iommu/amd: Allocate page table using numa locality info

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Introduce 'struct protection_domain->nid' variable. It will contain
IOMMU NUMA node ID. And allocate page table pages using IOMMU numa
locality info. This optimizes page table walk by IOMMU.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20230321092348.6127-2-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Vasant Hegde 2023-03-21 09:23:47 +00:00 • committed by Joerg Roedel

parent e8d018dd02

commit 0d571dcbe7

5 changed files with 23 additions and 12 deletions

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8

drivers/iommu/amd/amd_iommu.h

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1

drivers/iommu/amd/amd_iommu_types.h

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4

drivers/iommu/amd/io_pgtable.c

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16

drivers/iommu/amd/io_pgtable_v2.c

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6

drivers/iommu/amd/iommu.c

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