linux-kernel - Re: [RFC][v8][PATCH 9/10]: Define clone3() syscall

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Message-ID: <20091016180631.GA31036@us.ibm.com>
Date:	Fri, 16 Oct 2009 11:06:31 -0700
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	mtk.manpages@...il.com
Cc:	linux-kernel@...r.kernel.org, Oren Laadan <orenl@...columbia.edu>,
	serue@...ibm.com, "Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Andrew Morton <akpm@...l.org>, torvalds@...ux-foundation.org,
	mikew@...gle.com, mingo@...e.hu, hpa@...or.com,
	Nathan Lynch <nathanl@...tin.ibm.com>, arnd@...db.de,
	peterz@...radead.org, Louis.Rilling@...labs.com, roland@...hat.com,
	kosaki.motohiro@...fujitsu.com, randy.dunlap@...cle.com,
	linux-api@...r.kernel.org,
	Containers <containers@...ts.linux-foundation.org>,
	sukadev@...ibm.com
Subject: Re: [RFC][v8][PATCH 9/10]: Define clone3() syscall

Michael Kerrisk [mtk.manpages@...glemail.com] wrote:
| Hi Sukadev
| 
| On Fri, Oct 16, 2009 at 6:20 AM, Sukadev Bhattiprolu
| <sukadev@...ux.vnet.ibm.com> wrote:
| > Here is an updated patch with the following interface:
| >
| >        long sys_clone3(unsigned int flags_low, struct clone_args __user *cs,
| >                        pid_t *pids);
| >
| > There are just two other (minor) changes pending to this patchset:
| >
| >        - PATCH 7: add a CLONE_UNUSED bit to VALID_CLONE_FLAGS().
| >        - PATCH 10: update documentation to reflect new interface.
| >
| > If this looks ok, we repost entire patchset next week.
| 
| I know I'm late to this discussion, but why the name clone3()? It's
| not consistent with any other convention used fo syscall naming,
| AFAICS. I think a name like clone_ext() or clonex() (for extended)
| might make more sense.

Sure, we talked about calling it clone_extended() and I can go back
to that.

Only minor concern with that name was if this new call ever needs to
be extended, what would we call it :-). With clone3() we could add a
real/fake parameter and call it clone4() :-p

Sukadev
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