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Re: [RFC PATCH] Fair low-latency rwlock v5

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From: Peter Zijlstra <peterz@...>
To: Mathieu Desnoyers <mathieu.desnoyers@...>
Cc: Linus Torvalds <torvalds@...>, H. Peter Anvin <hpa@...>, Jeremy Fitzhardinge <jeremy@...>, Andrew Morton <akpm@...>, Ingo Molnar <mingo@...>, Joe Perches <joe@...>, Paul E. McKenney <paulmck@...>, <linux-kernel@...>
Subject: Re: [RFC PATCH] Fair low-latency rwlock v5
Date: Monday, August 25, 2008 - 3:20 pm

On Sun, 2008-08-17 at 15:10 -0400, Mathieu Desnoyers wrote:


New lock types should come with lockdep support.

Also, if you're serious about -rt, you'll need to consider full PI.

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[PATCH] x86_64 : support atomic ops with 64 bits integer val..., Mathieu Desnoyers, (Sat Aug 16, 3:39 am)
Re: [PATCH] x86_64 : support atomic ops with 64 bits integer..., H. Peter Anvin, (Sat Aug 16, 11:04 am)
Re: [PATCH] x86_64 : support atomic ops with 64 bits integer..., Mathieu Desnoyers, (Sat Aug 16, 11:43 am)
Re: [PATCH] x86_64 : support atomic ops with 64 bits integer..., Linus Torvalds, (Sat Aug 16, 1:30 pm)
[RFC PATCH] Fair rwlock, Mathieu Desnoyers, (Sat Aug 16, 5:19 pm)
Re: [RFC PATCH] Fair rwlock, Linus Torvalds, (Sat Aug 16, 5:33 pm)
[RFC PATCH] Fair low-latency rwlock v3, Mathieu Desnoyers, (Sun Aug 17, 3:53 am)
Re: [RFC PATCH] Fair low-latency rwlock v3, Linus Torvalds, (Sun Aug 17, 12:17 pm)
[RFC PATCH] Fair low-latency rwlock v5, Mathieu Desnoyers, (Sun Aug 17, 3:10 pm)
Re: [RFC PATCH] Fair low-latency rwlock v5, Peter Zijlstra, (Mon Aug 25, 3:20 pm)
Re: [RFC PATCH] Fair low-latency rwlock v5, Paul E. McKenney, (Mon Aug 18, 7:25 pm)
Re: [RFC PATCH] Fair low-latency rwlock v5, Mathieu Desnoyers, (Tue Aug 19, 2:04 am)
Re: [RFC PATCH] Fair low-latency rwlock v5, Mathieu Desnoyers, (Tue Aug 19, 3:33 am)
Re: [RFC PATCH] Fair low-latency rwlock v5, Linus Torvalds, (Tue Aug 19, 12:48 pm)
[RFC PATCH] Writer-biased low-latency rwlock v8, Mathieu Desnoyers, (Thu Aug 21, 4:50 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Linus Torvalds, (Thu Aug 21, 5:00 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, H. Peter Anvin, (Thu Aug 21, 5:26 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Linus Torvalds, (Thu Aug 21, 5:41 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Linus Torvalds, (Thu Aug 21, 5:15 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Mathieu Desnoyers, (Sat Aug 23, 1:09 am)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Linus Torvalds, (Sat Aug 23, 2:02 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Mathieu Desnoyers, (Sat Aug 23, 4:30 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Linus Torvalds, (Sat Aug 23, 5:40 pm)
Re: [RFC PATCH] Writer-biased low-latency rwlock v8, Linus Torvalds, (Thu Aug 21, 6:22 pm)
Re: [RFC PATCH] Fair low-latency rwlock v5, Mathieu Desnoyers, (Tue Aug 19, 5:06 am)
Re: [RFC PATCH] Fair low-latency rwlock v5, Linus Torvalds, (Mon Aug 18, 2:59 pm)
Re: [RFC PATCH] Fair low-latency rwlock v5 (updated benchmar..., Mathieu Desnoyers, (Sun Aug 17, 5:30 pm)