Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq

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From: Linus Torvalds

Subject: Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq

Date: Monday, July 16, 2007 - 1:23 pm

On Mon, 16 Jul 2007, Paul E. McKenney wrote:
quoted text>
> On Wed, Jun 27, 2007 at 03:36:34PM -0400, Steven Rostedt wrote:
> > I believe this was originally done by Dipankar Sarma. I pulled these
> > changes from the -rt kernel.
> > 
> > For better preformance, RCU should use a softirq instead of a
> > tasklet.
> 
> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> 
> Tested with both kernbench and rcutorture on i386, x86_64, and ppc64.

Btw, are there any numbers on this? Is this whole thing actually 
noticeable?

		Linus
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Messages in current thread:

[RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Steven Rostedt, (Wed Jun 27, 12:36 pm)

Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Paul E. McKenney, (Mon Jul 16, 1:12 pm)

Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Linus Torvalds, (Mon Jul 16, 1:23 pm)

Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Steven Rostedt, (Mon Jul 16, 1:44 pm)

Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Ingo Molnar, (Mon Jul 16, 1:48 pm)

Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Ingo Molnar, (Mon Jul 16, 1:53 pm)

Re: [RFC PATCH 1/8] Convert the RCU tasklet into a softirq, Paul E. McKenney, (Mon Jul 16, 7:11 pm)


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