Re: [PATCH] once: switch to new jump label API

From: Eric Biggers
Date: Sat Sep 16 2017 - 00:08:04 EST


On Tue, Aug 22, 2017 at 02:44:41PM -0400, Hannes Frederic Sowa wrote:
> Eric Biggers <ebiggers3@xxxxxxxxx> writes:
>
> > From: Eric Biggers <ebiggers@xxxxxxxxxx>
> >
> > Switch the DO_ONCE() macro from the deprecated jump label API to the new
> > one. The new one is more readable, and for DO_ONCE() it also makes the
> > generated code more icache-friendly: now the one-time initialization
> > code is placed out-of-line at the jump target, rather than at the inline
> > fallthrough case.
> >
> > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> Acked-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxxx
>
> Thanks!

Great! Who though is the maintainer for this code? It seems it was originally
taken by David Miller through the networking tree. David, are you taking
further patches to the "once" functions, or should I be trying to get this into
-mm, or somewhere else?

Eric