From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Roland McGrath <roland-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Sukadev Bhattiprolu
<sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Nathan Lynch <nathanl-V7BBcbaFuwjMbYB6QlFGEg@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Eric W. Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
mingo-X9Un+BFzKDI@public.gmane.org,
torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
Alexey Dobriyan
<adobriyan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kosaki.motohiro-+CUm20s59erQFUHtdCDX3A@public.gmane.org
Subject: Re: [RFC][v7][PATCH 8/9]: Define clone2() syscall
Date: Tue, 29 Sep 2009 11:44:52 -0700 [thread overview]
Message-ID: <4AC255A4.4030002@zytor.com> (raw)
In-Reply-To: <20090929184023.532DF34-nL1rrgvulkc2UH6IwYuUx0EOCMrvLtNR@public.gmane.org>
On 09/29/2009 11:40 AM, Roland McGrath wrote:
> Why add a new syscall at all instead of just using a new CLONE_* flag to
> indicate that the argument layout is different?
What an absolutely atrociously bad idea.
We already have a syscall layer which is painful to thunk in places, and
this would make it much worse.
-hpa
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next prev parent reply other threads:[~2009-09-29 18:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090924165548.GA16586@us.ibm.com>
[not found] ` <20090924170308.GH16989@us.ibm.com>
[not found] ` <200909242343.59903.arnd@arndb.de>
[not found] ` <20090925082346.GB4436@localdomain>
[not found] ` <20090925105632.GG12824@hawkmoon.kerlabs.com>
[not found] ` <20090925105632.GG12824-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2009-09-29 18:05 ` [RFC][v7][PATCH 8/9]: Define clone2() syscall Sukadev Bhattiprolu
[not found] ` <20090929180537.GD4625-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-09-29 18:40 ` Roland McGrath
[not found] ` <20090929184023.532DF34-nL1rrgvulkc2UH6IwYuUx0EOCMrvLtNR@public.gmane.org>
2009-09-29 18:44 ` H. Peter Anvin [this message]
[not found] ` <4AC255A4.4030002-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-09-29 19:02 ` Arjan van de Ven
[not found] ` <20090929210207.247b94df-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2009-09-29 19:10 ` Linus Torvalds
[not found] ` <alpine.LFD.2.01.0909291207410.6996-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-09-29 20:02 ` H. Peter Anvin
[not found] ` <4AC267C7.4070300-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-09-29 22:11 ` Linus Torvalds
[not found] ` <alpine.LFD.2.01.0909291501530.6996-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-09-29 22:19 ` H. Peter Anvin
[not found] ` <4AC287F2.8060603-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-09-30 16:15 ` Arnd Bergmann
[not found] ` <200909301815.45211.arnd-r2nGTMty4D4@public.gmane.org>
2009-09-30 16:27 ` Linus Torvalds
[not found] ` <alpine.LFD.2.01.0909300925170.6996-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-09-30 17:59 ` Arnd Bergmann
[not found] ` <200909301959.41706.arnd-r2nGTMty4D4@public.gmane.org>
2009-09-30 19:14 ` Linus Torvalds
2009-09-30 6:48 ` Roland McGrath
2009-09-29 20:00 ` H. Peter Anvin
2009-09-29 21:58 ` Oren Laadan
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