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From:   Nick Desaulniers <ndesaulniers@google.com>
Date:   Tue, 21 Jun 2022 15:05:12 -0700
Message-ID: <CAKwvOdkrZbRTfrK_cFRseoONGi7qQ-_4vB=Zm9KH3Bb2KZ5tww@mail.gmail.com>
Subject: Re: Dangerous addr to ctrl dependency transformation in fs/nfs/delegation.c::nfs_server_return_marked_delegations()?
To:     =?UTF-8?Q?Paul_Heidekr=C3=BCger?= <paul.heidekrueger@in.tum.de>
Cc:     "Jose E. Marchesi" <jemarch@gnu.org>,
        Alan Stern <stern@rowland.harvard.edu>,
        Andrea Parri <parri.andrea@gmail.com>,
        Will Deacon <will@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Boqun Feng <boqun.feng@gmail.com>,
        Nicholas Piggin <npiggin@gmail.com>,
        David Howells <dhowells@redhat.com>,
        Jade Alglave <j.alglave@ucl.ac.uk>,
        Luc Maranget <luc.maranget@inria.fr>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Akira Yokosawa <akiyks@gmail.com>,
        Daniel Lustig <dlustig@nvidia.com>,
        Joel Fernandes <joel@joelfernandes.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        clang-built-linux <llvm@lists.linux.dev>,
        Marco Elver <elver@google.com>,
        Charalampos Mainas <charalampos.mainas@gmail.com>,
        Pramod Bhatotia <pramod.bhatotia@in.tum.de>
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On Tue, May 17, 2022 at 3:29 PM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Fri, Apr 22, 2022 at 3:39 AM Paul Heidekr=C3=BCger
> <paul.heidekrueger@in.tum.de> wrote:
> >
> > On Thu, Apr 14, 2022 at 02:21:25PM -0700, Nick Desaulniers wrote:
> > > On Thu, Apr 7, 2022 at 8:22 AM Paul Heidekr=C3=BCger
> > > <paul.heidekrueger@in.tum.de> wrote:
> > > >
> > > > Hi all,
> > > >
> > > > work on my dependency checker tool is progressing nicely, and it is
> > > > flagging, what I believe is, a harmful addr to ctrl dependency
> > > > transformation. For context, see [1] and [2]. I'm using the Clang
> > > > compiler.
> > > > [1]: https://linuxplumbersconf.org/event/7/contributions/821/attach=
ments/598/1075/LPC_2020_--_Dependency_ordering.pdf
> > > > [2]: https://lore.kernel.org/llvm/YXknxGFjvaB46d%2Fp@Pauls-MacBook-=
Pro/T/#u
> > >
> > > Hi Paul,
> > > Thanks for the report and your (and your team's) work on this tool.
> > > Orthogonal to your report, Jose (cc'ed) and I are currently in the
> > > planning process to put together a Kernel+Toolchain microconference
> > > track at Linux Plumbers Conference [0] this year (Sept 12-14) in
> > > Dublin, Ireland.  Would you or someone from your group be able and
> > > interested in presenting more information about your work to an
> > > audience of kernel and toolchain developers at such an event?
> > >
> > > Would others be interested in such a topic? (What do they say in
> > > Starship Troopers...?...Would you like to know more?)
> > >
> > > [0] https://lpc.events/event/16/
> > > --
> > > Thanks,
> > > ~Nick Desaulniers
> >
> > Hi Nick and Jose,
> >
> > Many thanks for inviting us! I would love to do a talk at LPC! Hopefull=
y
> > in person too.
> >
> > Given that there have been several talks around this topic at LPC
> > already, it seems very fitting, and we'll hopefully have more to share
> > by then. Actually we have more to share already :-)
> >
> > https://lore.kernel.org/all/YmKE%2FXgmRnGKrBbB@Pauls-MacBook-Pro.local/=
T/#u
> >
> > I assume we will have to submit an abstract soon?
>
> Yes, if you go to: https://lpc.events/event/16/abstracts/
>
> click "Submit new abstract" in the bottom right.
>
> Under the "Track" dropdown, please select "Toolchains Track."

Hi Paul, we'll need all proposals soon.
If you're still considering attending Linux Plumbers conf, please
submit a proposal:
https://lpc.events/event/16/abstracts/
Please make sure to select "Toolchains Track" as the "Track" after
clicking on "Submit new abstract."

> --
> Thanks,
> ~Nick Desaulniers


--=20
Thanks,
~Nick Desaulniers