linux-kernel - Re: [PATCH v9 4/5] arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time

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Message-ID: <20140110170005.GH925@arm.com>
Date:	Fri, 10 Jan 2014 17:00:06 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Will Deacon <Will.Deacon@....com>,
	"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"olof@...om.net" <olof@...om.net>, "arnd@...db.de" <arnd@...db.de>,
	"nico@...aro.org" <nico@...aro.org>,
	"cov@...eaurora.org" <cov@...eaurora.org>
Subject: Re: [PATCH v9 4/5] arm64: introduce CONFIG_PARAVIRT,
 PARAVIRT_TIME_ACCOUNTING and pv_time_ops

On Thu, Jan 09, 2014 at 06:32:15PM +0000, Stefano Stabellini wrote:
> Introduce CONFIG_PARAVIRT and PARAVIRT_TIME_ACCOUNTING on ARM64.
> Necessary duplication of paravirt.h and paravirt.c with ARM.
> 
> The only paravirt interface supported is pv_time_ops.steal_clock, so no
> runtime pvops patching needed.
> 
> This allows us to make use of steal_account_process_tick for stolen
> ticks accounting.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> CC: will.deacon@....com
> CC: nico@...aro.org
> CC: marc.zyngier@....com
> CC: cov@...eaurora.org
> CC: arnd@...db.de
> CC: olof@...om.net
> CC: Catalin.Marinas@....com

Acked-by: Catalin Marinas <catalin.marinas@....com>
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