linux-kernel - Re: [PATCHv3 08/12] atomics: switch to generated fallbacks

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Message-ID: <20180706055115.we4yegemiiqe4zdm@salmiak>
Date:   Fri, 6 Jul 2018 06:51:16 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        will.deacon@....com, andy.shevchenko@...il.com, arnd@...db.de,
        aryabinin@...tuozzo.com, boqun.feng@...il.com,
        catalin.marinas@....com, dvyukov@...gle.com, glider@...gle.com,
        hpa@...or.com, linuxdrivers@...otech.com, mingo@...nel.org,
        mingo@...hat.com, parri.andrea@...il.com, peter@...leysoftware.com,
        tglx@...utronix.de
Subject: Re: [PATCHv3 08/12] atomics: switch to generated fallbacks

On Thu, Jul 05, 2018 at 07:23:06PM +0200, Peter Zijlstra wrote:
> On Thu, Jul 05, 2018 at 05:40:49PM +0100, Mark Rutland wrote:
> 
> > * The fallbacks are not expected to change very often, and are not
> >   affected by machine details or configuration options, so regenerating
> >   them for *every* build is somewhat wasteful.
> 
> Except of course, your last patch in this series now does exactly that
> :-)

Second-last, but agreed. ;)

I'll reword this to:

* The fallbacks are not affected by machine details or configuration options,
  so it is not necessary to regenerate them to take these into account.

Thanks,
Mark.