Re: [PATCH v5 0/5] Provide infrastructure and examples for custom kernels and modules

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2018-02-15 15:43, Alexander Smirnov wrote:
> On 02/14/2018 12:13 PM, Jan Kiszka wrote:
>> This is now finally the promised patches to provide simple patterns for
>> building custom kernels for Isar images that replace the distro kernels.
>> It also provids the same pattern for custom out-of-tree kernel modules.
>>
>> Changes in v5:
>>   - dropped merged patches
>>   - reworked kernel packages naming and selection mechanism to use
>>     flavor/arch rather them overwriting upstream names
>>   - fixed rebuilds of the kernel (.version was causing problems)
>>   - moved kernel build into script - and switched back to include pattern
>>   - provided note on origin of exemplary defconfig
>>   - add KERNEL_DEFCONFIG variable
>>
>> Jan
> 
> $ start_vm -a arm -d jessie
> 
> ...
> 
> root@isar:~# modprobe example-module
> [  110.444107] Just an example
> modprobe: ERROR: could not insert 'example_module': No anode
> 
> 
> The same for amd64:
> 
> 
> root@isar:~# modprobe example-module
> [   38.343926] example_module: loading out-of-tree module taints kernel.
> [   38.353140] Just an example
> modprobe: ERROR: could not insert 'example_module': No anode
> 
> Please take a look.
> 

static int __init example_module_init(void)
{
        printk("Just an example\n");
        return -ENOANO;
}

module_init(example_module_init);

:)

Jan

-- 
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux