On 15 May 2012 04:33, Alexander Sack <a...@linaro.org> wrote:
> Hi Tushar,
>
> On Mon, May 14, 2012 at 8:04 PM, Tushar Behera <tushar.beh...@linaro.org> 
> wrote:
>> On 14 May 2012 13:40, Tushar Behera <tushar.beh...@linaro.org> wrote:
>>> On 05/12/2012 11:09 PM, Andrey Konovalov wrote:
>>>> Tushar,
>>>>
>>>> On 05/11/2012 09:04 AM, Tushar Behera wrote:
>>>>> On 05/11/2012 01:04 AM, Andrey Konovalov wrote:
>>>>>> Greetings,
>>>>>>
>>>>>> So far I wasn't updating the linux-linaro tree since the 12.04 release.
>>>>>> (The generic topic updates were being done to the
>>>>>> linux-linaro-core-tracking tree)
>>>>>>
>>>>>> Now it is time to move the focus to the linux-linaro tree. For one week
>>>>>> it will use the mainline tip as the base. Then, on next Thursday the
>>>>>> most recent -rc will be selected as the base, and won't be changed until
>>>>>> 12.05 is released. Most probably it will be v3.4-rc7.
>>>>>>
>>>>>> The 12.05 linux-linaro tree will get the ARM and Samsung LTs topics plus
>>>>>> the 7 generic topics currently included into the
>>>>>> linux-linaro-core-tracking tree:
>>>>>>     ufs (ufs-for-linux-linaro)
>>>>>>     emmc (emmc-for-linux-linaro)
>>>>>>     thermal_exynos4_imx6 (thermal_exynos4_imx6_work)
>>>>>>     linaro-android-3.4
>>>>>>     armlt-gator (tracking-armlt-gator)
>>>>>>     umm-wip (umm-3.4rc4-wip)
>>>>>>     linaro-configs-3.4
>>>>>> If you don't see your generic topic in this list, but you think it
>>>>>> should be there, please let me know ASAP. If you have a new topic to
>>>>>> add, please send me the request before the next Thursday, May 17; the
>>>>>> sooner, the better. The requirements for a topic can be found here:
>>>>>> https://wiki.linaro.org/Platform/DevPlatform/LinuxLinaroKernelTreeProcess#Adding_a_topic_to_linux-linaro_kernel_and_maintaining_it
>>>>>>
>>>>>>
>>>>>>
>>>>>> The landing teams - please update your topic branches if needed:
>>>>>> ARM:
>>>>>>     tracking-armlt-hdlcd tracking-armlt-mmc
>>>>>>     tracking-armlt-arm-arch-fixes tracking-armlt-misc-fixes
>>>>>>     tracking-armlt-ubuntu-config tracking-armlt-android-config
>>>>>> Samsung:
>>>>>>     topic/base topic/core topic/bl topic/dt topic/fb topic/pd
>>>>>>     topic/s2ram topic/asv_cpufreq topic/led topic/dummy_reg
>>>>>>     topic/gadget topic/touch topic/wlan topic/audio topic/hdmi
>>>>>>     topic/mali topic/cma_v24 topic/android_config
>>>>>>
>>>>> Is any other LT using CMA patchset? If so, this topic branch can be
>>>>> moved into linux-linaro-core-tracking.
>>>>
>>>> That's a good idea, thanks!
>>>>
>>>> The only problem is that your topic/cma_v24 is based on the topic/base,
>>>> and thus includes "CONFIG: ORIGEN:" commits and an older version of
>>>> linaro-configs-3.4 topic. In particular, the latter recreates
>>>> configs/panda.conf file which has been deleted from the current
>>>> linaro-configs-3.4. Could you please make topic/cma_v24 mainline based
>>>> (drop these "CONFIG: ORIGEN:" and configs/* changes)? And is the
>>>> "CONFIG_CMA_SIZE_MBYTES=32" option Origen specific or generic? If it is
>>>> generic, it should go into a separate file, e.g. configs/cma.conf.
>>>>
>>> I didn't mean to include topic/cma_v24 with the patches from topic/base,
>>> rather the clean patchset from Marek. But now that we have the umm topic
>>> branch in linux-linaro-core-tracking, we don't need topic/cma_v24
>>> anymore. If any fixes with respect to Origen are required, I will queue
>>> them up in another topic branch.
>>>
>>> I will shortly send you the list of topic branches for 2012.05 release,
>>> now that 3.4-rc7 is already released.
>>>
>>
>> While migrating the Android solution to use linux-linaro-core-tracking, I
>> get kernel panic with umm-patchset (haven't dug deep into it though, it
>> might be because the multimedia drivers are not yet migrated for using UMM).
>> Would it be ok if we only include CMA patchset, but not the dma-buf and
>> dma-mapping patches?
>>
>
> are you asking whether we would consider to drop dma-mapping from
> linux-linaro tree or if it would be a bad idea to do that in your
> samsung LT tree?
>

Actually we were planning to base 2012.05 release on linux-linaro kernel,
that is why I was looking at options.

We will rather have 2012.05 release based Samsung LT tree till this issue
has been fixed.

> For linux-linaro, we probably would prefer to try to fix it before
> talking about the option to drop such a core topic. Do you have more
> info about the kernel panic you see?



>
> --
> Alexander Sack
> Technical Director, Linaro Platform Teams
> http://www.linaro.org | Open source software for ARM SoCs
> http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog



-- 
Tushar Behera

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