Messages in this thread | | | Date | Tue, 25 Mar 2014 11:48:31 +0000 | From | Marc Zyngier <> | Subject | Re: [PATCH v9 4/5] arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops |
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On 25/03/14 11:19, Stefano Stabellini wrote: > On Mon, 17 Feb 2014, Catalin Marinas wrote: >> On Mon, Feb 17, 2014 at 12:25:42PM +0000, Stefano Stabellini wrote: >>> On Thu, 9 Jan 2014, 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@eu.citrix.com> >>>> CC: will.deacon@arm.com >>>> CC: nico@linaro.org >>>> CC: marc.zyngier@arm.com >>>> CC: cov@codeaurora.org >>>> CC: arnd@arndb.de >>>> CC: olof@lixom.net >>>> CC: Catalin.Marinas@arm.com >>> >>> Catalin, Will, are you happy with this patch for 3.15? >> >> It's pretty small and looks fine to me. However, I would like someone >> with more virtualisation experience than me to ack it (e.g. Marc Z). > > Ping? Marc, could you please give it a review?
Yup, that looks OK to me. It's a generic feature anyway, so I don't see any harm in enabling it for Xen. We may also use it for KVM at some point.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
M. -- Jazz is not dead. It just smells funny...
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