linux-kernel - Re: [PATCH v4 7/8] selftests/mm: refactor uffd_poll

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Date:   Mon, 10 Jul 2023 10:08:24 -0700
From:   Axel Rasmussen <axelrasmussen@...gle.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Brian Geffon <bgeffon@...gle.com>,
        Christian Brauner <brauner@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Gaosheng Cui <cuigaosheng1@...wei.com>,
        Huang Ying <ying.huang@...el.com>,
        Hugh Dickins <hughd@...gle.com>,
        James Houghton <jthoughton@...gle.com>,
        "Jan Alexander Steffens (heftig)" <heftig@...hlinux.org>,
        Jiaqi Yan <jiaqiyan@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        "Mike Rapoport (IBM)" <rppt@...nel.org>,
        Muchun Song <muchun.song@...ux.dev>,
        Nadav Amit <namit@...are.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        Ryan Roberts <ryan.roberts@....com>,
        Shuah Khan <shuah@...nel.org>,
        Suleiman Souhlal <suleiman@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        "T.J. Alumbaugh" <talumbau@...gle.com>,
        Yu Zhao <yuzhao@...gle.com>,
        ZhangPeng <zhangpeng362@...wei.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v4 7/8] selftests/mm: refactor uffd_poll_thread to allow
 custom fault handlers

On Sat, Jul 8, 2023 at 8:02 AM Peter Xu <peterx@...hat.com> wrote:
>
> On Fri, Jul 07, 2023 at 02:55:39PM -0700, Axel Rasmussen wrote:
> > Previously, we had "one fault handler to rule them all", which used
> > several branches to deal with all of the scenarios required by all of
> > the various tests.
> >
> > In upcoming patches, I plan to add a new test, which has its own
> > slightly different fault handling logic. Instead of continuing to add
> > cruft to the existing fault handler, let's allow tests to define custom
> > ones, separate from other tests.
> >
> > Signed-off-by: Axel Rasmussen <axelrasmussen@...gle.com>
>
> Acked-by: Peter Xu <peterx@...hat.com>
>
> PS: please remember to update manpage after it lands.  I still have a plan
> to update but not yet happening; if you happen to update before mine please
> feel free to update for whatever is missing.

Will do!

>
> Thanks!
>
> --
> Peter Xu
>