Re: [PATCH] dma/mapping.c: dev_dbg support for dma_addressing_limited

[Balbir Singh]

On 4/14/25 21:14, Christoph Hellwig wrote:
> On Mon, Apr 14, 2025 at 09:06:46PM +1000, Balbir Singh wrote:
>> +	dev_dbg(dev, "might have lower perf due to bounce buffering\n");
> 
> I don't think that's a good message.  Report the actual observation,
> i.e. "device is DMA addressing limited" and not a guessed conclusion.
> 

The bounce buffering remark came from the rest of the mention in code
and I agree the perf is based on my experience and may not be true
in all cases.

I'll respin

Balbir