On Fri, 3 Sept 2021 at 08:05, wangyanan (Y) <wangyana...@huawei.com> wrote: > > > On 2021/9/2 23:56, Peter Maydell wrote: > > On Tue, 24 Aug 2021 at 13:20, Yanan Wang <wangyana...@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-wangyana...@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 ? > > > Yes, it was based on the -smp parsing changes in [1] which hasn't been > picked yet. Given that [1] somehow affects the topology parsing results > which we will describe to guest, I think it may be better that [1] can be > merged first and then this series follows.
OK. I'll ignore this for now; please resend once that other series has been accepted. thanks -- PMM
