On Mon, Aug 3, 2020 at 4:06 AM Robin Murphy wrote:
>
> On 2020-07-29 06:16, John Stultz wrote:
> > This adds a heap that allocates non-contiguous buffers that are
> > marked as writecombined, so they are not cached by the CPU.
> >
...
> > + ret = sg_alloc_table(new_table, table->nents, GFP_KER
On 2020-07-29 06:16, John Stultz wrote:
This adds a heap that allocates non-contiguous buffers that are
marked as writecombined, so they are not cached by the CPU.
This is useful, as most graphics buffers are usually not touched
by the CPU or only written into once by the CPU. So when mapping
th
This adds a heap that allocates non-contiguous buffers that are
marked as writecombined, so they are not cached by the CPU.
This is useful, as most graphics buffers are usually not touched
by the CPU or only written into once by the CPU. So when mapping
the buffer over and over between devices, we
