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

[Marc Zyngier]

On 2022-08-18 16:43, Mark Brown wrote:
> On Thu, Aug 18, 2022 at 02:49:20PM +0100, Marc Zyngier wrote:
>
> > I don't care much about regmap as a MMIO backend, but it strikes me as
> > odd that you end up with multiple ways of logging the same stuff (with
> > a memcpy in the middle of it).
>
> > Why can't this be done with a small amount of trace post-processing?
>
> At the minute we don't put the actual data for the bulk transfers into
> the trace so the information simply isn't there.

But isn't that what this patch should do?

We also have recently merged the CONFIG_TRACE_MMIO_ACCESS which
already dumps all sort of MMIO crap^Winformation.

Surely there should be a more common approach to this.

        M.
--
Jazz is not dead. It just smells funny...