Re: [PATCH] ARM: exynos_defconfig: disable CONFIG_EXYNOS5420_MCPM; not stable

[Kevin Hilman <khilman@kernel.org>]

Kukjin Kim <kgene@kernel.org> writes:

> Kevin Hilman wrote:
>> 
>> From: Kevin Hilman <khilman@linaro.org>
>> 
>> The option CONFIG_EXYNOS5420_MCPM is causing imprecise external aborts
>> during boot testing, causing various userspace startup failures.
>> 
>> Disable until it has gotten more testing.
>> 
>> Cc: Kukjin Kim <kgene.kim@samsung.com>,
>> Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>,
>> Cc: Sachin Kamat <sachin.kamat@samsung.com>,
>> Cc: Doug Anderson <dianders@chromium.org>,
>> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
>> Cc: Tushar Behera <tushar.behera@linaro.org>,
>> Cc: stable@vger.kernel.org # v3.17+
>> Signed-off-by: Kevin Hilman <khilman@linaro.org>
>> ---
>> This has been reported by a few people[1], but not investigated or fixed, so it's
>> time to disable this feature until it can be fixed.
>> 
> Hi Kevin,
>
> Yeah I agree with your opinion.
>
> But as you can see my tree, I've queued regarding mcpm patches for 3.19 will
> be shown in -next in this weekend. 

Which of the recently queued patches are expected to address the
imprecise abort issue?  I'd be happy to test them out.  

> Anyway let me apply this into -fixes and
> then let's enable after test its functionality in -next in a couple of days.

Yes, I think this needs to be applied until these aborts are understood
and fixed.

Thanks,

Kevin