tree 62e06f833b35b06c524cfeac4f3ca5d2924ae78a
parent 368d06cd536ecace3a904ae2e6e42771636d52aa
author Baoquan He <bhe@redhat.com> 1473929450 +0800
committer Joerg Roedel <jroedel@suse.de> 1474292941 +0200

iommu/amd: Clean up the cmpxchg64 invocation

Change it as it's designed for and keep it consistent with other
places.

Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>