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 08:39:02 -0600
From:	Mathieu Poirier <mathieu.poirier@...aro.org>
To:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.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

On 19 March 2015 at 08:23, Alexander Shishkin
<alexander.shishkin@...ux.intel.com> wrote:
> 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.

That's a deal - my next patchset will reflect that new organisation.

>
> Regards,
> --
> Alex
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