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