linux-kernel - Re: [RFC] Implement Batched (group) ticket lock

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Message-ID: <alpine.DEB.2.10.1405290025450.3952@nanos>
Date:	Thu, 29 May 2014 00:29:03 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Rik van Riel <riel@...hat.com>,
	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...hat.com>, Peter Anvin <hpa@...or.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Gleb Natapov <gleb@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Waiman Long <waiman.long@...com>,
	Dave Jones <davej@...hat.com>, Oleg Nesterov <oleg@...hat.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Jason Wang <jasowang@...hat.com>, fernando_b1@....ntt.co.jp,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>,
	virtualization <virtualization@...ts.linux-foundation.org>,
	xen-devel@...ts.xenproject.org,
	Marcelo Tosatti <mtosatti@...hat.com>,
	"Vinod, Chegu" <chegu_vinod@...com>
Subject: Re: [RFC] Implement Batched (group) ticket lock

On Wed, 28 May 2014, Linus Torvalds wrote:
> 
> If somebody has a P4 still, that's likely the worst case by far.

I do, but I'm only using it during winter and only if the ia64 machine
does not provide sufficient heating. So you have to wait at least half
a year until I'm able to test it.
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