iova: Add CPU hotplug handler to flush rcaches

Browse source

Like the Intel IOMMU driver already does, flush the per-IOVA domain
CPU rcache when a CPU goes offline - there's no point in keeping it.

Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1616675401-151997-2-git-send-email-john.garry@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

...

This commit is contained in:

John Garry 2021-03-25 20:29:58 +08:00 • committed by Joerg Roedel

parent 371d7955e3

commit f598a497bc

3 changed files with 31 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

30

drivers/iommu/iova.c

View file

1

include/linux/cpuhotplug.h

View file

1

include/linux/iova.h

View file