Re: Linux Plumbers Conf 2021

From: Nick Desaulniers <ndesaulniers@google.com>
To: Will Deacon <will@kernel.org>
Cc: "Jose E. Marchesi" <jemarch@gnu.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ard Biesheuvel <ardb@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-toolchains@vger.kernel.org
Subject: Re: Linux Plumbers Conf 2021
Date: Wed, 16 Jun 2021 16:01:15 -0700	[thread overview]
Message-ID: <CAKwvOdmMNbKyrnRH79p77NgecAZNLf007i5ZSUb_j7waOZG9mQ@mail.gmail.com> (raw)
In-Reply-To: <20210518121447.GB7914@willie-the-truck>

+ linux-toolchains

On Tue, May 18, 2021 at 5:14 AM Will Deacon <will@kernel.org> wrote:
>
> Hi Nick,
>
> [+cc relevant folks]
>
> (sorry this is so late)
>
> On Tue, May 04, 2021 at 10:38:09AM -0700, Nick Desaulniers wrote:
> > This year the Linux Plumbers Conference (https://linuxplumbersconf.org) will
> > be fully virtual, and will happen from September 20-24th 2021.
> >
> > As part of the event, we are organizing a `Toolchains and Kernel
> > Micro-conference' devoted to discuss specific topics involving kernel and
> > toolchain.  It will cover both the GNU Toolchain and LLVM.
> >
> > As in previous years, the emphasis will be in discussing specific topics that
> > require collaboration/interaction between the kernel and the toolchain chaps.
> > Examples of topics are wrapping of syscalls, specific features in the
> > compiler/linker/etc that are used by the kernel, desired optimizations,
> > features to alleviate security concerns on the kernel side, and the like.
> >
> > In order to get the Micro-Conference accepted we need to provide a list of
> > both topics and prospective attendants, so that's why I am reaching out to you
> > asking for:
> >
> > 1) Topics your project may want to discuss with the kernel hackers, during the
> >    event.
> >
> > 2) Whether you are willing to contribute and/or participate in the
> >    micro-conference.
> >
> > Please let us know @ jemarch@gnu.org & ndesaulniers@google.com.
>
> If it's not too late, I'd definitely be interested in a discussion around
> objtool support for arm64. Specifically, I would very much like us _not_
> to have a hard dependency on objtool and instead treat it as a binary
> linter of sorts. However, this likely requires help from the toolchain
> where some of the jobs which are performed by objtool on x86 today now
> need to be done by the compiler/linker for arm64.
>
> I don't have a good handle on exactly what is needed and whether there's
> any appetite from the toolchain developers to implement this, so it would
> be very helpful to kick that discussion off.
>
> Will


-- 
Thanks,
~Nick Desaulniers