[GIT PULL] iommu/arm-smmu: Fixes for 6.2

From: Will Deacon
Date: Fri Jan 13 2023 - 06:11:58 EST


Hi Joerg,

Please can you pull these Arm SMMU fixes for 6.2? The summary is in the
tag, but the main thing is fixing a VFIO regression due to the way in
which IOMMU_CAP_CACHE_COHERENCY is reported for SMMUv2 devices.

Cheers,

Will

--->8

The following changes since commit 1b929c02afd37871d5afb9d498426f83432e71c2:

Linux 6.2-rc1 (2022-12-25 13:41:39 -0800)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git tags/arm-smmu-fixes

for you to fetch changes up to f1ba05a70f7df4e2e4d2d7fed2d4e63a1e700660:

iommu/arm-smmu-v3: Don't unregister on shutdown (2023-01-11 12:20:00 +0000)

----------------------------------------------------------------
Arm SMMU fixes for 6.2

- Fix VFIO regression on NXP SoCs by reporting IOMMU_CAP_CACHE_COHERENCY

- Fix SMMU shutdown paths to avoid device unregistration race

----------------------------------------------------------------
Robin Murphy (1):
iommu/arm-smmu: Report IOMMU_CAP_CACHE_COHERENCY even betterer

Vladimir Oltean (2):
iommu/arm-smmu: Don't unregister on shutdown
iommu/arm-smmu-v3: Don't unregister on shutdown

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 4 +++-
drivers/iommu/arm/arm-smmu/arm-smmu.c | 32 ++++++++++++++++++++---------
2 files changed, 25 insertions(+), 11 deletions(-)