Date: Thu, 6 Jul 2017 09:26:16 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>, mingo@redhat.com,
        mcgrof@kernel.org, viro@zeniv.linux.org.uk, sfr@canb.auug.org.au,
        nicolas.dichtel@6wind.com, rmk+kernel@armlinux.org.uk,
        msalter@redhat.com, tklauser@distanz.ch, will.deacon@arm.com,
        james.hogan@imgtec.com, paul.gortmaker@windriver.com,
        linux@roeck-us.net, linux-kernel@vger.kernel.org,
        linux-arch@vger.kernel.org, albert@sifive.com,
        patches@groups.riscv.org
Subject: Re: [PATCH 2/9] RISC-V: Atomic and Locking Code
Message-ID: <20170706072616.h2rs7seogejfbrod@hirez.programming.kicks-ass.net>
References: <20170704195102.3974-1-palmer@dabbelt.com>
 <20170704195102.3974-3-palmer@dabbelt.com>
 <20170705084321.hqy4qsm45mv772k4@hirez.programming.kicks-ass.net>
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On Thu, Jul 06, 2017 at 07:08:33PM +0800, Boqun Feng wrote:
> On Wed, Jul 05, 2017 at 10:43:21AM +0200, Peter Zijlstra wrote:
> > On Tue, Jul 04, 2017 at 12:50:55PM -0700, Palmer Dabbelt wrote:
> > > +/*
> > > + * FIXME: I could only find documentation that atomic_{add,sub,inc,dec} are
> > > + * barrier-free.  I'm assuming that and/or/xor have the same constraints as the
> > > + * others.
> > > + */
> > 
> > Yes.. we have new documentation in the work to which I would post a link
> > but for some reason copy/paste stopped working again (Konsole does that
> > at times and is #$%#$%#4# annoying).
> > 
> > Ha, found it using google...
> > 
> >   https://marc.info/?l=linux-kernel&m=14972790112580
> > 
> 
> The link is broken, you miss a tailing 1 ;-)
> 
> 	https://marc.info/?l=linux-kernel&m=149727901125801
> 

Argh... thanks for fixing that!