Re: [PATCH v6 0/5] hw/arm/virt: Introduce cpu topology support

[Peter Maydell]

On Tue, 24 Aug 2021 at 13:20, Yanan Wang <wangyanan55@huawei.com> wrote:
>
> This new version is based on patch series [1] which introduces some
> fix and improvement for smp parsing.
>
> Description:
> Once the view of an accurate virtual cpu topology is provided to guest,
> with a well-designed vCPU pinning to the pCPU we may get a huge benefit,
> e.g., the scheduling performance improvement. See Dario Faggioli's
> research and the related performance tests in [2] for reference.
>
> This patch series introduces cpu topology support for ARM platform.
> Both cpu-map in DT and ACPI PPTT table are introduced to store the
> topology information. And we only describe the topology information
> to 6.2 and newer virt machines, considering compatibility.
>
> patches not yet reviewed: #1 and #3.
>
> [1] 
> https://lore.kernel.org/qemu-devel/20210823122804.7692-1-wangyanan55@huawei.com/
> [2] 
> https://kvmforum2020.sched.com/event/eE1y/virtual-topology-for-virtual-machines
> -friend-or-foe-dario-faggioli-suse


Hi; this series doesn't apply to current head-of-git. Is it
intended to be based on some other series ?

thanks
-- PMM