From: Joerg Roedel <joerg.roedel@amd.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [GIT PULL] core kernel fixes
Date: Mon, 13 Jul 2009 16:52:56 +0200 [thread overview]
Message-ID: <20090713145256.GI19087@amd.com> (raw)
In-Reply-To: <alpine.LFD.2.01.0907101206120.3352@localhost.localdomain>
On Fri, Jul 10, 2009 at 12:06:23PM -0700, Linus Torvalds wrote:
> What am I missing (apart from the fact that all those variables are
> horribly badly named)?
>
> Also, the tests make no sense. That's not how you are supposed to check
> for overlap to begin with.
The tests made sense in my brain when I wrote that function ;-) My code
checked for possible overlap scenarios. I havn't thought about doing it
much much simpler...
>
> Isn't it easier to test for _not_ overlapping?
>
> /* range1 is fully before range2 */
> (end1 <= start2 ||
> /* range1 is fully after range2 */
> start1 >= end2)
... by checking for non-overlap and negating the result. But now I know
better :-)
Joerg
next prev parent reply other threads:[~2009-07-13 14:53 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-10 16:28 [GIT PULL] core kernel fixes Ingo Molnar
2009-07-10 19:06 ` Linus Torvalds
2009-07-10 19:31 ` Ingo Molnar
2009-07-10 19:51 ` [PATCH] dma-debug: Fix the overlap() function to be correct and readable Ingo Molnar
2009-07-10 20:07 ` Linus Torvalds
2009-07-10 20:34 ` Ingo Molnar
2009-07-14 10:15 ` Jaswinder Singh Rajput
2009-07-14 10:37 ` Jaswinder Singh Rajput
2009-07-14 10:52 ` Jaswinder Singh Rajput
2009-07-10 19:52 ` [GIT PULL] core kernel fixes Linus Torvalds
2009-07-10 20:02 ` Ingo Molnar
2009-07-10 20:36 ` [GIT PULL, v2] " Ingo Molnar
2009-07-13 14:52 ` Joerg Roedel [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-04-03 10:45 [GIT PULL] " Ingo Molnar
2015-02-06 18:28 Ingo Molnar
2012-10-23 10:57 Ingo Molnar
2012-08-03 16:31 Ingo Molnar
2012-08-03 16:55 ` Darren Hart
2012-08-03 17:01 ` Ingo Molnar
2012-08-03 17:24 ` Darren Hart
2012-06-15 18:45 Ingo Molnar
2012-01-26 18:05 Ingo Molnar
2011-08-04 20:45 Ingo Molnar
2011-04-02 10:21 Ingo Molnar
2011-03-25 12:52 Ingo Molnar
2011-01-21 2:11 Ingo Molnar
2011-01-15 15:15 Ingo Molnar
2010-10-05 19:12 Ingo Molnar
2010-10-05 20:15 ` Linus Torvalds
2010-10-05 21:09 ` Paul E. McKenney
2010-10-05 21:45 ` Linus Torvalds
2010-10-05 22:05 ` Paul E. McKenney
2010-10-06 2:56 ` Eric Dumazet
2010-10-06 4:59 ` Paul E. McKenney
2010-10-06 18:20 ` Ingo Molnar
2010-10-06 21:27 ` Paul E. McKenney
2010-10-07 8:11 ` Ingo Molnar
2010-10-07 17:42 ` Paul E. McKenney
2010-09-08 13:04 Ingo Molnar
2010-03-26 14:53 Ingo Molnar
2010-03-13 16:35 Ingo Molnar
2009-12-18 18:52 Ingo Molnar
2009-11-10 17:53 Ingo Molnar
2009-10-23 14:53 Ingo Molnar
2009-10-13 18:29 Ingo Molnar
2009-10-08 19:06 Ingo Molnar
2009-10-08 19:16 ` Linus Torvalds
2009-10-08 19:20 ` Ingo Molnar
2009-09-21 13:13 Ingo Molnar
2009-08-13 18:54 Ingo Molnar
2009-08-09 16:07 Ingo Molnar
2009-08-09 18:41 ` Darren Hart
2009-06-20 17:30 Ingo Molnar
2009-06-20 18:49 ` Linus Torvalds
2009-06-20 19:01 ` Linus Torvalds
2009-06-20 20:27 ` Ingo Molnar
2009-06-21 17:12 ` Thomas Gleixner
2009-06-21 17:37 ` Linus Torvalds
2009-06-21 17:57 ` Linus Torvalds
2009-06-21 19:26 ` Thomas Gleixner
2009-05-18 14:23 Ingo Molnar
2009-05-18 15:48 ` Linus Torvalds
2009-05-18 19:20 ` Thomas Gleixner
2009-05-19 20:52 ` Linus Torvalds
2009-05-19 21:45 ` Thomas Gleixner
2009-05-19 22:20 ` Darren Hart
2009-05-05 9:33 Ingo Molnar
2009-01-30 23:12 [git pull] " Ingo Molnar
2009-01-26 17:24 Ingo Molnar
2009-01-11 14:36 Ingo Molnar
2008-12-04 19:39 Ingo Molnar
2008-11-29 19:36 Ingo Molnar
2008-11-18 14:14 Ingo Molnar
2008-11-07 16:28 Ingo Molnar
2008-10-30 23:29 Ingo Molnar
2008-10-15 12:50 [git pull] core kernel updates for v2.6.28 Ingo Molnar
2008-10-16 22:32 ` Linus Torvalds
2008-10-17 6:23 ` [git pull] core kernel fixes Ingo Molnar
2008-08-28 11:44 Ingo Molnar
2008-08-18 18:35 Ingo Molnar
2008-07-24 15:13 Ingo Molnar
2008-06-30 15:32 Ingo Molnar
2008-06-30 17:02 ` Vegard Nossum
2008-06-30 18:20 ` Ingo Molnar
2008-06-30 18:43 ` Vegard Nossum
2008-06-30 19:46 ` Thomas Gleixner
2008-06-30 19:51 ` Vegard Nossum
2008-06-30 19:54 ` Thomas Gleixner
2008-06-23 19:45 Ingo Molnar
2008-06-19 15:16 Ingo Molnar
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