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From:   Dmitry Rokosov <DDRokosov@sberdevices.ru>
To:     Mark Brown <broonie@kernel.org>
CC:     Marc Zyngier <maz@kernel.org>,
        "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
        "rafael@kernel.org" <rafael@kernel.org>,
        "jic23@kernel.org" <jic23@kernel.org>,
        "linux@rasmusvillemoes.dk>" <linux@rasmusvillemoes.dk>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>,
        kernel <kernel@sberdevices.ru>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1] regmap: introduce value tracing for regmap bulk
 operations
Thread-Topic: [PATCH v1] regmap: introduce value tracing for regmap bulk
 operations
Thread-Index: AQHYsZwRTOzZdLxKvkqpBNcAgWIdzq20YtWAgAAaSQCAAB/4gIAAIcqAgAE0NICAABeIAIAAFDSAgAAKtoA=
Date:   Fri, 19 Aug 2022 15:22:14 +0000
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On Fri, Aug 19, 2022 at 03:44:19PM +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 l=
ook
> > > at this properly.
>=20
> > No any additional discussion before. I've added your address to all ema=
ils
> > which I sent.
>=20
> I assume you copied in Thomas, Rasmus and Marc for some reason?

No reason, sorry for make misunderstanding here.
I have listed other regmap discussions and added them to get more opinions.

>=20
> > Why do you think it this patch will bring overhead to regmap? AFAK, whe=
n
> > tracepoint is disabled, tracepoint fast assign operation shouldn't be
> > executed. In other words, memcpy will not be applied.
>=20
> To repeat I have not yet looked at your patch properly, one concern is
> how we handle the marshalling which regmap does.

Okay, no problem

--=20
Thank you,
Dmitry=