linux-kernel - Re: [git pull] vfs.git regression fix Re: Regression related to ipc shmctl compat

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Message-ID: <CA+55aFwdkVYsbM86Tq4niAkvZwe8zn2bCNbC6fN=RgvwcV_rwQ@mail.gmail.com>
Date:   Mon, 25 Sep 2017 19:03:16 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Kyle Huey <me@...ehuey.com>,
        open list <linux-kernel@...r.kernel.org>,
        "Robert O'Callahan" <robert@...llahan.org>
Subject: Re: [git pull] vfs.git regression fix Re: Regression related to ipc
 shmctl compat

On Mon, Sep 25, 2017 at 7:00 PM, Al Viro <viro@...iv.linux.org.uk> wrote:
>
> FWIW, __percpu and __rcu annotations are messy as hell.  Never got around
> to sorting down the infrastructure annotations for that bunch, and I'm
> not entirely sure that they (especially __rcu) are a good match for
> __address_space__(()).

I agree. It might be better to just remove the address space logic,
because afaik it never worked for them.

                   Linus