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List: linux-kernel
Subject: Re: [PATCH v3] tty: tty_io: remove hung_up_tty_fops
From: Linus Torvalds <torvalds () linux-foundation ! org>
Date: 2024-04-28 18:50:14
Message-ID: CAHk-=wj6HmDetTDhNNUNcAXZzmCv==oHk22_kVW4znfO-HuMnA () mail ! gmail ! com
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On Sun, 28 Apr 2024 at 03:20, Tetsuo Handa
<penguin-kernel@i-love.sakura.ne.jp> wrote:
>
>
> If we keep the current model, WRITE_ONCE() is not sufficient.
>
> My understanding is that KCSAN's report like
I find it obnoxious that these are NOT REAL PROBLEMS.
It's KCSAN that is broken and doesn't allow us to just tell it to
sanely ignore things.
I don't want to add stupid and pointless annotations for a broken tooling.
Can you instead just ask the KCSAN people to have some mode where we
can annotate a pointer as a "use one or the other", and just shut that
thing up that way?
Because no, we're not adding some idiotic "f_op()" wrapper just to
shut KCSAN up about a non-issue.
Linus
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