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"linux-arm-kernel" X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Jinjie, On 10/22/26 6:23 PM, Jinjie Ruan wrote: > > > 在 2026/9/1 1:22, Fenghua Yu 写道: >> This series enables MBA bandwidth control emulation on ARM MPAM when the >> default MB control is disabled, using a node-scoped MB_NODE control as >> the native backend. It extends memory-bandwidth monitoring and > > Hi everyone, > > We also have the requirement for the MPAM node-scoped MB_NODE control. > Are there any follow-up plans for this feature? > > Is there anything I can help with? > ... >> >> Apply the patches on top of [2]. >> ... >> >> This series is in https://github.com/fyu1/linux/ cpu_less.rfc.v2/ >> which is on top of [2]. >> ... >> >> [1] [RFC v2] mpam,x86,fs/resctrl: Generic schema description Proof of Concept https://lore.kernel.org/lkml/d258a32f-12d5-464d-abe9-4720fb3e44b3@intel.com/ >> [2] Reinette's resctrl control branch RFC v2: git://git.kernel.org/pub/scm/linux/kernel/git/reinette/linux.git branch resctrl/controls_rfc_v2.4 >> This work depends on [2] around which I believe all discussions have now settled with the planned changes shared during LPC: https://lpc.events/event/20/contributions/2368/attachments/2066/4625/resctrl_2026_combined.pdf Please note, as highlighted in https://lore.kernel.org/lkml/9d2f589a-7d10-44ee-a7a4-7d75d860e988@arm.com/ as well as the LPC presentation, that the support for MB_NODE is planned to look different from what is presented in this RFC. Upstreaming of [2] started with two series currently outstanding: "x86,fs/resctrl: Cleanups in preparation for multiple controls support" https://lore.kernel.org/lkml/cover.1791406459.git.reinette.chatre@intel.com/ "arm_mpam: resctrl: Separate MPAM domains" https://lore.kernel.org/lkml/cover.1792443633.git.reinette.chatre@intel.com/ I see that you already started to take a look at the MPAM changes. That is much appreciated. Any reviews are much appreciated. Once the above two outstanding series land I will work on the next batch of the foundational work on which the MB_NODE support can be created. Reinette