Re: [PATCH Kernel v22 3/8] vfio iommu: Cache pgsize_bitmap in struct vfio_iommu

2020-05-20 Thread Kirti Wankhede
On 5/20/2020 3:38 PM, Cornelia Huck wrote: On Mon, 18 May 2020 11:26:32 +0530 Kirti Wankhede wrote: Calculate and cache pgsize_bitmap when iommu->domain_list is updated and iommu->external_domain is set for mdev device. Add iommu->lock protection when cached pgsize_bitmap is accessed.

Re: [PATCH Kernel v22 3/8] vfio iommu: Cache pgsize_bitmap in struct vfio_iommu

2020-05-20 Thread Cornelia Huck
On Mon, 18 May 2020 11:26:32 +0530 Kirti Wankhede wrote: > Calculate and cache pgsize_bitmap when iommu->domain_list is updated > and iommu->external_domain is set for mdev device. > Add iommu->lock protection when cached pgsize_bitmap is accessed. > > Signed-off-by: Kirti Wankhede >

[PATCH Kernel v22 3/8] vfio iommu: Cache pgsize_bitmap in struct vfio_iommu

2020-05-18 Thread Kirti Wankhede
Calculate and cache pgsize_bitmap when iommu->domain_list is updated and iommu->external_domain is set for mdev device. Add iommu->lock protection when cached pgsize_bitmap is accessed. Signed-off-by: Kirti Wankhede Reviewed-by: Neo Jia --- drivers/vfio/vfio_iommu_type1.c | 88