[GIT PULL] IOMMU Fixes for Linux v7.2-rc5

[Will Deacon]

Hi Linus,

Joerg's away at the moment so I've been looking after the IOMMU tree in
his absence. In the process of doing that, I've hoovered up a handful
of fixes for the AMD and Intel drivers which address a combination of
the usual out-of-bounds/locking/leak bugs as well as some logical issues
around SVA and command completion.

Summary in the tag; please pull.

Cheers,

Will

--->8

The following changes since commit 8cdeaa50eae8dad34885515f62559ee83e7e8dda:

  Linux 7.2-rc2 (2026-07-05 14:44:06 -1000)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git tags/iommu-fixes-v7.2-rc5

for you to fetch changes up to 754f8efe45f87e3a9c6871b645b2f9d46d1b407b:

  iommu/intel: Fix out-of-bounds memset in dmar_latency_disable() (2026-07-21 11:34:51 +0000)

----------------------------------------------------------------
IOMMU Fixes for Linux v7.2-rc5

- AMD:
  * Fix lockdep splat from nested domain allocation

  * Fix nested domain leak

  * Fix broken synchronisation of command completion

  * Fix OOB write in "ivrs_acpihid" command-line parsing

- VT-d:
  * Prevent SVA for IOMMUs with non-coherent page-table walker

  * Fix OOB write in PMU driver.

----------------------------------------------------------------
Guanghui Feng (1):
      iommu/amd: Wait for completion instead of returning early in iommu_completion_wait()

Li RongQing (1):
      iommu/intel: Fix out-of-bounds memset in dmar_latency_disable()

Lu Baolu (1):
      iommu/vt-d: Disallow SVA if page walk is not coherent

Pengpeng Hou (1):
      iommu/amd: Bound the early ACPI HID map

Tycho Andersen (AMD) (2):
      iommu/amd: Fix IRQ unsafe locking in gdom allocation
      iommu/amd: Fix nested domain leak

 drivers/iommu/amd/init.c   |  6 ++++++
 drivers/iommu/amd/iommu.c  | 22 ++++++++++++++++------
 drivers/iommu/amd/nested.c | 34 +++++++++++++++++++---------------
 drivers/iommu/intel/perf.c |  2 +-
 drivers/iommu/intel/svm.c  |  2 +-
 5 files changed, 43 insertions(+), 23 deletions(-)