Re: [PATCH 1/2] mm/frame-vec: Drop gup_flags from get_vaddr_frames()

2020-10-02 Thread Oded Gabbay
On Fri, Oct 2, 2020 at 9:23 PM Tomasz Figa wrote: > > On Fri, Oct 2, 2020 at 7:53 PM Daniel Vetter wrote: > > > > FOLL_WRITE | FOLL_FORCE is really the only reasonable thing to do for > > simple dma device that can't guarantee write protection. Which is also > > what all the callers are using. >

Re: [PATCH 1/2] mm/frame-vec: Drop gup_flags from get_vaddr_frames()

2020-10-02 Thread Tomasz Figa
On Fri, Oct 2, 2020 at 7:53 PM Daniel Vetter wrote: > > FOLL_WRITE | FOLL_FORCE is really the only reasonable thing to do for > simple dma device that can't guarantee write protection. Which is also > what all the callers are using. > > So just simplify this. > > Signed-off-by: Daniel Vetter > Cc

[PATCH 1/2] mm/frame-vec: Drop gup_flags from get_vaddr_frames()

2020-10-02 Thread Daniel Vetter
FOLL_WRITE | FOLL_FORCE is really the only reasonable thing to do for simple dma device that can't guarantee write protection. Which is also what all the callers are using. So just simplify this. Signed-off-by: Daniel Vetter Cc: Inki Dae Cc: Joonyoung Shim Cc: Seung-Woo Kim Cc: Kyungmin Park