[PATCH v3 5.15 0/6] ARM64 errata for stable kernel 5.15

[Easwar Hariharan]

This series works around a few ARM64 errata.

Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Robin Murphy <robin.murphy@xxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: iommu@xxxxxxxxxxxxxxx

Changelog:
==========
v2 -> v3
 - Backport other relevant errata patches from the same series as MMU-700 erratum 2812531
 - v2 link: https://lore.kernel.org/stable/20230724185017.1675459-1-eahariha@xxxxxxxxxxxxxxxxxxx/T/#m0c2c7b9dac7ac8c0b12ce31f1a68542ef352ea2f

v1 -> v2:
 - Drop patch accepted as commit
   e4e7f67cc14e9638798f80513e84b8fb62cdb7e3 in v5.15.121
 - Appropriate sign-offs
 - v1 link:https://lore.kernel.org/stable/1689895414-17425-1-git-send-email-eahariha@xxxxxxxxxxxxxxxxxxx/


Robin Murphy (4):
  iommu/arm-smmu-v3: Work around MMU-600 erratum 1076982
  iommu/arm-smmu-v3: Document MMU-700 erratum 2812531
  iommu/arm-smmu-v3: Add explicit feature for nesting
  iommu/arm-smmu-v3: Document nesting-related errata

Suzuki K Poulose (2):
  arm64: errata: Add workaround for TSB flush failures
  arm64: errata: Add detection for TRBE write to out-of-range

 Documentation/arm64/silicon-errata.rst      | 12 ++++
 arch/arm64/Kconfig                          | 74 +++++++++++++++++++++
 arch/arm64/include/asm/barrier.h            | 16 ++++-
 arch/arm64/kernel/cpu_errata.c              | 39 +++++++++++
 arch/arm64/tools/cpucaps                    |  2 +
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 50 ++++++++++++++
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h |  8 +++
 7 files changed, 200 insertions(+), 1 deletion(-)

-- 
2.25.1