Re: [PATCH v1] regmap: introduce value tracing for regmap bulk operations

From: Mark Brown
Date: Fri Aug 19 2022 - 10:44:34 EST


On Fri, Aug 19, 2022 at 01:31:35PM +0000, Dmitry Rokosov wrote:
> On Fri, Aug 19, 2022 at 01:07:47PM +0100, Mark Brown wrote:

> > I didn't realise that was even a question, but then there seems to be
> > some discussion I've not seen given the CCing going on. The biggest
> > issue is do we even want the overhead but I'll need to find time to look
> > at this properly.

> No any additional discussion before. I've added your address to all emails
> which I sent.

I assume you copied in Thomas, Rasmus and Marc for some reason?

> Why do you think it this patch will bring overhead to regmap? AFAK, when
> tracepoint is disabled, tracepoint fast assign operation shouldn't be
> executed. In other words, memcpy will not be applied.

To repeat I have not yet looked at your patch properly, one concern is
how we handle the marshalling which regmap does.

Attachment: signature.asc
Description: PGP signature