linux-kernel - Re: [PATCH v0 01/11] stm class: Introduce an abstraction for System Trace Module devices

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Date:	Thu, 19 Mar 2015 16:23:07 +0200
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Pratik Patel <pratikp@...eaurora.org>, peter.lachner@...el.com,
	norbert.schulz@...el.com, keven.boell@...el.com,
	yann.fouassier@...el.com, laurent.fert@...el.com,
	linux-api@...r.kernel.org
Subject: Re: [PATCH v0 01/11] stm class: Introduce an abstraction for System Trace Module devices

Mathieu Poirier <mathieu.poirier@...aro.org> writes:

> I forgot to mention in my previous email...  I think the hierarchy of
> our respective tracing module along with the generic-stm probably
> needs a review.
>
> Currently we have drivers/coresight, drivers/intel_th and drivers/stm.
>
> To me it doesn't scale - what happens when other architectures come
> out with their own hw tracing technologies?
>
> I suggest we move everything under drivers/hwtracing and as such have:
>
> drivers/hwtracing
> drivers/hwtracing/intel_ht
> drivers/hwtracing/coresight
> drivers/hwtracing/stm
>
> That way other architectures can add drivers for their own hw tracing
> technology without further polluting the drivers/ directory and
> concentrating everything in the same area.  What's your view on that?

I wanted to suggest something similar, actually, if you don't mind
moving drivers/coresight, then let's do it.

Regards,
--
Alex
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