[linux-nvidia-6.18-next] July UNSAUCE#494

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ltrager wants to merge 407 commits into

NVIDIA:linux-nvidia-6.18-nextfrom

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Commits on Jul 8, 2026

arm_mpam: Add kunit tests for props_mismatch()

James Morse
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ltrager
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MAINTAINERS: new entry for MPAM Driver

benhor01
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ltrager
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x86,fs/resctrl: Improve domain type checking

aegl
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x86/resctrl: Move L3 initialization into new helper function

aegl
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x86/resctrl: Refactor domain_remove_cpu_mon() ready for new domain types

aegl
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x86/resctrl: Clean up domain_remove_cpu_ctrl()

aegl
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x86,fs/resctrl: Refactor domain create/remove using struct rdt_domain_hdr

aegl
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fs/resctrl: Split L3 dependent parts out of __mon_event_count()

aegl
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x86,fs/resctrl: Use struct rdt_domain_hdr when reading counters

aegl
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x86,fs/resctrl: Rename struct rdt_mon_domain and rdt_hw_mon_domain

aegl
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x86,fs/resctrl: Rename some L3 specific functions

aegl
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fs/resctrl: Make event details accessible to functions when reading events

aegl
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x86,fs/resctrl: Handle events that can be read from any CPU

aegl
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x86,fs/resctrl: Support binary fixed point event counters

aegl
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x86,fs/resctrl: Add an architectural hook called for first mount

aegl
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x86,fs/resctrl: Add and initialize a resource for package scope monitoring

aegl
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fs/resctrl: Emphasize that L3 monitoring resource is required for summing domains

aegl
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x86/resctrl: Discover hardware telemetry events

aegl
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x86,fs/resctrl: Fill in details of events for performance and energy GUIDs

aegl
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x86,fs/resctrl: Add architectural event pointer

aegl
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x86/resctrl: Find and enable usable telemetry events

aegl
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x86/resctrl: Read telemetry events

aegl
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fs/resctrl: Refactor mkdir_mondata_subdir()

aegl
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fs/resctrl: Refactor rmdir_mondata_subdir_allrdtgrp()

aegl
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x86,fs/resctrl: Handle domain creation/deletion for RDT_RESOURCE_PERF_PKG

aegl
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x86/resctrl: Add energy/perf choices to rdt boot option

aegl
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x86/resctrl: Handle number of RMIDs supported by RDT_RESOURCE_PERF_PKG

aegl
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fs/resctrl: Move allocation/free of closid_num_dirty_rmid[]

aegl
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x86,fs/resctrl: Compute number of RMIDs as minimum across resources

aegl
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fs/resctrl: Move RMID initialization to first mount

aegl
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x86/resctrl: Enable RDT_RESOURCE_PERF_PKG

aegl
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x86,fs/resctrl: Update documentation for telemetry events

aegl
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arm_mpam: Ensure in_reset_state is false after applying configuration

henryZe
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arm_mpam: Reset when feature configuration bit unset

benhor01
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arm64/sysreg: Add MPAMSM_EL1 register

benhor01
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KVM: arm64: Preserve host MPAM configuration when changing traps

benhor01
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KVM: arm64: Make MPAMSM_EL1 accesses UNDEF

benhor01
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arm64: mpam: Context switch the MPAM registers

James Morse
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arm64: mpam: Re-initialise MPAM regs when CPU comes online

James Morse
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arm64: mpam: Drop the CONFIG_EXPERT restriction

benhor01
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arm64: mpam: Advertise the CPUs MPAM limits to the driver

James Morse
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arm64: mpam: Add cpu_pm notifier to restore MPAM sysregs

James Morse
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arm64: mpam: Initialise and context switch the MPAMSM_EL1 register

benhor01
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arm64: mpam: Add helpers to change a task or cpu's MPAM PARTID/PMG values

James Morse
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KVM: arm64: Force guest EL1 to use user-space's partid configuration

James Morse
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arm_mpam: resctrl: Add boilerplate cpuhp and domain allocation

James Morse
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arm_mpam: resctrl: Pick the caches we will use as resctrl resources

James Morse
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arm_mpam: resctrl: Implement resctrl_arch_reset_all_ctrls()

James Morse
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arm_mpam: resctrl: Add resctrl_arch_get_config()

James Morse
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arm_mpam: resctrl: Implement helpers to update configuration

