]> git.baikalelectronics.ru Git - kernel.git/commit
iommu/intel: Fix ACS path checking
authorAlex Williamson <alex.williamson@redhat.com>
Sat, 4 Aug 2012 18:08:55 +0000 (12:08 -0600)
committerJoerg Roedel <joerg.roedel@amd.com>
Mon, 6 Aug 2012 16:09:51 +0000 (18:09 +0200)
commit7c6f82d3ab4af375f9b901d7b7b2f9fe9bc74458
treead667523a59057c1b608ff8b41b372e9086f6736
parentd986f3fc5af340483e2a32ecb4fa6a753998b820
iommu/intel: Fix ACS path checking

SR-IOV can create buses without a bridge.  There may be other cases
where this happens as well.  In these cases skip to the parent bus
and continue testing devices there.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
drivers/iommu/intel-iommu.c