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Date:   Sun, 24 Mar 2019 09:44:04 -0500
From:   "Serge E. Hallyn" <serge@hallyn.com>
To:     Daniel Colascione <dancol@google.com>
Cc:     Christian Brauner <christian@brauner.io>,
        Joel Fernandes <joel@joelfernandes.org>,
        Suren Baghdasaryan <surenb@google.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Sultan Alsawaf <sultan@kerneltoast.com>,
        Tim Murray <timmurray@google.com>,
        Michal Hocko <mhocko@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Arve =?iso-8859-1?B?SGr4bm5lduVn?= <arve@android.com>,
        Todd Kjos <tkjos@android.com>,
        Martijn Coenen <maco@android.com>,
        Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        LKML <linux-kernel@vger.kernel.org>,
        "open list:ANDROID DRIVERS" <devel@driverdev.osuosl.org>,
        linux-mm <linux-mm@kvack.org>,
        kernel-team <kernel-team@android.com>,
        Oleg Nesterov <oleg@redhat.com>,
        Andy Lutomirski <luto@amacapital.net>,
        "Serge E. Hallyn" <serge@hallyn.com>,
        Kees Cook <keescook@chromium.org>
Subject: Re: pidfd design
Message-ID: <20190324144404.GA32603@mail.hallyn.com>
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On Wed, Mar 20, 2019 at 12:29:31PM -0700, Daniel Colascione wrote:
> On Wed, Mar 20, 2019 at 11:52 AM Christian Brauner <christian@brauner.io> wrote:
> > I really want to see Joel's pidfd_wait() patchset and have more people
> > review the actual code.
> 
> Sure. But it's also unpleasant to have people write code and then have
> to throw it away due to guessing incorrectly about unclear
> requirements.

No, it is not.  It is not unpleasant.  And it is useful.  It is the best way to
identify and resolve those incorrect guesses and unclear requirements.