linux-kernel - Re: [PATCH 4/6] arch/sparc: Enable queued rwlocks for SPARC

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Date:   Fri, 19 May 2017 15:35:09 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     peterz@...radead.org
Cc:     babu.moger@...cle.com, mingo@...hat.com, arnd@...db.de,
        shannon.nelson@...cle.com, haakon.bugge@...cle.com,
        steven.sistare@...cle.com, vijay.ac.kumar@...cle.com,
        jane.chu@...cle.com, sparclinux@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 4/6] arch/sparc: Enable queued rwlocks for SPARC

From: Peter Zijlstra <peterz@...radead.org>
Date: Fri, 19 May 2017 21:31:26 +0200

> On Fri, May 19, 2017 at 03:15:53PM -0400, David Miller wrote:
>> However, I don't see what any of this has to do with the feedback
>> I was giving the patch author :-)
> 
> Uhm,... I think my morning brain read things like you having doubts
> about making it sparc64 only. But I could have easily misread things.
> Ignore my ramblings :-)

He was editing a sparc64-specific header, adding "queued locks" ifdefs,
which makes no sense if for SPARC64 the queued locks will always be
enabled.