linux-kernel - Re: [PATCH 09/35] tick/xen: Provide and use tick_resume

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Message-ID: <54E21CB2.1090108@citrix.com>
Date:	Mon, 16 Feb 2015 16:37:06 +0000
From:	David Vrabel <david.vrabel@...rix.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	<linux-kernel@...r.kernel.org>, <mingo@...nel.org>,
	<rjw@...ysocki.net>
CC:	<tglx@...utronix.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [PATCH 09/35] tick/xen: Provide and use tick_resume_local()

On 16/02/15 12:14, Peter Zijlstra wrote:
> 
> From: Thomas Gleixner <tglx@...utronix.de>
> 
> Xen calls on every cpu into tick_resume() which is just
> wrong. tick_resume() is for the syscore global suspend/resume
> invocation. What XEN really wants is a per cpu local resume function,
> but yes, its simpler to just use something which works by chance and
> let those who want to change that code deal with the fallout.
> 
> Provide a tick_resume_local() function and use it in XEN.

Acked-by: David Vrabel <david.vrabel@...rix.com>

David
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