[coreboot] Any changes to coreboot for low latency kernel

[Saket Sinha]

Hi Mayuri,

Please find my response inline -


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> 1)Do we need to do any changes in coreboot to support low latency kernel?

Before answering the question, I would ask you to a bit more specific
to the question as to what kernel configuration you are using to make
it low-latency  kernel.

The most relevant kernel options if you want to recompile your kernel
yourself to have a low-latency desktop are:

PREEMPT=y

and:

CONFIG_1000_HZ=y and/or CONFIG_NO_HZ=y

>
>
> 2) Is there a way to communicate from SeaBIOS to GRUB regarding selection of any particular partition for recover?

I have run SeaBIOS with GRUB as payload over qemu-x86 and get a grub
shell. After you get the  grub shell, you should be able to recover
any particular partition i.e. any partition with the /boot directory
containing the vmlinuz and other boot image files can be booted.

Though I have done it over qemu-x86 (but that should not matter.)

>
>
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> 3)Has anybody  tested TPM (Trusted platform module for Intel SOC) with coreboot and seabios? Any help will be appreciated.
>
>
Sorry, NO.


 Regards,
Saket Sinha