Messages in this thread | | | Date | Fri, 20 May 2022 09:57:44 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH] iommu/s390: tolerate repeat attach_dev calls |
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On Thu, May 19, 2022 at 02:29:29PM -0400, Matthew Rosato wrote: > Since commit 0286300e6045 ("iommu: iommu_group_claim_dma_owner() must > always assign a domain") s390-iommu will get called to allocate multiple > unmanaged iommu domains for a vfio-pci device -- however the current > s390-iommu logic tolerates only one. Recognize that multiple domains can > be allocated and handle switching between DMA or different iommu domain > tables during attach_dev. > > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> > --- > drivers/iommu/s390-iommu.c | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-)
Applied to the vfio-notifier-fix topic branch, thanks.
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