On Thu, Aug 12, 2021 at 07:01:44PM +0200, Sam Ravnborg wrote: > Hi Daniel, > > On Thu, Aug 12, 2021 at 03:14:12PM +0200, Daniel Vetter wrote: > > Aside from deleting lots of code the real motivation here is to switch > > the mmap over to VM_PFNMAP, to be more consistent with what real gpu > > drivers do. They're all VM_PFNMP, which means get_user_pages doesn't > > work, and even if you try and there's a struct page behind that, > > touching it and mucking around with its refcount can upset drivers > > real bad. > The only thing I understood of all this complicated stuff was "deleting > lots of code" which is a good thing. > You may want to s/VM_PFNMP/VM_PFNMAP/ before you push this. Fixed and patches 2-4 from this series pushed. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
