From: Pavel Machek <pavel@ucw.cz>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>,
Linux Containers <containers@lists.osdl.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [PATCH 1/2] Extend sys_clone and sys_unshare system calls API
Date: Thu, 24 Jan 2008 18:37:08 +0100 [thread overview]
Message-ID: <20080124173708.GA4473@elf.ucw.cz> (raw)
In-Reply-To: <1201195474.8329.38.camel@nimitz.home.sr71.net>
On Thu 2008-01-24 09:24:34, Dave Hansen wrote:
> On Thu, 2008-01-24 at 18:09 +0100, Cedric Le Goater wrote:
> > yes but we would need more something like :
> >
> > long sys_clone64(unsigned long flags_high, unsigned long flag_low)
> >
> > if we want the syscall to be supported on 32bit arch. clone2 is also
> > being used on ia64 already.
>
> Did we decide not to do something with a variable number of arguments?
>
> sys_clonefoo(unsigned long *flags, int len);
That is evil, because that means strace can no longer reliably print
flags being used (for example).
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-01-24 17:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-16 12:58 [PATCH 1/2] Extend sys_clone and sys_unshare system calls API Pavel Emelyanov
2008-01-16 13:00 ` [PATCH 2/2] Propagate the long_clone_arg up to the create_new_namespaces Pavel Emelyanov
2008-01-16 14:23 ` [PATCH 1/2] Extend sys_clone and sys_unshare system calls API Jonathan Corbet
2008-01-16 15:05 ` Pavel Emelyanov
2008-01-17 3:48 ` Al Viro
2008-01-17 9:28 ` Cedric Le Goater
2008-01-17 15:02 ` Extending syscalls (was: [PATCH 1/2] Extend sys_clone and sys_unshare system calls API) Jonathan Corbet
2008-01-17 19:26 ` Extending syscalls H. Peter Anvin
2008-01-23 20:59 ` [PATCH 1/2] Extend sys_clone and sys_unshare system calls API Pavel Machek
2008-01-24 17:09 ` Cedric Le Goater
2008-01-24 17:24 ` Dave Hansen
2008-01-24 17:37 ` Pavel Machek [this message]
2008-01-24 17:46 ` Dave Hansen
2008-01-24 17:50 ` Pavel Machek
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