On Thu, Aug 23, 2018 at 10:01:45AM +1000, Benjamin Herrenschmidt wrote:
> > The general scheme that architectures should implement is:
> >
> > ZONE_DMA: Any memory below a magic threshold that is lower than
> > 32-bit. Only enabled if actually required (usually
> > eithe
On Wed, 2018-08-22 at 08:58 +0200, Christoph Hellwig wrote:
> On Thu, Aug 09, 2018 at 09:54:33AM +1000, Benjamin Herrenschmidt wrote:
> > On Mon, 2018-07-30 at 18:38 +0200, Christoph Hellwig wrote:
> > > We need to take the DMA offset and encryption bit into account when
> > > selecting
> > > a zo
On Thu, Aug 09, 2018 at 09:54:33AM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2018-07-30 at 18:38 +0200, Christoph Hellwig wrote:
> > We need to take the DMA offset and encryption bit into account when
> > selecting
> > a zone. Add a helper that takes those into account and use it.
>
> That
On Mon, 2018-07-30 at 18:38 +0200, Christoph Hellwig wrote:
> We need to take the DMA offset and encryption bit into account when selecting
> a zone. Add a helper that takes those into account and use it.
That whole "encryption" stuff seems to be completely specific to the
way x86 does memory enc
We need to take the DMA offset and encryption bit into account when selecting
a zone. Add a helper that takes those into account and use it.
Signed-off-by: Christoph Hellwig
---
kernel/dma/direct.c | 16
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/kernel/dma/
