Re: [PATCH v11 3/5] arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
From: Stefano Stabellini
Date: Fri Nov 20 2015 - 09:40:57 EST
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@xxxxxxxxxxxxx>
> >>> Acked-by: Christopher Covington <cov@xxxxxxxxxxxxxx>
> >>> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> >>> CC: linux@xxxxxxxxxxxxxxxx
> >>> CC: will.deacon@xxxxxxx
> >>> CC: nico@xxxxxxxxxx
> >>> CC: marc.zyngier@xxxxxxx
> >>> CC: cov@xxxxxxxxxxxxxx
> >>> CC: arnd@xxxxxxxx
> >>> CC: olof@xxxxxxxxx
> >>
> >>
> >> 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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