James Morse
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arm_mpam: resctrl: Add plumbing against arm64 task and cpu hooks

James Morse
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arm_mpam: resctrl: Add CDP emulation

James Morse
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arm_mpam: resctrl: Hide CDP emulation behind CONFIG_EXPERT

benhor01
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arm_mpam: resctrl: Convert to/from MPAMs fixed-point formats

Dave Martin
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arm_mpam: resctrl: Add rmid index helpers

benhor01
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arm_mpam: resctrl: Wait for cacheinfo to be ready

benhor01
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arm_mpam: resctrl: Add support for 'MB' resource

James Morse
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arm_mpam: resctrl: Add kunit test for control format conversions

Dave Martin
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arm_mpam: resctrl: Add monitor initialisation and domain boilerplate

benhor01
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arm_mpam: resctrl: Add support for csu counters

James Morse
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arm_mpam: resctrl: Allow resctrl to allocate monitors

James Morse
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arm_mpam: resctrl: Add resctrl_arch_rmid_read()

James Morse
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arm_mpam: resctrl: Update the rmid reallocation limit

James Morse
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arm_mpam: resctrl: Add empty definitions for assorted resctrl functions

James Morse
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arm64: mpam: Select ARCH_HAS_CPU_RESCTRL

James Morse
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arm_mpam: resctrl: Call resctrl_init() on platforms that can support resctrl

James Morse
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arm_mpam: Add quirk framework

shankerd04
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arm_mpam: Add workaround for T241-MPAM-1

shankerd04
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arm_mpam: Add workaround for T241-MPAM-4

shankerd04
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arm_mpam: Add workaround for T241-MPAM-6

shankerd04
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arm_mpam: Quirk CMN-650's CSU NRDY behaviour

James Morse
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arm64: mpam: Add initial MPAM documentation

benhor01
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mm: change ghes code to allow poison of non-struct pfn

ankita-nv
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mm: handle poisoning of pfn without struct pages

ankita-nv
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PCI/P2PDMA: Separate the mmap() support from the core logic

rleon
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ltrager
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PCI/P2PDMA: Simplify bus address mapping API

rleon
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PCI/P2PDMA: Refactor to separate core P2P functionality from memory allocation

rleon
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PCI/P2PDMA: Provide an access to pci_p2pdma_map_type() function

rleon
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PCI/P2PDMA: Document DMABUF model

jgunthorpe
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dma-buf: provide phys_vec to scatter-gather mapping routine

rleon
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vfio: Export vfio device get and put registration helpers

vivekkreddy
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vfio/pci: Share the core device pointer while invoking feature functions

vivekkreddy
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vfio/pci: Enable peer-to-peer DMA transactions by default

rleon
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vfio/pci: Add dma-buf export support for MMIO regions

rleon
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vfio/nvgrace: Support get_dmabuf_phys

jgunthorpe
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vfio/pci: Add vfio_pci_dma_buf_iommufd_map()

jgunthorpe
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iommufd: Add DMABUF to iopt_pages

jgunthorpe
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iommufd: Do not map/unmap revoked DMABUFs

jgunthorpe
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iommufd: Allow a DMABUF to be revoked

jgunthorpe
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iommufd: Allow MMIO pages in a batch

jgunthorpe
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iommufd: Have pfn_reader process DMABUF iopt_pages

jgunthorpe
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iommufd: Have iopt_map_file_pages convert the fd to a file

jgunthorpe
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iommufd: Accept a DMABUF through IOMMU_IOAS_MAP_FILE

jgunthorpe
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iommufd/selftest: Add some tests for the dmabuf flow

jgunthorpe
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dma-buf: fix integer overflow in fill_sg_entry() for buffers >= 8GiB

Alex Mastro
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vfio/nvgrace-gpu: Add support for huge pfnmap

ankita-nv
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vfio: use vfio_pci_core_setup_barmap to map bar in mmap

ankita-nv
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vfio/nvgrace-gpu: split the code to wait for GPU ready

ankita-nv
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vfio/nvgrace-gpu: Inform devmem unmapped after reset

ankita-nv
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vfio/nvgrace-gpu: wait for the GPU mem to be ready

ankita-nv
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mm: fixup pfnmap memory failure handling to use pgoff

ankita-nv
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vfio/nvgrace-gpu: register device memory for poison handling

ankita-nv
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mm: add stubs for PFNMAP memory failure registration functions

ankita-nv
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iommu: Add device ATS supported capability

