iommu/iova: Add locking to Flush-Queues

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The lock is taken from the same CPU most of the time. But
having it allows to flush the queue also from another CPU if
necessary.

This will be used by a timer to regularily flush any pending
IOVAs from the Flush-Queues.

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

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Joerg Roedel 2017-08-10 16:31:17 +02:00

parent fb418dab8a

commit 8109c2a2f8

2 changed files with 12 additions and 0 deletions

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11

drivers/iommu/iova.c

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1

include/linux/iova.h

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