Re: [PATCH v5 06/13] iommu: Add iommu_copy_struct_from_full_user_array helper

2024-10-29 Thread Nicolin Chen
On Tue, Oct 29, 2024 at 08:24:52AM +, Tian, Kevin wrote: > > From: Nicolin Chen > > Sent: Saturday, October 26, 2024 7:51 AM > > > > From: Jason Gunthorpe > > > > The iommu_copy_struct_from_user_array helper can be used to copy a > > single > > entry from a user array which might not be effic

RE: [PATCH v5 06/13] iommu: Add iommu_copy_struct_from_full_user_array helper

2024-10-29 Thread Tian, Kevin
> From: Nicolin Chen > Sent: Saturday, October 26, 2024 7:51 AM > > From: Jason Gunthorpe > > The iommu_copy_struct_from_user_array helper can be used to copy a > single > entry from a user array which might not be efficient if the array is big. > > Add a new iommu_copy_struct_from_full_user_a

[PATCH v5 06/13] iommu: Add iommu_copy_struct_from_full_user_array helper

2024-10-25 Thread Nicolin Chen
From: Jason Gunthorpe The iommu_copy_struct_from_user_array helper can be used to copy a single entry from a user array which might not be efficient if the array is big. Add a new iommu_copy_struct_from_full_user_array to copy the entire user array at once. Update the existing iommu_copy_struct_