Shameer Kolothum
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iommufd: Report ATS not supported status via IOMMU_GET_HW_INFO

Shameer Kolothum
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firmware: arm_ffa: Honor partition info descriptor size

jamieNguyenNVIDIA
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NVIDIA: SAUCE: firmware: arm_ffa: Respect firmware advertised RX/TX buffer size limits

sforshee
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NVIDIA: SAUCE: [Config] Enable ARM64_ERRATUM_4118414

nvmochs
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NVIDIA: SAUCE: PCI: quirks: mirror PI7C9X3G606GPC Port 4 BAR0

nirmoy
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iommu/arm-smmu-v3: Add arm_smmu_kdump_adopt_strtab() for kdump

nicolinc
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iommu/arm-smmu-v3: Implement is_attach_deferred() for kdump

nicolinc
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iommu/arm-smmu-v3: Do not enable EVTQ/PRIQ interrupts in kdump kernel

nicolinc
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iommu/arm-smmu-v3: Skip EVTQ/PRIQ setup in kdump kernel

nicolinc
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iommu/arm-smmu-v3: Retain CR0_SMMUEN during kdump device reset

nicolinc
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iommu/arm-smmu-v3: Skip RMR bypass for kdump adoption

nicolinc
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iommu/arm-smmu-v3: Detect ARM_SMMU_OPT_KDUMP_ADOPT in probe()

nicolinc
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NVIDIA: SAUCE: PCI/MSI: Enable memory decoding before restoring MSI-X messages

Farhan Ali
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Commits on Jul 16, 2026

arm_mpam: Fix null pointer dereference when restoring bandwidth counters

benhor01
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arm_mpam: Fix monitor instance selection when checking for hardware NRDY

benhor01
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arm_mpam: Pretend that NRDY is always hardware managed

benhor01
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arm_mpam: Improve check for whether or not NRDY is hardware managed

benhor01
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arm_mpam: Fix false positive assert failure during mpam_disable()

James Morse
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arm_mpam: Check whether the config array is allocated before destroying it

James Morse
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arm_mpam: Update architecture version check for MPAM MSC

henryZe
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NVIDIA: SAUCE: arm_mpam: let low level MSC read accessors return an error

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC read errors for wrapper functions

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC read errors for hw_probe functions

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC read errors for mpam_msc_read_mbwu_l()

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC read errors for msmon helpers

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC read errors for __ris_msmon_read()

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: __ris_msmon_read(): get rid of nrdy special handling

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC read errors for state saving functions

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: let low level MSC write accessors return an error

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC write errors for ESR and part_sel wrappers

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC write errors for hardware probe functions

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: propagate MSC write errors for remaining MSC write users

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: prepare mon_sel locking for MPAM-Fb

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: add MPAM-Fb MSC firmware access support

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: prevent MPAM-Fb accesses inside IRQ handler

Andre-ARM
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NVIDIA: SAUCE: arm_mpam: detect and enable MPAM-Fb PCC support

Andre-ARM
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arm_mpam: Stop using uninitialized variables in __ris_msmon_read()

benhor01
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arm_mpam: Remove duplicate linux/srcu.h header

wb-zjp846396
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arm_mpam: Use non-atomic bitops when modifying feature bitmap

benhor01
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fs/resctrl: Tidy up the error path in resctrl_mkdir_event_configs()

benhor01
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x86,fs/resctrl: Create 'event_filter' files read only if they're not configurable

benhor01
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fs/resctrl: Disallow the software controller when MBM counters are assignable

benhor01
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fs/resctrl: Add monitor property 'mbm_cntr_assign_fixed'

benhor01
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fs/resctrl: Continue counter allocation after failure

benhor01
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fs/resctrl: Document that automatic counter assignment is best effort

benhor01
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fs/resctrl: Document tasks file behaviour for task id 0 and idle tasks

benhor01
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NVIDIA: SAUCE: arm_mpam: resctrl: Pick classes for use as MBM counters

James Morse
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NVIDIA: SAUCE: arm_mpam: resctrl: Pre-allocate assignable monitors

benhor01
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NVIDIA: SAUCE: arm_mpam: resctrl: Add resctrl_arch_config_cntr() for ABMC use

