Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource

[PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 01/41] arm64/sysreg: Add MPAMSM_EL1 register · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 02/41] KVM: arm64: Preserve host MPAM configuration when changing traps · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 03/41] KVM: arm64: Make MPAMSM_EL1 accesses UNDEF · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 04/41] arm64: mpam: Context switch the MPAM registers · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 04/41] arm64: mpam: Context switch the MPAM registers · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
[PATCH v4 05/41] arm64: mpam: Re-initialise MPAM regs when CPU comes online · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 05/41] arm64: mpam: Re-initialise MPAM regs when CPU comes online · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
[PATCH v4 06/41] arm64: mpam: Drop the CONFIG_EXPERT restriction · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 06/41] arm64: mpam: Drop the CONFIG_EXPERT restriction · Jonathan Cameron <jonathan.cameron@huawei.com> · 2026-02-05
Re: [PATCH v4 06/41] arm64: mpam: Drop the CONFIG_EXPERT restriction · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
[PATCH v4 07/41] arm64: mpam: Advertise the CPUs MPAM limits to the driver · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 08/41] arm64: mpam: Add cpu_pm notifier to restore MPAM sysregs · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 08/41] arm64: mpam: Add cpu_pm notifier to restore MPAM sysregs · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
[PATCH v4 09/41] arm64: mpam: Initialise and context switch the MPAMSM_EL1 register · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 09/41] arm64: mpam: Initialise and context switch the MPAMSM_EL1 register · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
[PATCH v4 10/41] arm64: mpam: Add helpers to change a task or cpu's MPAM PARTID/PMG values · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 10/41] arm64: mpam: Add helpers to change a task or cpu's MPAM PARTID/PMG values · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
[PATCH v4 11/41] KVM: arm64: Force guest EL1 to use user-space's partid configuration · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 12/41] KVM: arm64: Use kernel-space partid configuration for hypercalls · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 13/41] arm_mpam: resctrl: Add boilerplate cpuhp and domain allocation · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 13/41] arm_mpam: resctrl: Add boilerplate cpuhp and domain allocation · Reinette Chatre <reinette.chatre@intel.com> · 2026-02-10
Re: [PATCH v4 13/41] arm_mpam: resctrl: Add boilerplate cpuhp and domain allocation · Ben Horgan <ben.horgan@arm.com> · 2026-02-11
[PATCH v4 14/41] arm_mpam: resctrl: Sort the order of the domain lists · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 15/41] arm_mpam: resctrl: Pick the caches we will use as resctrl resources · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 15/41] arm_mpam: resctrl: Pick the caches we will use as resctrl resources · Reinette Chatre <reinette.chatre@intel.com> · 2026-02-10
Re: [PATCH v4 15/41] arm_mpam: resctrl: Pick the caches we will use as resctrl resources · Ben Horgan <ben.horgan@arm.com> · 2026-02-11
Re: [PATCH v4 15/41] arm_mpam: resctrl: Pick the caches we will use as resctrl resources · Reinette Chatre <reinette.chatre@intel.com> · 2026-02-12
[PATCH v4 16/41] arm_mpam: resctrl: Implement resctrl_arch_reset_all_ctrls() · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 16/41] arm_mpam: resctrl: Implement resctrl_arch_reset_all_ctrls() · Zeng Heng <hidden> · 2026-02-13
[PATCH v4 17/41] arm_mpam: resctrl: Add resctrl_arch_get_config() · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 18/41] arm_mpam: resctrl: Implement helpers to update configuration · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 18/41] arm_mpam: resctrl: Implement helpers to update configuration · Zeng Heng <hidden> · 2026-02-14
Re: [PATCH v4 18/41] arm_mpam: resctrl: Implement helpers to update configuration · Ben Horgan <ben.horgan@arm.com> · 2026-02-16
Re: [PATCH v4 18/41] arm_mpam: resctrl: Implement helpers to update configuration · Zeng Heng <hidden> · 2026-02-25
[PATCH v4 19/41] arm_mpam: resctrl: Add plumbing against arm64 task and cpu hooks · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 20/41] arm_mpam: resctrl: Add CDP emulation · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 20/41] arm_mpam: resctrl: Add CDP emulation · Fenghua Yu <fenghuay@nvidia.com> · 2026-02-09
Re: [PATCH v4 20/41] arm_mpam: resctrl: Add CDP emulation · Ben Horgan <ben.horgan@arm.com> · 2026-02-09
Re: [PATCH v4 20/41] arm_mpam: resctrl: Add CDP emulation · Ben Horgan <ben.horgan@arm.com> · 2026-02-11
