Re: [tip:core/locking] x86/smp: Move waiting on contended ticket lock out of line
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- Subject: Re: [tip:core/locking] x86/smp: Move waiting on contended ticket lock out of line
- From: Ingo Molnar <mingo@xxxxxxxxxx>
- Date: Thu, 14 Feb 2013 11:43:53 +0100
- Cc: Rik van Riel <riel@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, aquini@xxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Michel Lespinasse <walken@xxxxxxxxxx>, linux-tip-commits@xxxxxxxxxxxxxxx, Steven Rostedt <rostedt@xxxxxxxxxxx>
- In-reply-to: <CA+55aFws80EEJQskqiP+a5J-HOGu=M1Fe=uCs50ifedVxPxT1Q@mail.gmail.com>
- User-agent: Mutt/1.5.21 (2010-09-15)
* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> > Eric got a 45% increase in network throughput, and I saw a
> > factor 4x or so improvement with the semaphore test. I
> > realize these are not "real workloads", and I will give you
> > numbers with those once I have gathered some, on different
> > systems.
>
> Good. This is what I want to see.
I've put these commits aside meanwhile, until we have the
numbers and decide one way or another.
Thanks,
Ingo
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