From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andreas Schwab <schwab@redhat.com>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mike Galbraith <efault@gmx.de>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Anton Blanchard <anton@samba.org>
Subject: Re: [GIT PULL] scheduler fix
Date: Thu, 8 Apr 2010 20:52:16 +0200 [thread overview]
Message-ID: <20100408185216.GA28689@elte.hu> (raw)
In-Reply-To: <alpine.LFD.2.00.1004081133000.3558@i5.linux-foundation.org>
* Linus Torvalds <torvalds@linux-foundation.org> wrote:
>
>
> On Thu, 8 Apr 2010, Ingo Molnar wrote:
> >
> > So i'd suggest changing nr_cpu_ids to unsigned int [unless there's some strong
> > reason to have it signed] plus doing something like:
> >
> > if (len < (nr_cpu_ids >> BITS_PER_BYTE_BITS))
>
> No workee.
>
> It really should round up.
Indeed.
> If you worry about code generation, I'd suggest looking at whether
> nr_cpu_ids could just be made unsigned.
>
> Anyway, this all was _not_ the point of my original email. I really don't
> care about this particular instance. I care more about the whole "in general
> people should think _way_ more about validating user-supplied arguments than
> clearly happened this time".
Yeah, no argument about that, point taken and accepted.
Ingo
next prev parent reply other threads:[~2010-04-08 18:52 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 15:38 [GIT PULL] scheduler fix Ingo Molnar
2010-04-08 15:42 ` Linus Torvalds
2010-04-08 16:03 ` Andreas Schwab
2010-04-08 18:26 ` Ingo Molnar
2010-04-08 18:36 ` Linus Torvalds
2010-04-08 18:52 ` Ingo Molnar [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-10-01 8:43 Ingo Molnar
2023-10-01 17:08 ` pr-tracker-bot
2023-09-22 10:26 Ingo Molnar
2023-09-22 20:19 ` pr-tracker-bot
2021-06-24 7:06 Ingo Molnar
2021-06-24 16:34 ` pr-tracker-bot
2020-12-27 9:16 Ingo Molnar
2020-12-27 17:27 ` pr-tracker-bot
2020-03-02 7:51 Ingo Molnar
2020-03-03 23:35 ` pr-tracker-bot
2019-12-17 11:54 Ingo Molnar
2019-12-17 19:20 ` pr-tracker-bot
2019-07-14 10:19 Ingo Molnar
2019-07-14 18:45 ` pr-tracker-bot
2019-05-05 11:02 Ingo Molnar
2019-05-05 22:10 ` pr-tracker-bot
2019-04-27 14:39 Ingo Molnar
2019-04-27 18:45 ` pr-tracker-bot
2019-04-12 13:08 Ingo Molnar
2019-04-13 4:05 ` pr-tracker-bot
2018-12-31 14:58 Ingo Molnar
2018-12-31 18:05 ` pr-tracker-bot
2018-11-17 10:57 Ingo Molnar
2018-11-18 20:05 ` pr-tracker-bot
2018-10-11 9:12 Ingo Molnar
2018-10-11 12:32 ` Greg Kroah-Hartman
2018-10-11 9:02 Ingo Molnar
2018-01-17 15:34 Ingo Molnar
2017-10-27 19:16 Ingo Molnar
2016-12-07 18:48 Ingo Molnar
2016-10-28 8:35 Ingo Molnar
2016-10-19 15:52 Ingo Molnar
2016-10-18 11:17 Ingo Molnar
2016-09-13 18:17 Ingo Molnar
2016-07-14 18:56 Ingo Molnar
2016-05-13 18:54 Ingo Molnar
2016-05-06 11:31 Ingo Molnar
2015-07-18 2:56 Ingo Molnar
2015-03-28 13:45 Ingo Molnar
2014-01-15 18:19 Ingo Molnar
2013-09-28 18:08 Ingo Molnar
2013-09-12 12:58 Ingo Molnar
2012-05-17 8:46 Ingo Molnar
2012-03-02 10:57 Ingo Molnar
2012-02-27 10:29 Ingo Molnar
2011-04-07 17:38 Ingo Molnar
2011-03-18 13:52 Ingo Molnar
2011-03-10 8:01 Ingo Molnar
2011-01-24 13:07 Ingo Molnar
2009-12-23 16:03 Ingo Molnar
2009-10-08 19:01 Ingo Molnar
2009-05-05 9:35 Ingo Molnar
2009-02-17 16:40 [git pull] " Ingo Molnar
2009-02-04 19:18 Ingo Molnar
2009-01-07 22:26 Ingo Molnar
2009-01-07 23:47 ` Linus Torvalds
2009-01-08 7:50 ` Peter Zijlstra
2008-12-04 19:41 Ingo Molnar
2008-04-14 15:07 Ingo Molnar
2008-01-22 10:33 Ingo Molnar
2007-10-29 20:39 [git pull] scheduler fixes Ingo Molnar
2007-10-29 23:34 ` [git pull] scheduler fix Ingo Molnar
2007-10-30 10:15 ` Guillaume Chazarain
2007-11-01 8:39 ` Ingo Molnar
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