6777869 Intel IOMMU only reports one fault per fault interrupt

[vikram.he...@sun.com]

Author: Vikram Hegde <Vikram.Hegde at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: aa4f194e5566744ed2657b9fa6a21494d55c3062
Total changesets: 1
Log message:
6777869 Intel IOMMU only reports one fault per fault interrupt
6773932 high locking contention in iommulib_lock
6777873 cannot use kmdb to set some boot variables in Intel IOMMU

Files:
        update: usr/src/uts/common/os/devcfg.c
        update: usr/src/uts/i86pc/io/dmar_acpi.c
        update: usr/src/uts/i86pc/io/intel_iommu.c
        update: usr/src/uts/intel/ia32/ml/modstubs.s