[meta-freescale] linux-imx-3.10.9 with preempt-rt patch

Otavio Salvador otavio at ossystems.com.br
Tue Mar 25 04:43:15 PDT 2014

Hello Jacob,

On Tue, Mar 25, 2014 at 7:49 AM, Jacob Kroon <jacob.kroon at gmail.com> wrote:
> On Mon, Mar 24, 2014 at 6:10 PM, Jacob Kroon <jacob.kroon at gmail.com> wrote:
>> On Mon, 24 Mar 2014, Otavio Salvador wrote:
>>> On Mon, Mar 24, 2014 at 1:52 PM, Fabio Estevam <festevam at gmail.com>
>>> wrote:
>>>> What about creating a recipe for rt kernels, so that folks interested
>>>> in real-time kernel could easily test it under meta-fsl-arm?
>>> I like this idea. Jacob, are you up for the task? I can help if you want.
>> Yes, it sounds like a good idea. I'll come up with a
>> patch for a linux-imx-rt recipe and post it for review here.
> So, the local patches I have are very light-weight, and the RT-patch can be
> downloaded externally, but I wonder about the defconfig. Preempt-RT switches
> the config parameters quite a lot, is there a tool or trick to use in order
> to "cleanup" the defconfig to make it as minimal as possible ? Right now I
> just use linux-imx defconfig as a start, turn on preempt-rt, and save the
> resulting .config file.

So in this case please *download* the RT-patch. Check the 'name' param
for the SRC_URI so you can add the md5sum and sha256sum for it.

For the defconfig, yes. You should do:

make ARCH=arm savedefconfig

after doing the required changes.

Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750

More information about the meta-freescale mailing list