[PATCH OLK-6.6 0/2] Using smmu IIDR registers

Using the smmu registers to identify the problem described in commit 8544c8e14fec ("iommu/arm-smmu-v3: Add a SYNC command to avoid broken page table prefetch") Zhang Zekun (2): Revert "iommu/arm-smmu-v3: Add a SYNC command to avoid broken page table prefetch" iommu/arm-smmu-v3: Enable iotlb_sync_map according to SMMU_IIDR Documentation/arch/arm64/silicon-errata.rst | 1 + arch/arm64/Kconfig | 11 +++++------ arch/arm64/kernel/cpu_errata.c | 14 -------------- arch/arm64/tools/cpucaps | 1 - drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 13 ++++++++++--- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 1 + 6 files changed, 17 insertions(+), 24 deletions(-) -- 2.17.1