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Date:   Wed, 30 Sep 2020 09:11:28 -0600
From:   Tycho Andersen <tycho@tycho.pizza>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc:     Sargun Dhillon <sargun@sargun.me>,
        Kees Cook <keescook@chromium.org>,
        Christian Brauner <christian@brauner.io>,
        linux-man <linux-man@vger.kernel.org>,
        lkml <linux-kernel@vger.kernel.org>,
        Aleksa Sarai <cyphar@cyphar.com>, Jann Horn <jannh@google.com>,
        Alexei Starovoitov <ast@kernel.org>, wad@chromium.org,
        bpf@vger.kernel.org, Song Liu <songliubraving@fb.com>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andy Lutomirski <luto@amacapital.net>,
        Linux Containers <containers@lists.linux-foundation.org>,
        Giuseppe Scrivano <gscrivan@redhat.com>,
        Robert Sesek <rsesek@google.com>
Subject: Re: For review: seccomp_user_notif(2) manual page
Message-ID: <20200930151128.GD284424@cisco>
References: <45f07f17-18b6-d187-0914-6f341fe90857@gmail.com>
 <20200930150330.GC284424@cisco>
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On Wed, Sep 30, 2020 at 09:03:36AM -0600, Tycho Andersen wrote:
> On Wed, Sep 30, 2020 at 01:07:38PM +0200, Michael Kerrisk (man-pages) wrote:
> >        ┌─────────────────────────────────────────────────────┐
> >        │FIXME                                                │
> >        ├─────────────────────────────────────────────────────┤
> >        │Interestingly, after the event  had  been  received, │
> >        │the  file descriptor indicates as writable (verified │
> >        │from the source code and by experiment). How is this │
> >        │useful?                                              │
> 
> You're saying it should just do EPOLLOUT and not EPOLLWRNORM? Seems
> reasonable.

If we make this change, I suppose we should also drop EPOLLRDNORM from
things which have not been received yet, since they're not really
readable.

Tycho