From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Darren Hart <dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
"Michael Kerrisk (man-pages)"
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
Jakub Jelinek <jakub-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: "linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Davidlohr Bueso <davidlohr.bueso-VXdhtT5mjnY@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>,
Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Carlos O'Donell <carlos-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: futex(2) man page update help request
Date: Wed, 14 May 2014 17:18:53 -0700 [thread overview]
Message-ID: <537407ED.8050606@zytor.com> (raw)
In-Reply-To: <CF98E3EF.90564%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
On 05/14/2014 09:18 AM, Darren Hart wrote:
>
> However, unless I'm sorely mistaken, the larger problem is that glibc
> removed the futex() call entirely, so these man pages don't describe
> something users even have access to anymore. I had to revert to calling
> the syscalls directly in the futextest test suite because of this:
>
> http://git.kernel.org/cgit/linux/kernel/git/dvhart/futextest.git/tree/inclu
> de/futextest.h#n67
>
This really comes down to the fact that we should have a libinux which
contains the basic system call wrapper machinery for Linux specific
things and nothing else.
syscall(3) is toxic and breaks randomly on some platforms.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Darren Hart <dvhart@linux.intel.com>,
"Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Jakub Jelinek <jakub@redhat.com>
Cc: "linux-man@vger.kernel.org" <linux-man@vger.kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Davidlohr Bueso <davidlohr.bueso@hp.com>,
Arnd Bergmann <arnd@arndb.de>,
Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <peterz@infradead.org>,
Linux API <linux-api@vger.kernel.org>,
"Carlos O'Donell" <carlos@redhat.com>
Subject: Re: futex(2) man page update help request
Date: Wed, 14 May 2014 17:18:53 -0700 [thread overview]
Message-ID: <537407ED.8050606@zytor.com> (raw)
In-Reply-To: <CF98E3EF.90564%dvhart@linux.intel.com>
On 05/14/2014 09:18 AM, Darren Hart wrote:
>
> However, unless I'm sorely mistaken, the larger problem is that glibc
> removed the futex() call entirely, so these man pages don't describe
> something users even have access to anymore. I had to revert to calling
> the syscalls directly in the futextest test suite because of this:
>
> http://git.kernel.org/cgit/linux/kernel/git/dvhart/futextest.git/tree/inclu
> de/futextest.h#n67
>
This really comes down to the fact that we should have a libinux which
contains the basic system call wrapper machinery for Linux specific
things and nothing else.
syscall(3) is toxic and breaks randomly on some platforms.
-hpa
next prev parent reply other threads:[~2014-05-15 0:18 UTC|newest]
Thread overview: 145+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-14 10:35 futex(2) man page update help request Michael Kerrisk (man-pages)
[not found] ` <537346E5.4050407-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-05-14 16:18 ` Darren Hart
2014-05-14 16:18 ` Darren Hart
2014-05-14 19:03 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkh+PWzT2SByaLk_OtiAXeZSkWoMgu+ivDOt1dTWVtaatQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-05-14 19:59 ` Darren Hart
2014-05-14 19:59 ` Darren Hart
2014-05-14 20:23 ` Carlos O'Donell
2014-05-14 20:23 ` Carlos O'Donell
[not found] ` <5373D0CA.2050204-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-05-14 20:44 ` Andy Lutomirski
2014-05-14 20:44 ` Andy Lutomirski
2014-05-14 23:34 ` Thomas Gleixner
2014-05-14 23:34 ` Thomas Gleixner
[not found] ` <alpine.DEB.2.02.1405150121230.6261-3cz04HxQygjZikZi3RtOZ1XZhhPuCNm+@public.gmane.org>
2014-05-15 3:12 ` Carlos O'Donell
2014-05-15 3:12 ` Carlos O'Donell
[not found] ` <537430B5.2060001-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-05-15 4:49 ` Michael Kerrisk (man-pages)
