linux-kernel - Re: [RFC -v9 0/4] Lock-less list

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Message-ID: <1293093079.8743.179.camel@yhuang-dev>
Date:	Thu, 23 Dec 2010 16:31:19 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	"Valdis.Kletnieks@...edu" <Valdis.Kletnieks@...edu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [RFC -v9 0/4] Lock-less list

Hi, Valdis,

Thanks for your comments.

On Thu, 2010-12-23 at 14:05 +0800, Valdis.Kletnieks@...edu wrote:
> On Thu, 23 Dec 2010 13:43:19 +0800, Huang Ying said:
> > Add a lock-less NULL-terminated linked list implementation.  And use
> > that in irq_work and replace net/rds/xlist.h.
> 
> A quick overview of the code looks mostly sane.  What I don't see is
> an explanation of *why* this is being added.  What benefits does it
> have over the current code?  Is it faster? Smaller?  Simply getting rid
> of near-duplicate versions in rds and irq_work? Something else?

The code is almost same.  Just to avoid code duplicating, provide better
document, and make it easier for future users.

Best Regards,
Huang Ying



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