Re: [RFC][v7][PATCH 8/9]: Define clone2() syscall

From: H. Peter Anvin
Date: Tue Sep 29 2009 - 16:12:00 EST


On 09/29/2009 12:02 PM, Arjan van de Ven wrote:
> On Tue, 29 Sep 2009 11:44:52 -0700
> "H. Peter Anvin" <hpa@xxxxxxxxx> wrote:
>
>> 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.
>>
> syscalls are cheap as well.
> cheaper than decades of dealing with such multiplexer mess ;/
>

It really comes down to wanting all the dispatch to happen in one
central place.

-hpa

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