2014-05-15 4:49 ` Michael Kerrisk (man-pages)
2014-05-15 4:53 ` Michael Kerrisk (man-pages)
2014-05-15 4:53 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkjQ5Dd_U9OojXdgeforpRevvPHNFAw99kBFPCwHgf7Ggg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-05-15 14:14 ` Thomas Gleixner
2014-05-15 14:14 ` Thomas Gleixner
[not found] ` <alpine.DEB.2.02.1405151144390.6261-3cz04HxQygjZikZi3RtOZ1XZhhPuCNm+@public.gmane.org>
2014-05-15 20:19 ` Michael Kerrisk (man-pages)
2014-05-15 20:19 ` Michael Kerrisk (man-pages)
[not found] ` <53752157.9070803-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-04 14:46 ` Carlos O'Donell
2014-08-04 14:46 ` Carlos O'Donell
2014-05-15 20:35 ` Darren Hart
2014-05-15 20:35 ` Darren Hart
[not found] ` <CF9A731D.913E6%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-01-15 15:12 ` Michael Kerrisk (man-pages)
2015-01-15 15:12 ` Michael Kerrisk (man-pages)
[not found] ` <54B7D8D4.2070203-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-17 1:33 ` Darren Hart
2015-01-17 1:33 ` Darren Hart
2015-01-17 9:16 ` Michael Kerrisk (man-pages)
[not found] ` <54BA2872.5040003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-17 19:26 ` Darren Hart
2015-01-17 19:26 ` Darren Hart
[not found] ` <D0DFF430.B7F94%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-01-18 10:18 ` Michael Kerrisk (man-pages)
2015-01-18 10:18 ` Michael Kerrisk (man-pages)
2015-01-15 15:10 ` Michael Kerrisk (man-pages)
2015-01-15 15:10 ` Michael Kerrisk (man-pages)
[not found] ` <54B7D87C.3090901-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-15 22:23 ` Thomas Gleixner
2015-01-15 22:23 ` Thomas Gleixner
2015-01-16 15:17 ` Michael Kerrisk (man-pages)
2015-01-16 15:17 ` Michael Kerrisk (man-pages)
[not found] ` <54B92B71.2090509-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-16 15:20 ` Thomas Gleixner
2015-01-16 15:20 ` Thomas Gleixner
2015-01-16 20:54 ` Michael Kerrisk (man-pages)
2015-01-16 20:54 ` Michael Kerrisk (man-pages)
[not found] ` <54B97A72.2050205-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-17 0:46 ` Darren Hart
2015-01-17 0:46 ` Darren Hart
[not found] ` <D0DEECA2.B7EAD%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2015-01-19 10:45 ` Thomas Gleixner
2015-01-19 10:45 ` Thomas Gleixner
2015-01-19 14:07 ` Michael Kerrisk (man-pages)
2015-01-23 18:19 ` Torvald Riegel
2015-01-23 18:19 ` Torvald Riegel
2015-01-24 10:05 ` Thomas Gleixner
2015-01-24 12:58 ` Torvald Riegel
[not found] ` <1422104287.29655.13.camel-I2ZjUw8blINjztcc/or7kQ@public.gmane.org>
2015-01-24 16:25 ` Thomas Gleixner
2015-01-24 16:25 ` Thomas Gleixner
2015-01-17 0:56 ` Davidlohr Bueso
[not found] ` <1421456216.27134.2.camel-h16yJtLeMjHk1uMJSBkQmQ@public.gmane.org>
2015-01-17 1:11 ` Darren Hart
2015-01-17 1:11 ` Darren Hart
2015-01-23 18:29 ` Torvald Riegel
2015-01-23 18:29 ` Torvald Riegel
[not found] ` <1422037788.29655.0.camel-I2ZjUw8blINjztcc/or7kQ@public.gmane.org>
2015-01-24 11:35 ` Thomas Gleixner
2015-01-24 11:35 ` Thomas Gleixner
2015-01-24 13:12 ` Torvald Riegel
2015-01-24 13:12 ` Torvald Riegel
[not found] ` <1422105142.29655.16.camel-I2ZjUw8blINjztcc/or7kQ@public.gmane.org>
2015-01-27 7:48 ` Michael Kerrisk (man-pages)
2015-01-27 7:48 ` Michael Kerrisk (man-pages)
2015-02-05 19:57 ` Darren Hart
2014-05-15 8:13 ` Peter Zijlstra
2014-05-15 8:13 ` Peter Zijlstra
[not found] ` <20140515081357.GC11096-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2014-05-15 15:43 ` Darren Hart
2014-05-15 15:43 ` Darren Hart
2014-05-15 8:14 ` Peter Zijlstra
2014-05-15 8:14 ` Peter Zijlstra
[not found] ` <20140515081444.GD11096-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2014-05-15 13:18 ` Carlos O'Donell
2014-05-15 13:18 ` Carlos O'Donell
[not found] ` <5374BE9E.8080408-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-05-15 13:22 ` Peter Zijlstra
2014-05-15 13:22 ` Peter Zijlstra
[not found] ` <20140515132235.GM30445-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2014-05-15 13:49 ` Michael Kerrisk (man-pages)
