linux-kernel - Re: [PATCH v11 4/5] arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time

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Message-ID: <20151117172914.GL30101@arm.com>
Date:	Tue, 17 Nov 2015 17:29:15 +0000
From:	Will Deacon <will.deacon@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, konrad.wilk@...cle.com,
	marc.zyngier@....com, Ian.Campbell@...rix.com,
	linux@....linux.org.uk, olof@...om.net, arnd@...db.de,
	catalin.marinas@....com, nico@...aro.org, cov@...eaurora.org
Subject: Re: [PATCH v11 4/5] arm64: introduce CONFIG_PARAVIRT,
 PARAVIRT_TIME_ACCOUNTING and pv_time_ops

On Tue, Nov 10, 2015 at 02:11:38PM +0000, Stefano Stabellini wrote:
> On Thu, 5 Nov 2015, 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>
> > Acked-by: Marc Zyngier <marc.zyngier@....com>
> 
> Ping?
> 
> Catalin, Will,
> are you happy with this change?

I'm happy if Marc's happy. Marc?

Will
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