Re: [PATCH v12 0/9] iommu/amd: Use 128-bit cmpxchg operation to update DTE

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On Mon, Nov 18, 2024 at 05:49:28AM +0000, Suravee Suthikulpanit wrote:
> Suravee Suthikulpanit (9):
>   iommu/amd: Misc ACPI IVRS debug info clean up
>   iommu/amd: Disable AMD IOMMU if CMPXCHG16B feature is not supported
>   iommu/amd: Introduce struct ivhd_dte_flags to store persistent DTE
>     flags
>   iommu/amd: Introduce helper function to update 256-bit DTE
>   iommu/amd: Modify set_dte_entry() to use 256-bit DTE helpers
>   iommu/amd: Introduce helper function get_dte256()
>   iommu/amd: Modify clear_dte_entry() to avoid in-place update
>   iommu/amd: Lock DTE before updating the entry with WRITE_ONCE()
>   iommu/amd: Remove amd_iommu_apply_erratum_63()
> 
>  drivers/iommu/amd/amd_iommu.h       |   4 +-
>  drivers/iommu/amd/amd_iommu_types.h |  41 ++-
>  drivers/iommu/amd/init.c            | 229 +++++++++--------
>  drivers/iommu/amd/iommu.c           | 378 +++++++++++++++++++++-------
>  4 files changed, 440 insertions(+), 212 deletions(-)

Applied, thanks.




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