From: "H. Peter Anvin" <hpa@zytor.com>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: mtk.manpages@gmail.com, Matt Helsley <matthltc@us.ibm.com>,
randy.dunlap@oracle.com, arnd@arndb.de,
Containers <containers@lists.linux-foundation.org>,
Nathan Lynch <nathanl@austin.ibm.com>,
linux-kernel@vger.kernel.org, Louis.Rilling@kerlabs.com,
"Eric W. Biederman" <ebiederm@xmission.com>,
kosaki.motohiro@jp.fujitsu.com, mingo@elte.hu,
linux-api@vger.kernel.org, torvalds@linux-foundation.org,
Alexey Dobriyan <adobriyan@gmail.com>,
roland@redhat.com, Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [RFC][v8][PATCH 9/10]: Define clone3() syscall
Date: Thu, 22 Oct 2009 07:03:28 +0900 [thread overview]
Message-ID: <4ADF8530.7070703@zytor.com> (raw)
In-Reply-To: <20091021194440.GA1283@us.ibm.com>
On 10/22/2009 04:44 AM, Sukadev Bhattiprolu wrote:
>>
>> "3" is number of arguments.
>
> To me, it is a version number.
>
> mmap() and mmap2() both have 6 parameters.
>
You keep bringing this up. mmap2() is (a) a non-user-visible call; (b)
an exception (a mistake, if you want.)
> Besides if wait4() were born before wait3(), would it still be wait4() :-)
Yes. wait3() came before wait4(), but there never was a wait2().
> But I see that it is hard to get one-convention-that-fits-all.
>
>> It's better than "extended" or something
>> like that simply because "extended" just means "more than", and a number
>> at least tells you *how much more than*.
>
> And extended assumes we wont extend again.
Exactly.
-hpa
next prev parent reply other threads:[~2009-10-21 22:03 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-13 4:49 [RFC][v8][PATCH 0/10] Implement clone3() system call Sukadev Bhattiprolu
[not found] ` <20091013044925.GA28181-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-13 4:49 ` [RFC][v8][PATCH 1/10]: Factor out code to allocate pidmap page Sukadev Bhattiprolu
2009-10-13 4:50 ` [RFC][v8][PATCH 2/10]: Have alloc_pidmap() return actual error code Sukadev Bhattiprolu
2009-10-13 4:50 ` [RFC][v8][PATCH 3/10]: Make pid_max a pid_ns property Sukadev Bhattiprolu
[not found] ` <20091013045041.GC28435-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-13 5:19 ` Alexey Dobriyan
2009-10-13 13:09 ` Pavel Emelyanov
[not found] ` <4AD47C1F.7040703-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2009-10-13 15:24 ` Serge E. Hallyn
2009-10-13 16:10 ` Pavel Emelyanov
2009-10-13 16:28 ` Serge E. Hallyn
2009-10-13 4:51 ` [RFC][v8][PATCH 4/10]: Add target_pid parameter to alloc_pidmap() Sukadev Bhattiprolu
[not found] ` <20091013045104.GD28435-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-13 11:50 ` Pavel Emelyanov
[not found] ` <4AD46977.5020303-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2009-10-15 0:24 ` Sukadev Bhattiprolu
2009-10-13 4:51 ` [RFC][v8][PATCH 5/10]: Add target_pids parameter to alloc_pid() Sukadev Bhattiprolu
2009-10-13 4:52 ` [RFC][v8][PATCH 6/10]: Add target_pids parameter to copy_process() Sukadev Bhattiprolu
2009-10-13 4:52 ` [RFC][v8][PATCH 7/10]: Check invalid clone flags Sukadev Bhattiprolu
[not found] ` <20091013045234.GG28435-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-13 18:35 ` Oren Laadan
[not found] ` <4AD4C88D.7040008-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-10-13 23:38 ` Sukadev Bhattiprolu
2009-10-13 4:52 ` [RFC][v8][PATCH 8/10]: Define do_fork_with_pids() Sukadev Bhattiprolu
2009-10-13 4:54 ` [RFC][v8][PATCH 9/10]: Define clone3() syscall Sukadev Bhattiprolu
[not found] ` <20091013045439.GI28435-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-13 18:46 ` Oren Laadan
2009-10-16 4:20 ` Sukadev Bhattiprolu
[not found] ` <20091016042041.GA7220-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-16 6:25 ` Michael Kerrisk
[not found] ` <cfd18e0f0910152325m4a9125c2q18f36f5bd7d4a0-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-10-16 18:06 ` Sukadev Bhattiprolu
[not found] ` <20091016180631.GA31036-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-19 17:44 ` Matt Helsley
[not found] ` <20091019174405.GE27627-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-10-19 21:31 ` H. Peter Anvin
[not found] ` <4ADCDAA8.5080408-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-10-19 23:50 ` Matt Helsley
[not found] ` <20091019235012.GF27627-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-10-21 4:26 ` Michael Kerrisk
2009-10-21 13:03 ` H. Peter Anvin
[not found] ` <4ADF06B7.50508-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-10-21 19:44 ` Sukadev Bhattiprolu
2009-10-21 22:03 ` H. Peter Anvin [this message]
[not found] ` <20091021194440.GA1283-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-22 10:40 ` Michael Kerrisk
[not found] ` <cfd18e0f0910220340n7c655daap78e395136c56f882-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-10-22 18:10 ` Sukadev Bhattiprolu
2009-10-22 10:26 ` Michael Kerrisk
2009-10-22 11:38 ` H. Peter Anvin
2009-10-22 12:14 ` Michael Kerrisk
[not found] ` <cfd18e0f0910220514y1bd5967aj3a04bc3f5b38948b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-10-22 12:19 ` H. Peter Anvin
2009-10-22 13:57 ` Matt Helsley
2009-10-13 4:55 ` [RFC][v8][PATCH 10/10]: Document " Sukadev Bhattiprolu
