genetlink: Remove smp_read_barrier_depends() from comment

Now that smp_read_barrier_depends() has been de-emphasized, the less
said about it, the better.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Kate Stewart <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Philippe Ombredanne <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
1 file changed