linux-kernel - [PATCH 0/2] powerpc: iommu: Fix the vfio-pci bind and unbind issues

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Date: Thu, 25 Jan 2024 06:08:25 -0600
From: Shivaprasad G Bhat <sbhat@...ux.ibm.com>
To: iommu@...ts.linux.dev, linuxppc-dev@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org, mpe@...erman.id.au, npiggin@...il.com,
        christophe.leroy@...roup.eu, aneesh.kumar@...nel.org,
        naveen.n.rao@...ux.ibm.com, jgg@...pe.ca, jroedel@...e.de,
        tpearson@...torengineering.com, aik@....com, bgray@...ux.ibm.com,
        gregkh@...uxfoundation.org, sbhat@...ux.ibm.com,
        gbatra@...ux.vnet.ibm.com, vaibhav@...ux.ibm.com
Subject: [PATCH 0/2] powerpc: iommu: Fix the vfio-pci bind and unbind issues

On PowerNV and pSeries machines, the bind and unbind of vfio-pci is
broken with the below commits.

2ad56efa80db ("powerpc/iommu: Setup a default domain and remove set_platform_dma_ops")
0f6a90436a57 ("iommu: Do not use IOMMU_DOMAIN_DMA if CONFIG_IOMMU_DMA is not enabled")

Details of the same are in the following patch descriptions.

---

Shivaprasad G Bhat (2):
      powerpc: iommu: Bring back table group release_ownership() call
      iommu: Fix the domain type checks when default_domain is set


 arch/powerpc/kernel/iommu.c | 16 +++++++++++++---
 drivers/iommu/iommu.c       | 14 ++++++++++----
 2 files changed, 23 insertions(+), 7 deletions(-)

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