linux-kernel - Re: [PATCH 1/2] Extend sys_clone and sys

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Date:	Thu, 24 Jan 2008 18:37:08 +0100
From:	Pavel Machek <pavel@....cz>
To:	Dave Hansen <haveblue@...ibm.com>
Cc:	Cedric Le Goater <clg@...ibm.com>,
	Linux Containers <containers@...ts.osdl.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [PATCH 1/2] Extend sys_clone and sys_unshare system calls API

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
-- 
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