Re: [RFC 1/1] swiotlb: Reduce calls to swiotlb_find_pool()

hch
2024-06-27T06:03:00Z

On Wed, Jun 26, 2024 at 11:58:13PM +0000, Michael Kelley wrote:
> > This patch trades off making many of the core swiotlb APIs take
> > an additional argument in order to avoid duplicating calls to
> > swiotlb_find_pool(). The current code seems rather wasteful in
> > making 6 calls per round-trip, but I'm happy to accept others'
> > judgment as to whether getting rid of the waste is worth the
> > additional code complexity.
>
> Quick ping on this RFC. Is there any interest in moving forward?
> Quite a few lines of code are affected because of adding the
> additional "pool" argument to several functions, but the change
> is conceptually pretty simple.

Yes, this looks sensible to me. I'm tempted to apply it.