tree fd3824416e3d16191822ad22bd1cd564537479d1
parent 1899c111a535e43046b14ae13639747d9d2544d6
author Ben Hutchings <bhutchings@solarflare.com> 1371056948 +0100
committer Ben Hutchings <bhutchings@solarflare.com> 1372100573 +0100

sfc: Improve test for IOMMU in use

The device::iommu_group field may be set even if no IOMMU is in use.
iommu_present() is still a better indicator, although it doesn't tell
us whether *our* device is affected.

Reported-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>