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SubjectRe: [PATCH v8 1/3] perf: cavium: Support memory controller PMU counters
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On 27/07/17 10:08, Jan Glauber wrote:
> On Thu, Jul 27, 2017 at 07:11:57AM +0200, Borislav Petkov wrote:
>> On Wed, Jul 26, 2017 at 02:02:42PM -0700, David Daney wrote:
>>> Also, if a given configuration disables CONFIG_EDAC there is some hackery
>>> needed to get the perf portion of the driver included.
>>
>> Yes, and we don't do performance counters in EDAC.
>>
>> So you could add a small memory controller driver which does the
>> arbitration or fix the firmware.
>
> OK. As fixing the firmware will take quite some time I'll go for the memory
> controller driver that starts EDAC / PMU depending on their CONFIG_.

Please could you also rename CAVIUM_PMU to something like CAVIUM_MMC_PMU or even
CAVIUM_UNCOR_PMU ? The symbol could easily be mistaken for a "cavium" CPU PMU.

Suzuki


>
> What would be the proper location for the multiplexer?
> drivers/soc/cavium or drivers/misc?
>
> --Jan
>

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