NVIDIA Grace and Vera Platform Support Software Patches and Configurations Guide

NVIDIA® Grace™ and NVIDIA Vera systems are composed of multiple hardware components that require support across different software subsystems. This guide provides information about the known patches and configuration settings that are required (or recommended) for interoperability with the Grace and Vera platforms and might be helpful for customers who want to create their own custom software for these systems. This guide covers bare metal and I/O virtualization environments and applies to all platforms that use the Grace or Vera processor.

Document History

Date	Description
August 10, 2023	Initial release.
September 7, 2023	Indicated TPM patch is now upstream. Added additional arm_cspmu and mm patches. Added CONFIG_DEVICE_MIGRATION and CONFIG_DEVICE_PRIVATE. Clarified that CONFIG_ARM64_64K_PAGES is conditionally required for some NVIDIA GPU Driver versions.
September 8, 2023	Revised conditional requirements for CONFIG_ARM64_64K_PAGES and CONFIG_DEVICE_PRIVATE. Added CONFIG_INIT_ON_ALLOC_DEFAULT_ON.
November 2, 2023	Reformatted document to categorize content. Removed duplicate entries, added an additional iommu and dma-mapping patch. Added CONFIG_SENSORS_ACPI_POWER.
December 18, 2023	Added contact information for NVIDIA Enterprise Experience.
April 18, 2024	Sorted tables by kernel version. Added a performance patch table. Added additional mm, pci, and thermal fix patches. Added additional performance tools patches. Updated CONFIG_TCG_TIS_SPI and CONFIG_SPI_TEGRA210_QUAD from modules to builtins.
May 30, 2024	Added column to track LKML discussion to provide patch context. Added a CUDA patch table. Added additional performance tools patches. Added additional gpio, pci, and tlb fix patches. Added CONFIG_ARM_SPE_PMU. Added CONFIG_IOMMU_SVA.
August 20, 2024	Added TPM critical fix patch. Added a performance tools patch. Added PCIe configurability patch. Added CONFIG_NVIDIA_CORESIGHT_PMU_ARCH_SYSTEM_PMU.
October 25, 2024	Removed unnecessary HMM patches from the CUDA patch table. Added an i2c fix patch. Added additional performance tools patches. Added CONFIG_ARCH_TEGRA_241_SOC.
March 7, 2025	Added a PCI critical fix patch for GB200. Added cppc_cpufreq patches. Added a DOE v2 discovery patch. Added a mm/vmscan fix patch. Added AMU-based average frequency patches. Added CONFIG_ARM_FFA_TRANSPORT, CONFIG_TEGRA_IVC, and CONFIG_USB_XHCI_PCI_RENESAS. Added the arm-spe performance tool patches. Added the PCI ACS configurability fix patch. Added the HMAT print fix patch. Added the acpi/prmt fix patch.
April 25, 2025	Created a table of configs required by Partner Diags. Added the mmu_notifiers for range-based invalidates fix patch.
July 14, 2025	Added mm/gup fix patches. Added RMDA/mlx5 warning during dereg_mr fix patch. Added iommu skip PASID fix patch. Added i2c/tegra check msg length in SMBUS block read fix patch.
July 16, 2025	Added the iommu_group for PCIe ACS fix patches. Added the pci_enable_acs() ACS fix patch.
August 6, 2025	Added CONFIG_IOMMU_DEFAULT_DMA_LAZY.
August 21, 2025	Removed the iommu_group for PCIe ACS fix patches.
September 29, 2025	Added i2c/tegra reset patches. Added the drm/ast msleep patch.
October 10, 2025	Added spi/tegra210-quad: Improve timeout handling under high system load.
October 29, 2025	Added CONFIG_STRICT_DEVMEM.
December 3, 2025	Added patch for Aquantia driver. Added initial support for Vera systems.
December 8, 2025	Updated spi/tegra210-quad: Improve timeout handling under high system load patch.
December 9, 2025	Added Vera enablement and performance tools patches from v6.19
December 15, 2025	Added missing Grace coresight and arm_pmu patches from v6.6
January 9, 2026	Added Vera patches to fix CPU_CYCLES counting on SMT cores. Added Spectre BHB critical fix patches.
January 28, 2026	Added Vera patches to support NVIDIA Olympus for Perf Arm SPE.
February 6, 2026	Added a critical interrupt race condition fix patch for stack switching. Added CONFIG_ARM64_PSEUDO_NMI. Added patch for Atlantic driver.
February 9, 2026	Added patches to fix race condition in spi/tegra210-quad driver.
February 11, 2026	Updated all SHAs to use abbreviated format Added Vera patches to fix CPPC support in nosmt environments.
February 23, 2026	Added Vera PCI, CPPC, and i2c patches from v7.0
February 25, 2026	Added link to the ConnectX-8 and ConnectX-9 patching guide.
March 2, 2026	Removed ACPI CCEL patch from Vera list as it was reverted upstream. Added optional Vera performance patches to support FEAT_LS64
March 6, 2026	Added a critical contpte fix to avoid a hang.
March 16, 2026	Added link to the NVIDIA kernel patch verification tool.
March 18, 2026	Updated SMCCC chipid patch commit reference for Vera. Fixed kernel version format in Grace patch table.
March 20, 2026	Added addendum that lists non-upstreamed Vera patches.
March 23, 2026	Corrected LFA SHAs in Vera addendum.
April 13, 2026	Added LFA_BUSY patch to Vera addendum.
April 16, 2026	Added TPM CRB to Vera kernel configuration.
April 17, 2026	Added I/O virtualization section covering Grace and Vera platform kernel, QEMU, and libvirt patches.
April 22, 2026	Added Grace MPAM support. Added Grace workqueue WQ_AFFN_CACHE_SHARD performance patches from v7.1. Added Vera enablement, fix, and performance tools patches from v7.1. Updated Vera addendum to reflect upstream patches.
May 15, 2026	Added fix for Grace workqueue WQ_AFFN_CACHE_SHARD performance patches. Added Grace critical fix for PCI window resource type validation.
May 21, 2026	Updated Vera addendum LFA patches for linux-nvidia-6.18 v2 stack.
May 22, 2026	Added a PMCCNTR_EL0 avoidance patch to the Vera addendum.
May 26, 2026	Added Grace fix for FFA partition info descriptor size. Added Vera fix for PCI/CXL SBR reset_methods reporting.
June 15, 2026	Added Grace fix to enable batched TLB flush in unmap_hotplug_range().
June 16, 2026	Added Grace critical fixes for TLBI errata mitigation. Added Vera critical fix for TLBI errata mitigation. Added Vera fix for Tegra410 I2C timing parameters. Added Vera scheduler performance patches.
June 22, 2026	Added MPAM and CXL series required to apply additional patches. Added upstream QEMU vCMDQ patch series. Added upstream QEMU core SMMU patches to support “auto” parameters and control dirty tracking for nesting parent HWPT. Added upstream Vera Blackwell-Next GPU readiness check patch. Added upstream Vera ATS support patches. Added upstream Vera SoC patches for SMCCC chip ID and fuse nvmem lookups. Added upstream Vera cpufreq QoS and CPPC v4 patches.

For questions about the content in this document, contact NVIDIA Enterprise Experience.