[PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops

Stefano Stabellini stefano.stabellini at eu.citrix.com
Fri Nov 20 06:40:31 PST 2015


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 at eu.citrix.com>
> >>> Acked-by: Christopher Covington <cov at codeaurora.org>
> >>> Acked-by: Ian Campbell <ian.campbell at citrix.com>
> >>> CC: linux at arm.linux.org.uk
> >>> CC: will.deacon at arm.com
> >>> CC: nico at linaro.org
> >>> CC: marc.zyngier at arm.com
> >>> CC: cov at codeaurora.org
> >>> CC: arnd at arndb.de
> >>> CC: olof at lixom.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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