iommu/iova: Move CPU magazine init to first insert

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A large amount of memory may be allocated for these magazines on
machines with a lot of IOMMU groups and CPU cores. Not all may be used
as some devices may be unused or be bound to drivers that do not use the
DMA-API. Furthermore, some drivers may not use all levels or CPUs.

Move the initialization of the loaded and prev magazines for each CPU on
the first attempt to try to insert a freed IOVA to them.

Signed-off-by: Logan Odell <loganodell@google.com>
Signed-off-by: Michal Clapinski <mclapinski@google.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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Logan Odell 2026-07-27 08:57:20 -07:00 • committed by Joerg Roedel

parent e02e968159

commit f5cd9718bd

1 changed files with 15 additions and 14 deletions

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drivers/iommu/iova.c

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