This patchset contains updates to the debugging code in the AMD IOMMU
driver for Linux. It introduces two additional features:

  * A new command line parameter to let the driver dump the parsed
    contents of the IVRS ACPI table to dmesg. This is a debug feature to
    make it easier to find the bug for problems reported to me
  * A new Kconfig entry to enable IOMMU stress testing code. I made this
    Kconfig entry generic because other IOMMU implementations may pick
    this up as well.

Please review.

diffstat:

 arch/x86/Kconfig.debug                 |    8 +++
 arch/x86/include/asm/amd_iommu_types.h |    6 ++
 arch/x86/kernel/amd_iommu.c            |   10 ++-
 arch/x86/kernel/amd_iommu_init.c       |  109 ++++++++++++++++++++++++++++++++
 4 files changed, 129 insertions(+), 4 deletions(-)

shortlog:

Joerg Roedel (7):
      amd-iommu: add amd_iommu_dump parameter
      amd-iommu: add dump for iommus described in ivrs table
      amd-iommu: print ivhd information to dmesg when requested
      amd-iommu: print ivmd information to dmesg when requested
      amd-iommu: move protection domain printk to dump code
      x86/iommu: add IOMMU_STRESS Kconfig entry
      amd-iommu: disable device isolation with CONFIG_IOMMU_STRESS


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