linux-kernel - Re: [PATCH v8 0/4] qrwlock: Introducing a queue read/write lock implementation

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Message-ID: <52D01300.60408@hp.com>
Date:	Fri, 10 Jan 2014 10:34:24 -0500
From:	Waiman Long <waiman.long@...com>
To:	paulmck@...ux.vnet.ibm.com
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>,
	linux-arch@...r.kernel.org, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michel Lespinasse <walken@...gle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Rik van Riel <riel@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
	George Spelvin <linux@...izon.com>,
	Tim Chen <tim.c.chen@...ux.intel.com>, "" <aswin@...com>,
	Scott J Norton <scott.norton@...com>
Subject: Re: [PATCH v8 0/4] qrwlock: Introducing a queue read/write lock implementation

On 01/10/2014 01:42 AM, Paul E. McKenney wrote:
> On Wed, Jan 08, 2014 at 11:59:32AM -0500, Waiman Long wrote:
>> v7->v8:
>>   - Use atomic_t functions (which are implemented in all arch's) to
>>     modify reader counts.
>>   - Use smp_load_acquire()&  smp_store_release() for barriers.
>>   - Further tuning in slowpath performance.
> This version looks good to me.  You now have my Reviewed-by on all
> the patches.
>
> 							Thanx, Paul

Thank for your review!

-Longman
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