Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into...

[linux-2.6-microblaze.git] / Documentation / ABI / testing / sysfs-kernel-iommu_groups

diff --git a/Documentation/ABI/testing/sysfs-kernel-iommu_groups b/Documentation/ABI/testing/sysfs-kernel-iommu_groups
index 35c64e0..017f5bc 100644 (file)
--- a/Documentation/ABI/testing/sysfs-kernel-iommu_groups
+++ b/Documentation/ABI/testing/sysfs-kernel-iommu_groups
@@ -24,3 +24,12 @@ Description:    /sys/kernel/iommu_groups/reserved_regions list IOVA
                region is described on a single line: the 1st field is
                the base IOVA, the second is the end IOVA and the third
                field describes the type of the region.
+
+What:          /sys/kernel/iommu_groups/reserved_regions
+Date:          June 2019
+KernelVersion:  v5.3
+Contact:       Eric Auger <eric.auger@redhat.com>
+Description:    In case an RMRR is used only by graphics or USB devices
+               it is now exposed as "direct-relaxable" instead of "direct".
+               In device assignment use case, for instance, those RMRR
+               are considered to be relaxable and safe.