linux-kernel - Re: [Ksummit-discuss] [CORE TOPIC] lightweight per-cpu locks / restartable sequences

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Message-ID: <CAJhGHyA0m-LEBKMo5CgVun54zOFBpuJBU8LKyTy+-HwKZaEiPQ@mail.gmail.com>
Date:	Wed, 22 Jul 2015 22:03:30 +0800
From:	Lai Jiangshan <jiangshanlai@...il.com>
To:	Chris Mason <clm@...com>, Andy Lutomirski <luto@...capital.net>,
	"ksummit-discuss@...ts.linuxfoundation.org" 
	<ksummit-discuss@...ts.linuxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Jens Axboe <axboe@...com>, Shaohua Li <shli@...com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [Ksummit-discuss] [CORE TOPIC] lightweight per-cpu locks /
 restartable sequences

On Fri, Jul 10, 2015 at 3:09 AM, Chris Mason <clm@...com> wrote:

>
> We've started experimenting with these to cut overheads in a few
> critical places, and while we don't have numbers yet I really hope it
> won't take too long.
>
> I think the topic is really interesting and we'll be able to get numbers
> from production workloads to help justify and compare different
> approaches.
>

I was interested by the idea since Paul(paulmck) and Mathieu introduced
it to me at the K.S. 2013.  I didn't expect it is re-posted on LKML so late.
IMHO, the direction is useful and helpful not just only fun, I hope we can make
some progress on it.

Thanks
Lai

> -chris
> _______________________________________________
> Ksummit-discuss mailing list
> Ksummit-discuss@...ts.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/ksummit-discuss
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