From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
Sukadev Bhattiprolu
<sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
randy.dunlap-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org,
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,
Louis.Rilling-aw0BnHfMbSpBDgjK7y7TUQ@public.gmane.org,
"Eric W. Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
kosaki.motohiro-+CUm20s59erQFUHtdCDX3A@public.gmane.org,
mingo-X9Un+BFzKDI@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
Alexey Dobriyan
<adobriyan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
roland-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Subject: Re: [RFC][v8][PATCH 9/10]: Define clone3() syscall
Date: Thu, 22 Oct 2009 21:19:27 +0900 [thread overview]
Message-ID: <4AE04DCF.6040908@zytor.com> (raw)
In-Reply-To: <cfd18e0f0910220514y1bd5967aj3a04bc3f5b38948b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 10/22/2009 09:14 PM, Michael Kerrisk wrote:
>
> So, sometimes, a number in a system call should be the bit width of
> some arguments(s), sometimes it should be the number of arguments, and
> sometimes (well, just occasionally, as in mmap2() and clone()) -- it
> should be a version number? Does the weather play any part in the
> decision? ;-)
>
The notion is that they are *some* kind of description on how the system
call has been augmented. The bitwidths and argument numbers are
non-overlapping and visually very different, so are not subject to
confusion. Your argument makes about as much sense as saying the letter
"a" should have the same meaning in every context.
-hpa
next prev parent reply other threads:[~2009-10-22 12:19 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
[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 [this message]
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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