Re: [RFC PATCH 0/2] ipc: do not hold ipc lock more than necessary
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- Subject: Re: [RFC PATCH 0/2] ipc: do not hold ipc lock more than necessary
- From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 1 Mar 2013 17:35:29 -0800
- Cc: Rik van Riel <riel@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, "Vinod, Chegu" <chegu_vinod@xxxxxx>, "Low, Jason" <jason.low2@xxxxxx>, linux-tip-commits@xxxxxxxxxxxxxxx, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, aquini@xxxxxxxxxx, Michel Lespinasse <walken@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Larry Woodman <lwoodman@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
- In-reply-to: <CA+55aFwNoK+Bt07s-fnxRSPHy3Cqq6yZtGP+B2ingxEnkArhVQ@mail.gmail.com>
On Fri, Mar 1, 2013 at 5:32 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, Mar 1, 2013 at 4:16 PM, Davidlohr Bueso <davidlohr.bueso@xxxxxx> wrote:
>>
>> With Rik's semop-multi.c microbenchmark we can see the following
>> results:
>
> Ok, that certainly looks very good.
Side note: it's fairly late in the merge window, and I don't feel
comfy merging this without more testing and more people looking at it,
so I think this is a 3.10 thing. But it would be great to see ipc
people really look at the patches, and perhaps run a few real loads to
see if it's even noticeable in practice..
Linus
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