On Tue, Nov 03, 2015 at 08:59:17PM +0800, Peng Fan wrote: > iommu_group_alloc will initialize the reference count for group to 1. > iommu_group_add_device also increase the group reference count, > if nothing bad happends. And we need to add iommu_group_put to > decrease the reference count for group. > > Signed-off-by: Peng Fan <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Joerg Roedel <[email protected]> > --- > > Not sure whether my understanding is correct or not. I checked > rockchip-iommu.c > exynos-iommu.c and fsl_pamu_domain.c, and they all have iommu_group_put after > iommu_group_add_device.
Doesn't this pair up with the iommu_group_remove_device in arm_smmu_remove_device? Are you actually seeing an issue in practice? Will _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
