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

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Message-ID: <564F2FD0.6040905@codeaurora.org>
Date:	Fri, 20 Nov 2015 09:36:00 -0500
From:	Christopher Covington <cov@...eaurora.org>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
CC:	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
Subject: Re: [PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT,
 PARAVIRT_TIME_ACCOUNTING and pv_time_ops

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.

Regards,
Christopher Covington

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