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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Fri, 10 Jul 2020 08:25:35 -0700
Message-ID: <CAHk-=wjGjwtgYJvLOd5aO2dWyPsC-6ED2Hthoxm1Eerf-Ahd-w@mail.gmail.com>
Subject: Re: clean up address limit helpers
To:     Christoph Hellwig <hch@lst.de>
Cc:     Nick Hu <nickhu@andestech.com>, Greentime Hu <green.hu@gmail.com>,
        Vincent Chen <deanbo422@gmail.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-riscv@lists.infradead.org,
        linux-arch <linux-arch@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Fri, Jul 10, 2020 at 6:57 AM Christoph Hellwig <hch@lst.de> wrote:
>
> in preparation for eventually phasing out direct use of set_fs(), this
> series removes the segment_eq() arch helper that is only used to
> implement or duplicate the uaccess_kernel() API, and then adds
> descriptive helpers to force the kernel address limit.

Ack. All the patches looked like no-ops to me, but with better naming
and clarity.

           Linus