[PATCH v2] configs: KASLR OPTEE RNG support for K3 devices

[Gokul Praveen]

Hi Bryan,

On 10/07/25 19:47, Bryan Brattlof wrote:
> On July 10, 2025 thus sayeth Gokul:
>> From: Gokul Praveen <g-praveen at ti.com>
>>
>> KASLR, or Kernel Address Space Layout Randomization, is a security
>> feature in the Linux kernel that randomizes the memory location
>> where the kernel is loaded during boot.
>>
>> OP-TEE RNG is a Random Number Generator (RNG) component within the
>> Open Portable Trusted Execution Environment (OP-TEE) which provides
>> a random number to U-BOOT and U-BOOT provides this random number
>> as seed value to the LINUX kernel for KASLR.
>>
>> Add KASLR OPTEE RNG support across K3 devices by enabling the required
>> configs.
>>
>> Signed-off-by: Gokul Praveen <g-praveen at ti.com>
>> ---
>> v2<==> v1
>> ===========
>> * Added 'if' condition for configs to avoid enabling this feature
>>    in R5.
> 
> Works for me.
> 
> Reviewed-by: Bryan Brattlof <bb at ti.com>
> 
>>
>> Boot logs Link :
>>
>> https://gist.github.com/GokulPraveen2001/44aa8c0962438c12ffc55e6ed67742e5
> 
> Just curious are you enabling the kaslrseed command for this build? It
> looks like you're using TI's evil vendor scripts but I assumed the
> kaslrseed command was disabled.

Can you elaborate more on this,Bryan?

Actually, we are not using the kaslrseed device tree property. Is that 
what you meant,Bryan?
> 
> ~Bryan

Regards Gokul.