From: Linus Torvalds <torvalds@linux-foundation.org>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: Oleg Nesterov <oleg@redhat.com>,
Lennart Poettering <mzxreary@0pointer.de>,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-man@vger.kernel.org, roland@hack.frob.com
Subject: Re: + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision .patch added to -mm tree
Date: Thu, 18 Aug 2011 14:23:38 -0700 [thread overview]
Message-ID: <CA+55aFxGDbNOhNQJe_LpUMcJCGcW8qFFWzC9H0_KW26Xzb0cXw@mail.gmail.com> (raw)
In-Reply-To: <1313691091.1107.9.camel@mop>
On Thu, Aug 18, 2011 at 11:11 AM, Kay Sievers <kay.sievers@vrfy.org> wrote:
>
> How about this? It:
> - uses task->real_parent to walk up the chain of parents.
If I read this right, it does that for all the normal cases too.
Disgusting. Slowing down the *usual* UNIX case for your new made-up
case that nobody actually uses is not acceptable.
So NAK. We're not slowing down normal code for some new feature that
realistically will never be used by any normal applications.
Linus
WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
To: Kay Sievers <kay.sievers-tD+1rO4QERM@public.gmane.org>
Cc: Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Lennart Poettering
<mzxreary-uLTowLwuiw4b1SvskN2V4Q@public.gmane.org>,
akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
roland-/Z5OmTQCD9xF6kxbq+BtvQ@public.gmane.org
Subject: Re: + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision .patch added to -mm tree
Date: Thu, 18 Aug 2011 14:23:38 -0700 [thread overview]
Message-ID: <CA+55aFxGDbNOhNQJe_LpUMcJCGcW8qFFWzC9H0_KW26Xzb0cXw@mail.gmail.com> (raw)
In-Reply-To: <1313691091.1107.9.camel@mop>
On Thu, Aug 18, 2011 at 11:11 AM, Kay Sievers <kay.sievers-tD+1rO4QERM@public.gmane.org> wrote:
>
> How about this? It:
> - uses task->real_parent to walk up the chain of parents.
If I read this right, it does that for all the normal cases too.
Disgusting. Slowing down the *usual* UNIX case for your new made-up
case that nobody actually uses is not acceptable.
So NAK. We're not slowing down normal code for some new feature that
realistically will never be used by any normal applications.
Linus
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next prev parent reply other threads:[~2011-08-18 21:24 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-16 20:11 + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision.patch added to -mm tree akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b
2011-08-17 11:55 ` + prctl-add-pr_setget_child_reaper-to-allow-simple-process-supervision .patch " Oleg Nesterov
2011-08-17 11:55 ` Oleg Nesterov
2011-08-17 13:05 ` Oleg Nesterov
2011-08-17 13:05 ` Oleg Nesterov
2011-08-17 13:21 ` Kay Sievers
2011-08-17 13:21 ` Kay Sievers
2011-08-17 13:37 ` Alan Cox
2011-08-17 13:37 ` Alan Cox
2011-08-23 0:30 ` Colin Walters
2011-08-23 0:30 ` Colin Walters
2011-08-17 14:16 ` Oleg Nesterov
2011-08-17 14:16 ` Oleg Nesterov
2011-08-17 16:03 ` Denys Vlasenko
2011-08-17 16:03 ` Denys Vlasenko
2011-08-17 13:13 ` Kay Sievers
2011-08-17 13:45 ` Oleg Nesterov
2011-08-17 13:45 ` Oleg Nesterov
2011-08-17 15:45 ` Kay Sievers
2011-08-17 15:45 ` Kay Sievers
2011-08-17 15:53 ` Alan Cox
2011-08-17 15:53 ` Alan Cox
2011-08-17 16:20 ` Oleg Nesterov
2011-08-17 16:20 ` Oleg Nesterov
2011-08-17 16:47 ` Kay Sievers
2011-08-17 16:47 ` Kay Sievers
2011-08-17 18:57 ` Oleg Nesterov
2011-08-17 18:57 ` Oleg Nesterov
2011-08-17 20:56 ` Kay Sievers
2011-08-17 20:56 ` Kay Sievers
2011-08-18 12:43 ` Lennart Poettering
2011-08-18 12:43 ` Lennart Poettering
2011-08-18 14:25 ` Oleg Nesterov
2011-08-18 14:25 ` Oleg Nesterov
2011-08-18 18:11 ` Kay Sievers
2011-08-18 18:48 ` Oleg Nesterov
2011-08-18 18:48 ` Oleg Nesterov
2011-08-19 1:31 ` Kay Sievers
2011-08-19 1:31 ` Kay Sievers
2011-08-19 12:25 ` Oleg Nesterov
2011-08-19 12:25 ` Oleg Nesterov
2011-08-19 12:44 ` Kay Sievers
2011-08-19 12:44 ` Kay Sievers
2011-08-19 13:13 ` Oleg Nesterov
2011-08-19 13:13 ` Oleg Nesterov
2011-08-19 14:20 ` Kay Sievers
2011-08-19 14:58 ` Oleg Nesterov
2011-08-19 14:58 ` Oleg Nesterov
2011-08-20 15:33 ` Oleg Nesterov
2011-08-20 15:33 ` Oleg Nesterov
2011-08-21 18:33 ` Kay Sievers
2011-08-22 11:14 ` Oleg Nesterov
2011-08-22 11:14 ` Oleg Nesterov
2011-08-22 23:48 ` Kay Sievers
2011-08-22 23:48 ` Kay Sievers
2011-08-18 21:23 ` Linus Torvalds [this message]
2011-08-18 21:23 ` Linus Torvalds
2011-08-18 21:55 ` Kay Sievers
2011-08-18 21:55 ` Kay Sievers
2011-08-18 22:22 ` Linus Torvalds
2011-08-18 22:22 ` Linus Torvalds
2011-08-19 0:48 ` Kay Sievers
2011-08-19 0:48 ` Kay Sievers
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