Commits
Jiang Liu committed 27e249501ca
iommu/vt-d: fix bug in handling multiple RMRRs for the same PCI device Function dmar_iommu_notify_scope_dev() makes a wrong assumption that there's one RMRR for each PCI device at most, which causes DMA failure on some HP platforms. So enhance dmar_iommu_notify_scope_dev() to handle multiple RMRRs for the same PCI device. Fixbug: https://bugzilla.novell.com/show_bug.cgi?id=879482 Cc: <stable@vger.kernel.org> # 3.15 Reported-by: Tom Mingarelli <thomas.mingarelli@hp.com> Tested-by: Linda Knippers <linda.knippers@hp.com> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>