From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFC][v7][PATCH 8/9]: Define clone2() syscall Date: Tue, 29 Sep 2009 11:44:52 -0700 Message-ID: <4AC255A4.4030002@zytor.com> References: <20090924165548.GA16586@us.ibm.com> <20090924170308.GH16989@us.ibm.com> <200909242343.59903.arnd@arndb.de> <20090925082346.GB4436@localdomain> <20090925105632.GG12824@hawkmoon.kerlabs.com> <20090929180537.GD4625@us.ibm.com> <20090929184023.532DF34@magilla.sf.frob.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090929184023.532DF34-nL1rrgvulkc2UH6IwYuUx0EOCMrvLtNR@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland McGrath Cc: Sukadev Bhattiprolu , Arnd Bergmann , Containers , Nathan Lynch , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Eric W. Biederman" , mingo-X9Un+BFzKDI@public.gmane.org, torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, Alexey Dobriyan , Pavel Emelyanov , linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kosaki.motohiro-+CUm20s59erQFUHtdCDX3A@public.gmane.org List-Id: linux-api@vger.kernel.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 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html