linux-kernel - Re: [PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time

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Message-ID: <alpine.DEB.2.02.1511201439280.1107@kaball.uk.xensource.com>
Date:	Fri, 20 Nov 2015 14:40:31 +0000
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	<linux@....linux.org.uk>
CC:	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<xen-devel@...ts.xensource.com>, <linux-kernel@...r.kernel.org>,
	<konrad.wilk@...cle.com>, <marc.zyngier@....com>,
	<will.deacon@....com>, Ian Campbell <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 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING
 and pv_time_ops

On Fri, 20 Nov 2015, Christopher Covington wrote:
> Hi Stefano,
> 
> On 11/20/2015 09:31 AM, Stefano Stabellini wrote:
> > On Tue, 10 Nov 2015, Stefano Stabellini wrote:
> >> On Thu, 5 Nov 2015, Stefano Stabellini wrote:
> >>> Introduce CONFIG_PARAVIRT and PARAVIRT_TIME_ACCOUNTING on 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: Christopher Covington <cov@...eaurora.org>
> >>> Acked-by: Ian Campbell <ian.campbell@...rix.com>
> >>> CC: linux@....linux.org.uk
> >>> CC: will.deacon@....com
> >>> CC: nico@...aro.org
> >>> CC: marc.zyngier@....com
> >>> CC: cov@...eaurora.org
> >>> CC: arnd@...db.de
> >>> CC: olof@...om.net
> >>
> >>
> >> Russell,
> >> are you OK with this patch?
> > 
> > Russell,
> > 
> > I am going to drop this patch and add a small #ifdef to
> > arch/arm/xen/enlighten.c to be able to use this functionality on arm64.
> > 
> > If you change your mind let me know.
> 
> It appears to me as though he's not copied on this message.

He was. He is now in To:.
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