linux-kernel - Re: [PATCH] kthread: Implement park/unpark facility

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Message-ID: <873961pecx.fsf@rustcorp.com.au>
Date:	Tue, 12 Jun 2012 09:53:42 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Fenghua Yu <fenghua.yu@...el.com>, Ingo Molnar <mingo@...e.hu>,
	H Peter Anvin <hpa@...or.com>,
	Suresh B Siddha <suresh.b.siddha@...el.com>,
	Tony Luck <tony.luck@...el.com>,
	Asit K Mallick <asit.k.mallick@...el.com>,
	Arjan Dan De Ven <arjan@...ux.intel.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	x86 <x86@...nel.org>, linux-pm <linux-pm@...r.kernel.org>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Subject: Re: [PATCH] kthread: Implement park/unpark facility

On Mon, 11 Jun 2012 11:26:12 +0200 (CEST), Thomas Gleixner <tglx@...utronix.de> wrote:
> Makes sense. Will have a go on that.
> 
> One other thing what I'm thinking about is to avoid the synchronous
> parking mechanism, i.e. just tell the thread to park and check the
> park state later before going further down.

Yes, definitely a nice optimization, and should be pretty simple.

Thanks,
Rusty.
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