From: sukadev@us.ibm.com
To: Paul Menage <menage@google.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Andrew Morton <akpm@osdl.org>,
clg@fr.ibm.com, serue@us.ibm.com,
"David C. Hansen" <haveblue@us.ibm.com>,
Pavel Emelyanov <xemul@openvz.org>,
Containers <containers@lists.osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] clone64() and unshare64() system calls
Date: Thu, 10 Apr 2008 11:26:16 -0700 [thread overview]
Message-ID: <20080410182616.GF28477@us.ibm.com> (raw)
In-Reply-To: <6599ad830804091943j1f8a4500w5eda7774adfba69f@mail.gmail.com>
Paul Menage [menage@google.com] wrote:
| On Wed, Apr 9, 2008 at 7:38 PM, <sukadev@us.ibm.com> wrote:
| >
| > But as Jon Corbet pointed out in the the thread above, it looked like
| > adding a new system call has been the "traditional" way of solving this
| > in Linux so far and there has been no consensus on a newer approach.
| >
|
| I thought that the consensus was that adding a new system call was
| better than trying to force extensibility on to the existing
| non-extensible system call.
There were couple of objections to extensible system calls like
sys_indirect() and to Pavel's approach.
|
| But if we are adding a new system call, why not make the new one
| extensible to reduce the need for yet another new call in the future?
hypothetically, can we make a variant of clone() extensible to the point
of requiring a copy_from_user() ?
|
| Paul
next prev parent reply other threads:[~2008-04-10 18:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-09 22:26 [PATCH 0/3] clone64() and unshare64() system calls sukadev
2008-04-09 22:32 ` [PATCH 1/3] change clone_flags type to u64 sukadev
2008-04-10 8:25 ` Andi Kleen
2008-04-10 12:25 ` Cedric Le Goater
2008-04-10 12:52 ` Andi Kleen
2008-04-10 13:11 ` Kirill Korotaev
2008-04-10 13:23 ` Cedric Le Goater
2008-04-10 13:18 ` Cedric Le Goater
2008-04-10 17:14 ` Serge E. Hallyn
2008-04-10 22:13 ` Daniel Hokka Zakrisson
2008-04-10 22:49 ` Serge E. Hallyn
2008-04-11 8:45 ` Daniel Hokka Zakrisson
2008-04-09 22:34 ` [PATCH 2/3] add do_unshare() sukadev
2008-04-09 22:34 ` [PATCH 3/3] add the clone64() and unshare64() syscalls sukadev
2008-04-09 23:07 ` Jakub Jelinek
2008-04-10 2:15 ` sukadev
2008-04-10 3:40 ` H. Peter Anvin
2008-04-10 0:00 ` [PATCH 0/3] clone64() and unshare64() system calls H. Peter Anvin
2008-04-10 1:07 ` sukadev
2008-04-10 1:10 ` H. Peter Anvin
2008-04-10 2:38 ` sukadev
2008-04-10 2:43 ` Paul Menage
2008-04-10 18:26 ` sukadev [this message]
2008-04-10 18:31 ` H. Peter Anvin
2008-04-10 12:33 ` Cedric Le Goater
2008-04-10 16:00 ` H. Peter Anvin
2008-04-10 6:48 ` Cedric Le Goater
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