Hi Linus,

The following changes since commit def9d2780727cec3313ed3522d0123158d87224d:

  Linux 5.5-rc7 (2020-01-19 16:02:49 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git tags/iommu-fixes-v5.5-rc7

for you to fetch changes up to 8c17bbf6c8f70058a66305f2e1982552e6ea7f47:

  iommu/amd: Fix IOMMU perf counter clobbering during init (2020-01-24 15:28:40 +0100)

----------------------------------------------------------------
IOMMU Fixes for Linux v5.5-rc7

Two Fixes:

	- Fix NULL-ptr dereference bug in Intel IOMMU driver

	- Properly safe and restore AMD IOMMU performance counter
	  registers when testing if they are writable.

----------------------------------------------------------------
Jerry Snitselaar (1):
      iommu/vt-d: Call __dmar_remove_one_dev_info with valid pointer

Shuah Khan (1):
      iommu/amd: Fix IOMMU perf counter clobbering during init

 drivers/iommu/amd_iommu_init.c | 24 ++++++++++++++++++------
 drivers/iommu/intel-iommu.c    |  3 ++-
 2 files changed, 20 insertions(+), 7 deletions(-)

Please pull.

Thanks,

	Joerg