Re: [PATCH] Replace completions with semaphores

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From: Peter Zijlstra
Date: Monday, April 14, 2008 - 11:46 pm

On Tue, 2008-04-15 at 08:18 +0200, Bart Van Assche wrote:

Are the ramifications wrt priority inversion taught? Is it made clear
that its hard to validate because there is no clear resource owner?

Afaik, non of these subjects are touched upon in the CS-101 courses and
that is exactly the problem. So you can say they are not well know, they
are just widely misunderstood.

And yes, if there are more hand a very few such users it doesn't make
sense to keep them open coded.

--
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Messages in current thread:
[PATCH] Replace completions with semaphores, Matthew Wilcox, (Fri Apr 11, 2:00 pm)
Re: [PATCH] Replace completions with semaphores, Daniel Walker, (Fri Apr 11, 11:43 pm)
Re: [PATCH] Replace completions with semaphores, Ingo Oeser, (Sat Apr 12, 3:31 am)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Sat Apr 12, 5:24 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Sat Apr 12, 10:26 am)
Re: [PATCH] Replace completions with semaphores, Daniel Walker, (Sat Apr 12, 11:01 am)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Sat Apr 12, 11:05 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Sat Apr 12, 12:04 pm)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Sat Apr 12, 12:16 pm)
Re: [PATCH] Replace completions with semaphores, Roland Dreier, (Sat Apr 12, 12:53 pm)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Sat Apr 12, 1:47 pm)
Re: [PATCH] Replace completions with semaphores, Ingo Molnar, (Sun Apr 13, 12:05 am)
Re: [PATCH] Replace completions with semaphores, Ingo Molnar, (Sun Apr 13, 12:08 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Sun Apr 13, 5:52 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Sun Apr 13, 5:57 am)
Re: [PATCH] Replace completions with semaphores, Bart Van Assche, (Sun Apr 13, 6:55 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Sun Apr 13, 7:22 am)
Re: [PATCH] Replace completions with semaphores, Bart Van Assche, (Sun Apr 13, 7:55 am)
Re: [PATCH] Replace completions with semaphores, Ingo Molnar, (Mon Apr 14, 8:39 am)
Re: [PATCH] Replace completions with semaphores, Ingo Molnar, (Mon Apr 14, 8:41 am)
Re: [PATCH] Replace completions with semaphores, Roland Dreier, (Mon Apr 14, 8:58 am)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Mon Apr 14, 9:32 am)
Re: [PATCH] Replace completions with semaphores, Jens Axboe, (Mon Apr 14, 9:54 am)
Re: [PATCH] Replace completions with semaphores, Arjan van de Ven, (Mon Apr 14, 9:56 am)
Re: [PATCH] Replace completions with semaphores, Andi Kleen, (Mon Apr 14, 10:46 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Mon Apr 14, 10:46 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Mon Apr 14, 10:50 am)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Mon Apr 14, 10:54 am)
Re: [PATCH] Replace completions with semaphores, Daniel Walker, (Mon Apr 14, 11:09 am)
Re: [PATCH] Replace completions with semaphores, Andi Kleen, (Mon Apr 14, 12:16 pm)
Re: [PATCH] Replace completions with semaphores, Alan Cox, (Mon Apr 14, 12:16 pm)
Re: [PATCH] Replace completions with semaphores, Bart Van Assche, (Mon Apr 14, 11:18 pm)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Mon Apr 14, 11:46 pm)
Re: [PATCH] Replace completions with semaphores, Bart Van Assche, (Tue Apr 15, 12:17 am)
Re: [PATCH] Replace completions with semaphores, Peter Zijlstra, (Tue Apr 15, 1:44 am)
Re: [PATCH] Replace completions with semaphores, Bart Van Assche, (Tue Apr 15, 6:15 am)
Re: [PATCH] Replace completions with semaphores, Linus Torvalds, (Tue Apr 15, 9:09 am)
Re: [PATCH] Replace completions with semaphores, Andi Kleen, (Tue Apr 15, 9:27 am)
Re: [PATCH] Replace completions with semaphores, Linus Torvalds, (Tue Apr 15, 9:57 am)
Re: [PATCH] Replace completions with semaphores, Ingo Molnar, (Tue Apr 15, 10:05 am)
Re: [PATCH] Replace completions with semaphores, Andi Kleen, (Tue Apr 15, 10:15 am)
Re: [PATCH] Replace completions with semaphores, Linus Torvalds, (Tue Apr 15, 10:26 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Tue Apr 15, 10:41 am)
Re: [PATCH] Replace completions with semaphores, Linus Torvalds, (Tue Apr 15, 11:14 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Tue Apr 15, 11:50 am)
Re: [PATCH] Replace completions with semaphores, Ingo Molnar, (Wed Apr 16, 5:37 am)
Re: [PATCH] Replace completions with semaphores, Andi Kleen, (Wed Apr 16, 5:50 am)
Killable stat/readdir, Matthew Wilcox, (Wed Apr 16, 5:59 am)
Re: [PATCH] Replace completions with semaphores, Ingo Oeser, (Wed Apr 16, 9:07 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Wed Apr 16, 9:16 am)
Re: [PATCH] Replace completions with semaphores, Oliver Neukum, (Wed Apr 16, 9:31 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Wed Apr 16, 9:34 am)
Re: [PATCH] Replace completions with semaphores, Oliver Neukum, (Wed Apr 16, 9:42 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Wed Apr 16, 9:44 am)
Re: [PATCH] Replace completions with semaphores, Roland Dreier, (Wed Apr 16, 9:47 am)
Re: [PATCH] Replace completions with semaphores, Arjan van de Ven, (Wed Apr 16, 9:50 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Wed Apr 16, 9:58 am)
Re: [PATCH] Replace completions with semaphores, Arjan van de Ven, (Wed Apr 16, 10:08 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Wed Apr 16, 10:12 am)
Re: [PATCH] Replace completions with semaphores, Matthew Wilcox, (Wed Apr 16, 11:10 am)