Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH 0/9] Refactoring exit
To:     Al Viro <viro@zeniv.linux.org.uk>,
        "Eric W. Biederman" <ebiederm@xmission.com>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        Jens Axboe <axboe@kernel.dk>, Oleg Nesterov <oleg@redhat.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Richard Henderson <rth@twiddle.net>,
        Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
        Matt Turner <mattst88@gmail.com>,
        alpha <linux-alpha@vger.kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        linux-m68k <linux-m68k@lists.linux-m68k.org>,
        Arnd Bergmann <arnd@kernel.org>, Tejun Heo <tj@kernel.org>,
        Kees Cook <keescook@chromium.org>
References: <YNCaMDQVYB04bk3j@zeniv-ca.linux.org.uk>
 <YNDhdb7XNQE6zQzL@zeniv-ca.linux.org.uk>
 <CAHk-=whAsWXcJkpMM8ji77DkYkeJAT4Cj98WBX-S6=GnMQwhzg@mail.gmail.com>
 <87a6njf0ia.fsf@disp2133>
 <CAHk-=wh4_iMRmWcao6a8kCvR0Hhdrz+M9L+q4Bfcwx9E9D0huw@mail.gmail.com>
 <87tulpbp19.fsf@disp2133>
 <CAHk-=wi_kQAff1yx2ufGRo2zApkvqU8VGn7kgPT-Kv71FTs=AA@mail.gmail.com>
 <87zgvgabw1.fsf@disp2133> <875yy3850g.fsf_-_@disp2133>
 <YNULA+Ff+eB66bcP@zeniv-ca.linux.org.uk>
 <YNj4DItToR8FphxC@zeniv-ca.linux.org.uk>
From:   Michael Schmitz <schmitzmic@gmail.com>
Message-ID: <6e283d24-7121-ae7c-d5ad-558f85858a09@gmail.com>
Date:   Mon, 28 Jun 2021 10:59:51 +1200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.8.1
MIME-Version: 1.0
In-Reply-To: <YNj4DItToR8FphxC@zeniv-ca.linux.org.uk>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Content-Language: en-US
Precedence: bulk

On 28/06/21 10:13 am, Al Viro wrote:

> On Thu, Jun 24, 2021 at 10:45:23PM +0000, Al Viro wrote:
>
>> 13) there's bdflush(1, whatever), which is equivalent to exit(0).
>> IMO it's long past the time to simply remove the sucker.
> Incidentally, calling that from ptraced process on alpha leads to
> the same headache for tracer.  _If_ we leave it around, this is
> another candidate for "hit yourself with that special signal" -
> both alpha and m68k have that syscall, and IMO adding an asm
> wrapper for that one is over the top.
>
> Said that, we really ought to bury that thing:
>
> commit 2f268ee88abb33968501a44368db55c63adaad40
> Author: Andrew Morton <akpm@digeo.com>
> Date:   Sat Dec 14 03:16:29 2002 -0800
>
>      [PATCH] deprecate use of bdflush()
> 	
>      Patch from Robert Love <rml@tech9.net>
> 		
>      We can never get rid of it if we do not deprecate it - so do so and
>      print a stern warning to those who still run bdflush daemons.
>
> Deprecated for 18.5 years by now - I seriously suspect that we have
> some contributors younger than that...

Haven't found that warning in over 7 years' worth of console logs, and 
I'm a good candidate for running the oldest userland in existence for m68k.

Time to let it go.

Cheers,

     Michael