iommu/amd: Add flush counters to struct dma_ops_domain

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The counters are increased every time the TLB for a given
domain is flushed. We also store the current value of that
counter into newly added entries of the flush-queue, so that
we can tell whether this entry is already flushed.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2017-06-02 16:01:53 +02:00

parent e241f8e76c

commit a6e3f6f030

1 changed files with 52 additions and 0 deletions

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drivers/iommu/amd_iommu.c

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