James Morse
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NVIDIA: SAUCE: arm_mpam: resctrl: Add resctrl_arch_cntr_read() & resctrl_arch_reset_cntr()

James Morse
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NVIDIA: SAUCE: arm64: mpam: Add memory bandwidth usage (MBWU) documentation

benhor01
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fs/resctrl: Report invalid domain ID when parsing io_alloc_cbm

aarontomlin
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MAINTAINERS: Update resctrl entry

rchatre
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fs/resctrl: Add missing return value descriptions

rchatre
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arm_mpam: resctrl: Fix MBA CDP alloc_capable handling on unmount

henryZe
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arm_mpam: resctrl: Fix the check for no monitor components found

benhor01
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arm_mpam: resctrl: Make resctrl_mon_ctx_waiters static

benhor01
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NVIDIA: VR: SAUCE: arm_mpam: resctrl: Add kunit test for ABMC/CDP interactions

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Avoid a race with dom_data_exit() and closid_num_dirty_rmid[]

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Avoid a race with dom_data_exit() and rmid_ptrs[]

James Morse
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NVIDIA: VR: SAUCE: debugfs: Add helpers for creating cpumask entries in debugfs

James Morse
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committed
NVIDIA: VR: SAUCE: arm_mpam: Add resctrl_arch_round_bw()

Dave Martin
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NVIDIA: VR: SAUCE: fs/resctrl,x86/resctrl: Factor mba rounding to be per-arch

Dave Martin
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NVIDIA: VR: SAUCE: arm_mpam: Allow the maximum partid to be overridden from the command line

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Add this_is_not_abi mount option

James Morse
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NVIDIA: VR: SAUCE: iommu: Add helpers to retrieve iommu_groups by id or kobject

James Morse
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NVIDIA: VR: SAUCE: kobject: Add kset_get_next_obj() to allow a kset to be walked

James Morse
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NVIDIA: VR: SAUCE: x86/resctrl: Add stub to allow other architecture to disable monitor overflow

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Uniform data type of component_id/domid/id/cache_id

Rex Nie
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NVIDIA: VR: SAUCE: arm_mpam: Allow cmax/cmin to be configured

James Morse
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NVIDIA: VR: SAUCE: arm_mpam: Rename mbw conversion to 'fract16' for code re-use

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Group all the MBA specific properties in a separate struct

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Abstract duplicate domain test to a helper

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Rename resctrl_get_default_ctrl() to include resource

James Morse
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NVIDIA: VR: SAUCE: x86/resctrl: Move over to specifying MBA control formats

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Add additional files for percentage and bitmap controls

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Add L2 and L3 'MAX' resource schema

James Morse
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NVIDIA: VR: SAUCE: arm_mpam: Avoid MSC teardown for the SW programming errors

shankerd04
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NVIDIA: VR: SAUCE: arm_mpam: Handle CPU-less numa nodes

shankerd04
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NVIDIA: VR: SAUCE: resctrl/mpam: probe MPAMF_MBW_IDR MAX_LIM and hardlim_rw

fyu1
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NVIDIA: VR: SAUCE: Documentation: resctrl: document max_lim and MB_HLIM for MPAM MBA

fyu1
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fs/resctrl: Add "*" shorthand to set io_alloc CBM for all domains

aarontomlin
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NVIDIA: VR: SAUCE: arm_mpam: Allow MSC to be forced to have an unknown location

James Morse
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iommu/arm-smmu-v3: Remove IAS

misaleh
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NVIDIA: VR: SAUCE: iommu/arm-smmu-v3: Register SMMU capabilities with MPAM

James Morse
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NVIDIA: VR: SAUCE: iommu: Add helper to retrieve iommu kset

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Move MBA supported check to parse_line() instead of parse_bw()

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Add a schema format to the schema, allowing it to be different

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Use schema format to check the resource is a bitmap

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Add specific schema types for 'range'

James Morse
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NVIDIA: VR: SAUCE: arm_mpam: resctrl: Convert MB resource to use percentage

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Remove 'range' schema format

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Add fflags_from_schema() for files based on schema format

James Morse
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NVIDIA: VR: SAUCE: fs/resctrl: Expose the schema format to user-space

James Morse
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NVIDIA: VR: SAUCE: arm_mpam: resctrl: Add the glue code to convert to/from cmax