[not found] ` <20091013045556.GJ28435-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-14 12:26 ` Arnd Bergmann
[not found] ` <200910141426.35338.arnd-r2nGTMty4D4@public.gmane.org>
2009-10-14 18:39 ` Sukadev Bhattiprolu
2009-10-19 21:36 ` Pavel Machek
[not found] ` <20091019213636.GB1482-+ZI9xUNit7I@public.gmane.org>
2009-10-21 8:37 ` Arnd Bergmann
2009-10-21 9:33 ` Pavel Machek
[not found] ` <20091021093338.GA11670-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-10-21 13:26 ` Arnd Bergmann
[not found] ` <200910211526.50584.arnd-r2nGTMty4D4@public.gmane.org>
2009-10-21 19:09 ` Pavel Machek
2009-10-21 18:27 ` Sukadev Bhattiprolu
2009-10-13 20:50 ` [RFC][v8][PATCH 0/10] Implement clone3() system call Roland McGrath
[not found] ` <20091013205015.1ED524F7-nL1rrgvulkc2UH6IwYuUx0EOCMrvLtNR@public.gmane.org>
2009-10-13 23:27 ` Sukadev Bhattiprolu
[not found] ` <20091013232736.GA24392-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-13 23:53 ` Roland McGrath
[not found] ` <20091013235320.E90022746-nL1rrgvulkc2UH6IwYuUx0EOCMrvLtNR@public.gmane.org>
2009-10-14 1:13 ` H. Peter Anvin
[not found] ` <4AD525B3.2070906-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-10-14 4:36 ` Sukadev Bhattiprolu
[not found] ` <20091014043607.GA32114-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-14 4:38 ` H. Peter Anvin
2009-10-14 22:36 ` Sukadev Bhattiprolu
[not found] ` <20091014223634.GB3515-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-14 22:49 ` H. Peter Anvin
[not found] ` <4AD6557D.3090501-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-10-15 0:17 ` Sukadev Bhattiprolu
2009-10-13 23:49 ` H. Peter Anvin
[not found] ` <4AD511F1.7010207-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-10-14 1:39 ` Matt Helsley
[not found] ` <20091014013936.GC27627-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-10-14 2:24 ` H. Peter Anvin
[not found] ` <4AD5365E.5090709-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-10-14 4:40 ` Sukadev Bhattiprolu
[not found] ` <20091014044035.GB32114-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-14 4:50 ` H. Peter Anvin
2009-10-14 16:07 ` Serge E. Hallyn
2009-10-16 19:22 ` Daniel Lezcano
[not found] ` <4AD8C7E4.9000903-GANU6spQydw@public.gmane.org>
2009-10-16 19:44 ` Sukadev Bhattiprolu
[not found] ` <20091016194451.GA28706-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-19 20:34 ` Daniel Lezcano
[not found] ` <4ADCCD68.9030003-GANU6spQydw@public.gmane.org>
2009-10-19 21:47 ` Oren Laadan
2009-10-20 0:51 ` Matt Helsley
[not found] ` <20091020005125.GG27627-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-10-20 3:33 ` Eric W. Biederman
[not found] ` <m1vdiad9jd.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2009-10-20 4:03 ` Sukadev Bhattiprolu
[not found] ` <20091020040315.GA26632-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-20 10:46 ` Eric W. Biederman
[not found] ` <m1iqeauyvl.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2009-10-20 14:16 ` Serge E. Hallyn
2009-10-20 18:33 ` Sukadev Bhattiprolu
[not found] ` <20091020183329.GB22646-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-20 19:26 ` Eric W. Biederman
[not found] ` <m1r5sxsw7w.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2009-10-20 20:13 ` Oren Laadan
2009-10-21 6:20 ` Sukadev Bhattiprolu
[not found] ` <20091021062021.GA2667-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-21 9:16 ` Eric W. Biederman
[not found] ` <m1eioxrtsb.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2009-10-21 18:52 ` Sukadev Bhattiprolu
[not found] ` <20091021185242.GB12955-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-21 21:11 ` Eric W. Biederman
2009-10-23 0:42 ` Sukadev Bhattiprolu
[not found] ` <20091023004253.GA7915-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-23 1:03 ` Eric W. Biederman
2009-10-23 5:30 ` Sukadev Bhattiprolu
[not found] ` <20091023053001.GA24972-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-23 5:44 ` Eric W. Biederman
[not found] ` <m1ws2mpsuk.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2009-10-23 19:21 ` Sukadev Bhattiprolu
[not found] ` <20091023192124.GA11088-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-23 20:48 ` Sukadev Bhattiprolu
[not found] ` <20091023204812.GA26524-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-10-23 23:26 ` Eric W. Biederman
[not found] ` <m1y6n1lmk7.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2009-10-24 3:38 ` Sukadev Bhattiprolu
2009-10-23 19:16 ` Oren Laadan
[not found] ` <4AE20124.4010108-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-10-23 19:34 ` Oren Laadan
[not found] ` <4AE20532.6060809-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-10-23 23:12 ` Eric W. Biederman
2009-10-20 14:09 ` Serge E. Hallyn
[not found] ` <4ADCDE7F.4090501-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-10-21 15:53 ` Daniel Lezcano
[not found] ` <4ADF2E75.1020801-GANU6spQydw@public.gmane.org>
2009-10-21 18:45 ` Oren Laadan
[not found] ` <4ADF56D4.8030405-RdfvBDnrOixBDgjK7y7TUQ@public.gmane.org>
2009-10-22 11:22 ` Daniel Lezcano
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