iommu/amd: Clean up the cmpxchg64 invocation
authorBaoquan He <bhe@redhat.com>
Thu, 15 Sep 2016 08:50:50 +0000 (16:50 +0800)
committerJoerg Roedel <jroedel@suse.de>
Mon, 19 Sep 2016 13:49:01 +0000 (15:49 +0200)
commit134414fffc7fdad81e228d232f8ae12a0456127a
tree62e06f833b35b06c524cfeac4f3ca5d2924ae78a
parent368d06cd536ecace3a904ae2e6e42771636d52aa
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>
drivers/iommu/amd_iommu.c