On Fri, Sep 21, 2018 at 01:53:16AM +0530, Souptick Joarder wrote: > There is a plan to remove vm_insert_page permanently > and replace it with new API vmf_insert_page which will > return vm_fault_t type. As part of it vm_insert_page > is removed from this driver. > > remap_pfn_range() will be used to map kernel memory to > user vma.
I think this patch is dangerous. It's not buggy *for this driver*, but it gives the impression that it's safe to use remap_pfn_range() for this *kind* of driver.