2014-05-15 13:49 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkjrS8WWMoQzsiOkMVn1_Bf06uFCL6ECU7z=mv0fszg+gQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-05-15 13:55 ` Peter Zijlstra
2014-05-15 13:55 ` Peter Zijlstra
2014-05-15 14:39 ` Carlos O'Donell
2014-05-15 14:39 ` Carlos O'Donell
2014-05-15 15:11 ` Peter Zijlstra
2014-05-14 20:56 ` Davidlohr Bueso
2014-05-14 20:56 ` Davidlohr Bueso
2014-05-14 21:03 ` Darren Hart
2014-05-14 21:03 ` Darren Hart
[not found] ` <CF99279F.907FC%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-05-14 22:21 ` Paul E. McKenney
2014-05-14 22:21 ` Paul E. McKenney
[not found] ` <1400100977.3865.30.camel-5JQ4ckphU/8SZAcGdq5asR6epYMZPwEe5NbjCUgZEJk@public.gmane.org>
2014-05-15 0:28 ` H. Peter Anvin
2014-05-15 0:28 ` H. Peter Anvin
2014-05-15 0:35 ` Andy Lutomirski
[not found] ` <CALCETrXzMiS9DwvmZn++wg0x6v-ZR0YP9fAdco4PRST=nTY4nQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-05-15 0:41 ` H. Peter Anvin
2014-05-15 0:41 ` H. Peter Anvin
[not found] ` <53740A30.20807-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-15 19:10 ` Carlos O'Donell
2014-05-15 19:10 ` Carlos O'Donell
[not found] ` <CF98E3EF.90564%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-05-14 21:05 ` Davidlohr Bueso
2014-05-14 21:05 ` Davidlohr Bueso
2014-05-15 15:15 ` Joseph S. Myers
2014-05-15 0:18 ` H. Peter Anvin [this message]
2014-05-15 0:18 ` H. Peter Anvin
[not found] ` <537407ED.8050606-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-15 5:21 ` Darren Hart
2014-05-15 5:21 ` Darren Hart
[not found] ` <CF999CD6.90A93%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-05-15 8:23 ` Peter Zijlstra
2014-05-15 8:23 ` Peter Zijlstra
2014-05-15 13:46 ` Michael Kerrisk (man-pages)
2014-05-15 13:46 ` Michael Kerrisk (man-pages)
[not found] ` <5374C54B.7040408-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-05-15 14:59 ` H. Peter Anvin
2014-05-15 14:59 ` H. Peter Anvin
2014-05-15 15:42 ` chrubis
[not found] ` <20140515154246.GC6926-HSzIOc4LzcM@public.gmane.org>
2014-05-15 15:52 ` H. Peter Anvin
2014-05-15 15:52 ` H. Peter Anvin
[not found] ` <5374E2A4.2070408-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-15 16:01 ` chrubis-AlSwsSmVLrQ
2014-05-15 16:01 ` chrubis
[not found] ` <20140515160152.GA7529-HSzIOc4LzcM@public.gmane.org>
2014-05-15 16:07 ` H. Peter Anvin
2014-05-15 16:07 ` H. Peter Anvin
[not found] ` <5374E653.2080309-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-15 16:17 ` chrubis-AlSwsSmVLrQ
2014-05-15 16:17 ` chrubis
2014-05-15 16:56 ` H. Peter Anvin
[not found] ` <5374F1B3.9080006-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-05-15 17:06 ` chrubis-AlSwsSmVLrQ
2014-05-15 17:06 ` chrubis
2014-05-15 15:47 ` Darren Hart
2014-05-15 15:35 ` chrubis-AlSwsSmVLrQ
2014-05-15 15:35 ` chrubis
2014-05-15 15:28 ` chrubis-AlSwsSmVLrQ
2014-05-15 15:28 ` chrubis
[not found] ` <20140515152834.GA6926-HSzIOc4LzcM@public.gmane.org>
2014-05-15 15:40 ` Steven Rostedt
2014-05-15 15:40 ` Steven Rostedt
2014-05-15 16:14 ` Darren Hart
2014-05-15 16:14 ` Darren Hart
[not found] ` <CF9A3521.90ECC%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-05-15 16:30 ` chrubis-AlSwsSmVLrQ
2014-05-15 16:30 ` chrubis
[not found] ` <20140515163004.GB7959-HSzIOc4LzcM@public.gmane.org>
2014-05-15 18:17 ` Darren Hart
2014-05-15 18:17 ` Darren Hart
[not found] ` <CF9A3A75.90F40%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-05-15 19:05 ` chrubis-AlSwsSmVLrQ
2014-05-15 19:05 ` chrubis
[not found] ` <20140515190529.GA8887-HSzIOc4LzcM@public.gmane.org>
2014-05-15 19:38 ` Darren Hart
2014-05-15 19:38 ` Darren Hart
[not found] ` <CF9A658E.91322%dvhart-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-08-11 10:19 ` chrubis-AlSwsSmVLrQ
2014-08-11 10:19 ` chrubis
2014-11-26 13:41 ` Cyril Hrubis
2014-11-26 13:41 ` Cyril Hrubis
2015-02-16 13:14 ` Cyril Hrubis
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