From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>, Simon Kirby <sim@hostway.ca>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Dave Jones <davej@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Linux 3.1-rc9
Date: Mon, 24 Oct 2011 10:08:32 +0200 [thread overview]
Message-ID: <20111024100832.7fcfefdd@de.ibm.com> (raw)
In-Reply-To: <CA+55aFyybeTZvzSU4L=hV1Y6+wXn2ZkuZF9R+vAj6MRVC+MmBQ@mail.gmail.com>
On Mon, 24 Oct 2011 09:51:09 +0200
Linus Torvalds <torvalds@linux-foundation.org> wrote:
> On Mon, Oct 24, 2011 at 9:48 AM, Martin Schwidefsky
> <schwidefsky@de.ibm.com> wrote:
> >
> > These types are still there because cputime_t can be u32 or u64. E.g. this
> >
> > timer->expires.cpu = 0;
> >
> > will give the following sparse warning
> >
> > kernel/posix-cpu-timers.c:463:46: warning: implicit cast to nocast type
>
> Ok, we should probably special-case zero for that case too (we
> consider zero to be very special - it's not only the NULL pointer, but
> 0 is special for the bitwise types etc). So this is very arguably a
> sparse issue: casting zero is special.
Ok, cool. In that case I'll cook up a patch without cputime_t & cputime64_t
and put it on the cputime branch on git390.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2011-10-24 8:08 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-05 1:40 Linux 3.1-rc9 Linus Torvalds
2011-10-07 7:08 ` Simon Kirby
2011-10-07 17:48 ` Simon Kirby
2011-10-07 18:01 ` Peter Zijlstra
2011-10-08 0:33 ` Simon Kirby
2011-10-08 0:50 ` Simon Kirby
2011-10-08 7:55 ` Peter Zijlstra
2011-10-12 21:35 ` Simon Kirby
2011-10-13 23:25 ` Simon Kirby
2011-10-17 1:39 ` Linus Torvalds
2011-10-17 4:58 ` Ingo Molnar
2011-10-17 9:03 ` Thomas Gleixner
2011-10-17 10:40 ` Peter Zijlstra
2011-10-17 11:40 ` Alan Cox
2011-10-17 18:49 ` Ingo Molnar
2011-10-17 20:35 ` H. Peter Anvin
2011-10-17 21:19 ` Ingo Molnar
2011-10-17 21:22 ` H. Peter Anvin
2011-10-17 21:39 ` Ingo Molnar
2011-10-17 22:03 ` Ingo Molnar
2011-10-17 22:04 ` Ingo Molnar
2011-10-17 22:08 ` H. Peter Anvin
2011-10-18 6:01 ` Ingo Molnar
2011-10-18 7:12 ` Geert Uytterhoeven
2011-10-18 18:50 ` H. Peter Anvin
2011-10-17 21:31 ` Ingo Molnar
2011-10-17 7:55 ` Martin Schwidefsky
2011-10-17 9:12 ` Peter Zijlstra
2011-10-17 9:18 ` Martin Schwidefsky
2011-10-17 20:48 ` H. Peter Anvin
2011-10-18 7:20 ` Martin Schwidefsky
2011-10-17 10:34 ` Peter Zijlstra
2011-10-17 14:07 ` Martin Schwidefsky
2011-10-17 14:57 ` Linus Torvalds
2011-10-17 17:54 ` Peter Zijlstra
2011-10-17 18:31 ` Linus Torvalds
2011-10-17 19:23 ` Peter Zijlstra
2011-10-17 21:00 ` Thomas Gleixner
2011-10-18 8:39 ` Thomas Gleixner
2011-10-18 9:05 ` Peter Zijlstra
2011-10-18 14:59 ` Linus Torvalds
2011-10-18 15:26 ` Thomas Gleixner
2011-10-18 18:07 ` Ingo Molnar
2011-10-18 18:14 ` [GIT PULL] timer fix Ingo Molnar
2011-10-18 16:13 ` Linux 3.1-rc9 Dave Jones
2011-10-18 18:20 ` Simon Kirby
2011-10-18 19:48 ` Thomas Gleixner
2011-10-18 20:12 ` Linus Torvalds
2011-10-25 15:26 ` Simon Kirby
2011-10-26 1:47 ` Yong Zhang
2011-10-24 19:02 ` Simon Kirby
2011-10-25 7:13 ` Linus Torvalds
2011-10-25 9:01 ` David Miller
2011-10-25 12:30 ` Thomas Gleixner
2011-10-25 23:18 ` David Miller
2011-10-25 20:20 ` Simon Kirby
2011-10-31 17:32 ` Simon Kirby
2011-11-02 16:40 ` Thomas Gleixner
2011-11-02 17:27 ` Eric Dumazet
2011-11-02 17:46 ` Linus Torvalds
2011-11-02 17:53 ` Eric Dumazet
2011-11-02 18:00 ` Linus Torvalds
2011-11-02 18:05 ` Eric Dumazet
2011-11-02 18:10 ` Linus Torvalds
2011-11-02 17:49 ` Eric Dumazet
2011-11-02 17:58 ` Eric Dumazet
2011-11-02 19:16 ` Simon Kirby
2011-11-02 22:42 ` Eric Dumazet
2011-11-03 0:24 ` Thomas Gleixner
2011-11-03 0:52 ` Simon Kirby
2011-11-03 22:07 ` David Miller
2011-11-03 6:06 ` Jörg-Volker Peetz
2011-11-03 6:26 ` Eric Dumazet
2011-11-03 6:43 ` David Miller
2011-11-02 17:54 ` Thomas Gleixner
2011-11-02 18:04 ` Eric Dumazet
2011-11-02 18:28 ` Simon Kirby
2011-11-02 18:30 ` Thomas Gleixner
2011-11-02 22:10 ` Steven Rostedt
2011-11-02 23:00 ` Steven Rostedt
2011-11-03 0:09 ` Simon Kirby
2011-11-03 0:15 ` Steven Rostedt
2011-11-03 0:17 ` Simon Kirby
2011-11-18 23:11 ` [tip:perf/core] lockdep: Show subclass in pretty print of lockdep output tip-bot for Steven Rostedt
2011-10-20 14:36 ` Linux 3.1-rc9 Martin Schwidefsky
2011-10-23 11:34 ` Ingo Molnar
2011-10-24 7:48 ` Martin Schwidefsky
2011-10-24 7:51 ` Linus Torvalds
2011-10-24 8:08 ` Martin Schwidefsky [this message]
2011-10-18 5:40 ` Simon Kirby
2011-10-09 20:51 ` Arkadiusz Miśkiewicz
2011-10-10 2:29 ` [tpmdd-devel] " Stefan Berger
2011-10-10 16:23 ` Rajiv Andrade
2011-10-10 17:05 ` Arkadiusz Miśkiewicz
2011-10-10 17:22 ` Stefan Berger
2011-10-10 17:57 ` Arkadiusz Miśkiewicz
2011-10-10 21:08 ` Arkadiusz Miśkiewicz
2011-10-11 7:09 ` [tpmdd-devel] " Peter.Huewe
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