On Thu, Oct 31, 2019 at 11:30:36AM +0100, Nicolas Saenz Julienne wrote:

On Wed, 2019-10-30 at 14:49 -0700, Christoph Hellwig wrote:

quoted

On Mon, Oct 14, 2019 at 08:31:03PM +0200, Nicolas Saenz Julienne wrote:

quoted

Some architectures, notably ARM, are interested in tweaking this
depending on their runtime DMA addressing limitations.

Signed-off-by: Nicolas Saenz Julienne <redacted>

Do you want me to pick this up for the 5.5 dma-mapping tree, or do you
want me to wait for the rest to settle?

I'd say take it, this will be ultimately needed once we push forward with ARM.

Can you resend a version that applies against 5.4-rc?  The current one
has conflicts in the arm64 code.