Re: [PATCH v2 3/8] dma-debug: Refactor dma_debug_entry allocation

[Christoph Hellwig]

On Thu, Dec 06, 2018 at 06:10:47PM +0000, Robin Murphy wrote:
> AFAICS the tmp list wasn't about locking as much as meaning that if 
> kzalloc() failed at any point, we can free the partial allocation and back 
> out without disturbing free_entries at all - that still makes sense to me 
> up until patch #8 where we embrace the "never free anything" paradigm and 
> rip out the final traces.
>
> That said, maybe I should just drop the refactoring of 
> dma_debug_resize_entries() now that I'm deleting it as part of the same 
> series anyway - then I guess I squash what's left of this patch into #4 and 
> bring forward some of the simplification from #8 to start with. Would that 
> be more agreeable?

Yes, I just noticed all this goes away toward the end anyway.  We can
either keep it as is, or just drop the intermediate step if that is
easy enough for you.