From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v4 00/11] Rework READ_ONCE() to improve codegen
Date: Wed, 22 Apr 2020 13:37:21 +0200
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To: Will Deacon <will@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-arch <linux-arch@vger.kernel.org>, Android Kernel Team <kernel-team@android.com>, Mark Rutland <mark.rutland@arm.com>, Michael Ellerman <mpe@ellerman.id.au>, Segher Boessenkool <segher@kernel.crashing.org>, Christian Borntraeger <borntraeger@de.ibm.com>, Luc Van Oostenryck <luc.vanoostenryck@gmail.com>, Arnd Bergmann <arnd@arndb.de>, Peter Oberparleiter <oberpar@linux.ibm.com>, Masahiro Yamada <masahiroy@kernel.org>, Nick Desaulniers <ndesaulniers@google.com>

On Wed, Apr 22, 2020 at 09:18:39AM +0100, Will Deacon wrote:
> On Tue, Apr 21, 2020 at 11:42:56AM -0700, Linus Torvalds wrote:
> > On Tue, Apr 21, 2020 at 8:15 AM Will Deacon <will@kernel.org> wrote:
> > >
> > > It's me again. This is version four of the READ_ONCE() codegen improvement
> > > patches [...]
> > 
> > Let's just plan on biting the bullet and do this for 5.8. I'm assuming
> > that I'll juet get a pull request from you?
> 
> Sure thing, thanks. I'll get it into -next along with the arm64 bits for
> 5.8, but I'll send it as a separate pull when the time comes. I'll also
> include the sparc32 changes because otherwise the build falls apart and
> we'll get an army of angry robots yelling at us (they seem to form the
> majority of the active sparc32 user base afaict).

So I'm obviously all for these patches; do note however that it collides
most mighty with the KCSAN stuff, which I believe is still pending.