linux-kernel - Re: [PATCH v2 07/12] parisc/percpu: Work around the lack of __SIZEOF_INT128_

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Message-ID: <CAHk-=wj7K3Q9WbBtQHiOXKc04SRjeOF+TRopkwVoQh_CFU+kvg@mail.gmail.com>
Date:   Fri, 2 Jun 2023 12:09:11 -0400
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Helge Deller <deller@....de>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Jonathan Corbet <corbet@....net>,
        Will Deacon <will@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>, dennis@...nel.org,
        Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
        Heiko Carstens <hca@...ux.ibm.com>, gor@...ux.ibm.com,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        borntraeger@...ux.ibm.com, Sven Schnelle <svens@...ux.ibm.com>,
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        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
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        Pekka Enberg <penberg@...nel.org>,
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        Joonsoo Kim <iamjoonsoo.kim@....com>,
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        John David Anglin <dave.anglin@...l.net>,
        Sam James <sam@...too.org>
Subject: Re: [PATCH v2 07/12] parisc/percpu: Work around the lack of __SIZEOF_INT128__

On Fri, Jun 2, 2023 at 10:40 AM Peter Zijlstra <peterz@...radead.org> wrote:
>
> Something like so then?

Ack. I think it would be much cleaner if we would have it as part of
the Kconfig file and architectures could just override some
GCC_MIN_VERSION value, but that's not the universe we currently have,
so your patch looks like the best thing to do.

              Linus