Re: [Linaro-mm-sig] [PATCH] dma-buf: Update docs for SYNC ioctl

On Mon, Mar 21, 2016 at 8:40 AM, Hans Verkuil hverkuil@xs4all.nl wrote:

...

• For correctness and optimal performance, it is always required to use
• SYNC_START and SYNC_END before and after, respectively, when accessing the
• mapped address. Userspace cannot on coherent access, even when there are

"Userspace cannot on coherent access"? Do you mean "cannot do"? Sorry, the meaning isn't clear to me.

"cannot rely on". I'll send out v2 asap (and let's hope the coffee works this time around). -Daniel