Re: [PATCH v4 0/3] qspinlock: Introducing a 4-byte queue spinlock

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To: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Subject: Re: [PATCH v4 0/3] qspinlock: Introducing a 4-byte queue spinlock
From: "H. Peter Anvin" <hpa@xxxxxxxxx>
Date: Mon, 17 Feb 2014 23:39:50 -0800
Cc: Waiman Long <Waiman.Long@xxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, linux-arch@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Steven Rostedt <rostedt@xxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Michel Lespinasse <walken@xxxxxxxxxx>, Andi Kleen <andi@xxxxxxxxxxxxxx>, Rik van Riel <riel@xxxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>, George Spelvin <linux@xxxxxxxxxxx>, Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>, Daniel J Blueman <daniel@xxxxxxxxxxxxx>, Alexander Fyodorov <halcy@xxxxxxxxx>, Aswin Chandramouleeswaran <aswin@xxxxxx>, Scott J Norton <scott.norton@xxxxxx>, Thavatchai Makphaibulchoke <thavatchai.makpahibulchoke@xxxxxx>
In-reply-to: <20140218073111.GW27965@twins.programming.kicks-ass.net>
List-id: <linux-arch.vger.kernel.org>
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On 02/17/2014 11:31 PM, Peter Zijlstra wrote:
>>
>> This is starting to look good, so I have pulled it into
>> tip:x86/spinlocks to start give it some testing mileage.
> 
> It very much needs paravirt muck before we can even consider it.
> 

Ah yes.  Joy ... I so love PV.

	-hpa

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References:
- [PATCH v4 0/3] qspinlock: Introducing a 4-byte queue spinlock
  - From: Waiman Long
- Re: [PATCH v4 0/3] qspinlock: Introducing a 4-byte queue spinlock
  - From: H. Peter Anvin
- Re: [PATCH v4 0/3] qspinlock: Introducing a 4-byte queue spinlock
  - From: Peter Zijlstra

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