linux-kernel - Re: Confused about hlist_unhashed

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Message-ID: <CANn89iJzzws6MbbwuwXs+GPHAe3X-jB=JnKLh_6bX76keoKLwA@mail.gmail.com>
Date:   Fri, 31 Jan 2020 13:04:37 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Marco Elver <elver@...gle.com>
Subject: Re: Confused about hlist_unhashed_lockless()

On Fri, Jan 31, 2020 at 12:53 PM Paul E. McKenney <paulmck@...nel.org> wrote:
>
> On Fri, Jan 31, 2020 at 10:52:46AM -0800, Eric Dumazet wrote:
> > On Fri, Jan 31, 2020 at 10:48 AM Eric Dumazet <edumazet@...gle.com> wrote:
> > >
> >
> > > This is nice, now with have data_race()
> > >
> > > Remember these patches were sent 2 months ago, at a time we were
> > > trying to sort out things.
> > >
> > > data_race() was merged a few days ago.
> >
> > Well, actually data_race() is not there yet anyway.
> >
> > Is it really scheduled for 5.7 kernel ?
>
> Right now, yes.  Would it make sense to separate it out and push it
> into the current merge window?


That would be very nice, because we could start using it before KCSAN is merged.