iommu: Introduce iommu_group_mutex_assert()

Browse source

Add function to check iommu group mutex lock. So that device drivers can
rely on group mutex lock instead of adding another driver level lock
before modifying driver specific device data structure.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240205115615.6053-10-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

...

This commit is contained in:

Vasant Hegde 2024-02-05 11:56:07 +00:00 • committed by Joerg Roedel

parent b2e8a7f5d2

commit bf8aff2945

2 changed files with 27 additions and 0 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

19

drivers/iommu/iommu.c

View file

8

include/linux/iommu.h

View file