James Morse
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NVIDIA: VR: SAUCE: resctrl/mpam: reset RIS by applying explicit default config

shankerd04
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl: add MB_HLIM resource ID and schema type

fyu1
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl: wire MB_HLIM schemata parsing and group setup

fyu1
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl/mpam: track MBW max hard-limit in config

fyu1
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl/mpam: bind MB_HLIM resource to MBA MPAM class

fyu1
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl: add membw.mb_max_lim and arch_has_mb_max_lim

fyu1
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl/mpam: populate MBA mb_max_lim from MPAM probe

fyu1
authored and
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committed
NVIDIA: VR: SAUCE: iommu/arm-smmu-v3: Add mpam helpers to query and set state

James Morse
authored and
ltrager
committed
NVIDIA: SAUCE: iommu: Add helpers to get and set the QoS state

James Morse
authored and
ltrager
committed
NVIDIA: SAUCE: arm_mpam: resctrl: Add iommu helpers to get/set the partid and pmg

James Morse
authored and
ltrager
committed
NVIDIA: SAUCE: fs/resctrl: Add support for assigning iommu_groups to resctrl groups

James Morse
authored and
ltrager
committed
NVIDIA: VR: SAUCE: arm_mpam: Add debugfs entries to show the MSC/RIS the driver discovered

James Morse
authored and
ltrager
committed
NVIDIA: VR: SAUCE: arm_mpam: Add force-disable debugfs trigger

James Morse
authored and
ltrager
committed
NVIDIA: VR: SAUCE: arm_mpam: Expose the number of NRDY retries in debugfs

James Morse
authored and
ltrager
committed
NVIDIA: VR: SAUCE: arm_mpam: resctrl: Determine if any exposed counter can overflow

James Morse
authored and
ltrager
committed
NVIDIA: VR: SAUCE: fs/restrl: Allow the overflow handler to be disabled

James Morse
authored and
ltrager
committed
NVIDIA: VR: SAUCE: arm_mpam: Include all MSC components during domain setup

fyu1
authored and
ltrager
committed
NVIDIA: VR: SAUCE: iommu/arm-smmu-v3: Fix MPAM for indentity-mappings

shankerd04
authored and
ltrager
committed
NVIDIA: VR: SAUCE: resctrl: add MBA max_lim sysfs and visibility from init

fyu1
authored and
ltrager
committed
NVIDIA: SAUCE: arm_mpam: Fix MPAMCFG_MBW_PBM register setting

fyu1
authored and
ltrager
committed
NVIDIA: SAUCE: iommu/arm-smmu-v3: Block kdump MPAM updates

jamieNguyenNVIDIA
authored and
ltrager
committed
NVIDIA: SAUCE: Fix mbm_L3_assign and mon_local_bytes

fyu1
authored and
ltrager
committed
NVIDIA: SAUCE: arm_mpam: Fix monitor capability and MBM assign for MB events

fyu1
authored and
ltrager
committed
NVIDIA: SAUCE: fs/resctrl: Fix incorrect PID parsing after IOMMU group token

henryZe
authored and
ltrager
committed
NVIDIA: SAUCE: fs/resctrl: Remove unused 'of' parameter from rdtgroup_move_iommu()

henryZe
authored and
ltrager
committed
NVIDIA: SAUCE: fs/resctrl: Migrate IOMMU groups when removing resource groups

henryZe
authored and
ltrager
committed
fs/resctrl: Free mon_data structures on rdt_get_tree() failure

aegl
authored and
ltrager
committed
fs/resctrl: Fix use-after-free during unmount

aegl
authored and
ltrager
committed
fs/resctrl: Fix double-add of pseudo-locked region's RMID to free list

rchatre
authored and
ltrager
committed
NVIDIA: SAUCE: fs/resctrl: Fix redefinition of iommu helpers with CONFIG_RESCTRL_IOMMU=n

ltrager
and
claude
committed
NVIDIA: SAUCE: arm_mpam: Increase props size to account for new property
ltrager
committed
NVIDIA: SAUCE: arm_mpam: Mask token to max width
ltrager
committed
NVIDIA: SAUCE: arm_mpam: Initialize mbwu_state values to 0
ltrager
committed
NVIDIA: SAUCE: fs/resctrl: Fix iommu_group reference leaks when iterating groups
ltrager
committed

Commits on Jul 17, 2026

Commits on Jul 20, 2026