linux-kernel - Re: [PATCH v2 5/5] kcsan: Introduce ASSERT_EXCLUSIVE

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Message-ID: <20200213063525.GU2935@paulmck-ThinkPad-P72>
Date:   Wed, 12 Feb 2020 22:35:25 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Qian Cai <cai@....pw>
Cc:     Marco Elver <elver@...gle.com>, John Hubbard <jhubbard@...dia.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        kasan-dev <kasan-dev@...glegroups.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH v2 5/5] kcsan: Introduce ASSERT_EXCLUSIVE_BITS(var, mask)

On Wed, Feb 12, 2020 at 07:48:15PM -0500, Qian Cai wrote:
> 
> 
> > On Feb 12, 2020, at 4:40 PM, Paul E. McKenney <paulmck@...nel.org> wrote:
> > 
> > On Wed, Feb 12, 2020 at 07:30:16AM -0500, Qian Cai wrote:
> >> 
> >> 
> >>> On Feb 12, 2020, at 5:57 AM, Marco Elver <elver@...gle.com> wrote:
> >>> 
> >>> KCSAN is currently in -rcu (kcsan branch has the latest version),
> >>> -tip, and -next.
> >> 
> >> It would like be nice to at least have this patchset can be applied against the linux-next, so I can try it a spin.
> >> 
> >> Maybe a better question to Paul if he could push all the latest kcsan code base to linux-next soon since we are now past the merging window. I also noticed some data races in rcu but only found out some of them had already been fixed in rcu tree but not in linux-next.
> > 
> > I have pushed all that I have queued other than the last set of five,
> > which I will do tomorrow (Prague time) if testing goes well.
> > 
> > Could you please check the -rcu "dev" branch to see if I am missing any
> > of the KCSAN patches?
> 
> Nope. It looks good to me.

Thank you for checking!

							Thanx, Paul