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

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Date:   Mon, 9 Oct 2017 13:27:08 -0700
From:   Eric Biggers <ebiggers3@...il.com>
To:     Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jason Baron <jbaron@...mai.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH] once: switch to new jump label API

On Fri, Sep 15, 2017 at 09:07:51PM -0700, Eric Biggers wrote:
> On Tue, Aug 22, 2017 at 02:44:41PM -0400, Hannes Frederic Sowa wrote:
> > Eric Biggers <ebiggers3@...il.com> writes:
> > 
> > > From: Eric Biggers <ebiggers@...gle.com>
> > >
> > > 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@...gle.com>
> > 
> > Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org.
> > 
> > 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

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