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From: "H. Peter Anvin" <hpa@zytor.com>
To: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	David Miller <davem@davemloft.net>,
	torvalds@linux-foundation.org, drepper@redhat.com,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	"akpm@linux-foundation.org Jakub Jelinek" <jakub@redhat.com>
Subject: Re: [PATCH] alternative to sys_indirect, part 1
Date: Thu, 24 Apr 2008 10:20:42 -0700	[thread overview]
Message-ID: <4810C16A.3000606@zytor.com> (raw)
In-Reply-To: <517f3f820804240948u788745f4s7a5dd4e7417ffeaf@mail.gmail.com>

Michael Kerrisk wrote:
> On 4/24/08, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
>>> But this approach fixes just one of the interfaces.  There are 7 or 8
>>  > other interfaces that need to solve the same problem.  What about
>>  > those?
>>
>>
>> Actually it seems to fix most of them.
> 
> Am I missingg something?  How?  There a number of system calls that
> have neither a flags argument, nor another argument that we can
> overload (as you propose with socket()).  For those, we'd need new
> system calls os sys_indirect().
> 

sys_indirect is a total red herring here, since it won't help one iota 
making the userspace interface comprehensible - it just introduces a 
different calling convention that the C library will have to thunk.

	-hpa

  reply	other threads:[~2008-04-24 17:21 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-24  4:03 [PATCH] alternative to sys_indirect, part 1 Ulrich Drepper
2008-04-24 10:25 ` Alan Cox
2008-04-24 12:34   ` Michael Kerrisk
     [not found]     ` <517f3f820804240534r3bbbdc52s52a6dfe3f2d14b7f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-04-24 14:49       ` Ulrich Drepper
2008-04-24 14:49         ` Ulrich Drepper
     [not found]         ` <48109DFB.900-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-04-24 14:42           ` Alan Cox
2008-04-24 14:42             ` Alan Cox
2008-04-24 15:19             ` Ulrich Drepper
2008-04-24 15:05           ` Michael Kerrisk
2008-04-24 15:05             ` Michael Kerrisk
2008-04-24 14:18   ` Ulrich Drepper
2008-04-24 14:24     ` Alan Cox
2008-04-24 15:16       ` Ulrich Drepper
2008-04-24 15:03         ` Alan Cox
2008-04-24 15:44           ` Jakub Jelinek
2008-04-24 15:24             ` Alan Cox
2008-04-24 16:00               ` David Miller
2008-04-24 15:38                 ` Alan Cox
2008-04-24 16:09                   ` David Miller
2008-04-24 16:45                   ` Michael Kerrisk
2008-04-26 22:41                     ` dean gaudet
2008-04-24 15:45           ` Ulrich Drepper
2008-04-24 15:27             ` Alan Cox
2008-04-24 16:04               ` Ulrich Drepper
2008-04-24 15:45                 ` Alan Cox
2008-04-24 16:06           ` Michael Kerrisk
2008-04-24 16:49     ` Evgeniy Polyakov
2008-04-24 15:29   ` Linus Torvalds
2008-04-24 15:39     ` David Miller
2008-04-24 16:03       ` Michael Kerrisk
2008-04-24 15:42         ` Alan Cox
2008-04-24 16:48           ` Michael Kerrisk
2008-04-24 17:20             ` H. Peter Anvin [this message]
2008-04-24 17:31               ` Ulrich Drepper
2008-04-24 17:34                 ` H. Peter Anvin
2008-04-24 16:30         ` Linus Torvalds
2008-04-24 16:52           ` Ulrich Drepper
2008-04-24 12:27 ` Michael Kerrisk
2008-04-24 12:46   ` David Collier-Brown

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