[PATCH v4 21/41] arm_mpam: resctrl: Convert to/from MPAMs fixed-point formats · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 22/41] arm_mpam: resctrl: Add kunit test for control format conversions · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 23/41] arm_mpam: resctrl: Add rmid index helpers · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 24/41] arm_mpam: resctrl: Add kunit test for rmid idx conversions · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 25/41] arm_mpam: resctrl: Wait for cacheinfo to be ready · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Jonathan Cameron <jonathan.cameron@huawei.com> · 2026-02-05
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Zeng Heng <hidden> · 2026-02-13
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Ben Horgan <ben.horgan@arm.com> · 2026-02-16
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Ben Horgan <ben.horgan@arm.com> · 2026-02-18
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Reinette Chatre <reinette.chatre@intel.com> · 2026-02-18
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Zeng Heng <hidden> · 2026-02-25
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Ben Horgan <ben.horgan@arm.com> · 2026-02-18
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Shaopeng Tan (Fujitsu) <hidden> · 2026-02-10
Re: [PATCH v4 26/41] arm_mpam: resctrl: Add support for 'MB' resource · Ben Horgan <ben.horgan@arm.com> · 2026-02-18
[PATCH v4 27/41] arm_mpam: resctrl: Add support for csu counters · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 27/41] arm_mpam: resctrl: Add support for csu counters · Jonathan Cameron <jonathan.cameron@huawei.com> · 2026-02-05
[PATCH v4 28/41] arm_mpam: resctrl: Pick classes for use as mbm counters · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 28/41] arm_mpam: resctrl: Pick classes for use as mbm counters · Jonathan Cameron <jonathan.cameron@huawei.com> · 2026-02-05
[PATCH v4 29/41] arm_mpam: resctrl: Pre-allocate free running monitors · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 30/41] arm_mpam: resctrl: Allow resctrl to allocate monitors · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 31/41] arm_mpam: resctrl: Add resctrl_arch_rmid_read() and resctrl_arch_reset_rmid() · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 32/41] arm_mpam: resctrl: Update the rmid reallocation limit · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 33/41] arm_mpam: resctrl: Add empty definitions for assorted resctrl functions · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 34/41] arm64: mpam: Select ARCH_HAS_CPU_RESCTRL · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 35/41] arm_mpam: resctrl: Call resctrl_init() on platforms that can support resctrl · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 36/41] arm_mpam: Add quirk framework · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 37/41] arm_mpam: Add workaround for T241-MPAM-1 · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 38/41] arm_mpam: Add workaround for T241-MPAM-4 · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 38/41] arm_mpam: Add workaround for T241-MPAM-4 · Shaopeng Tan (Fujitsu) <hidden> · 2026-02-13
Re: [PATCH v4 38/41] arm_mpam: Add workaround for T241-MPAM-4 · Zeng Heng <hidden> · 2026-02-14
Re: [PATCH v4 38/41] arm_mpam: Add workaround for T241-MPAM-4 · Shaopeng Tan (Fujitsu) <hidden> · 2026-02-20
[PATCH v4 39/41] arm_mpam: Add workaround for T241-MPAM-6 · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 40/41] arm_mpam: Quirk CMN-650's CSU NRDY behaviour · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
[PATCH v4 41/41] arm64: mpam: Add initial MPAM documentation · Ben Horgan <ben.horgan@arm.com> · 2026-02-03
Re: [PATCH v4 41/41] arm64: mpam: Add initial MPAM documentation · Catalin Marinas <catalin.marinas@arm.com> · 2026-02-05
Re: [PATCH v4 41/41] arm64: mpam: Add initial MPAM documentation · Jonathan Cameron <jonathan.cameron@huawei.com> · 2026-02-05
Re: [PATCH v4 41/41] arm64: mpam: Add initial MPAM documentation · Ben Horgan <ben.horgan@arm.com> · 2026-02-18
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Shaopeng Tan (Fujitsu) <hidden> · 2026-02-09
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-09
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-12
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Shaopeng Tan (Fujitsu) <hidden> · 2026-02-13
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Zeng Heng <hidden> · 2026-02-14
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-16
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Zeng Heng <hidden> · 2026-02-24
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-24
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-24
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Ben Horgan <ben.horgan@arm.com> · 2026-02-24
Re: [PATCH v4 00/41] arm_mpam: Add KVM/arm64 and resctrl glue code · Zeng Heng <hidden> · 2026-02-26

From: Reinette Chatre <reinette.chatre@intel.com>
Date: 2026-02-18 17:17:13
Also in: kvmarm, linux-doc, lkml


On 2/18/26 8:22 AM, Ben Horgan wrote:

Fenghua gave a talk at LPC on supporting cpu-less numa nodes in resctrl
so is likely to have some patches/ideas around measuring bandwidth at
memory controllers.

One idea on how to accommodate this from resctrl side:
https://lore.kernel.org/lkml/fb1e2686-237b-4536-acd6-15159abafcba@intel.com/ (local)

Reinette

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