Re: [PATCH v7 04/15] swiotlb: Add restricted DMA pool initialization

Claire Chang
2021-05-25T03:08:52Z

On Mon, May 24, 2021 at 11:49 PM Konrad Rzeszutek Wilk
<konrad.wilk@oracle.com> wrote:
>
> On Tue, May 18, 2021 at 02:48:35PM +0800, Claire Chang wrote:
> > I didn't move this to a separate file because I feel it might be
> > confusing for swiotlb_alloc/free (and need more functions to be
> > non-static).
> > Maybe instead of moving to a separate file, we can try to come up with
> > a better naming?
>
> I think you are referring to:
>
> rmem_swiotlb_setup
>
> ?

Yes, and the following swiotlb_alloc/free.

>
> Which is ARM specific and inside the generic code?
>
> <sigh>
>
> Christopher wants to unify it in all the code so there is one single
> source, but the "you seperate arch code out from generic" saying
> makes me want to move it out.
>
> I agree that if you move it out from generic to arch-specific we have to
> expose more of the swiotlb functions, which will undo's Christopher
> cleanup code.
>
> How about this - lets leave it as is now, and when there are more
> use-cases we can revisit it and then if need to move the code?
>
Ok! Sounds good!