Re: [PATCH 5/5] efi: Capsule update support and pstore backend

[Andi Kleen]

> +	  It should be noted that enabling this opton will pass a capsule
> +	  to the firmware on every boot. Some firmware will not allow a
> +	  user to enter the BIOS setup when a capsule has been registered
> +	  on the previous boot.

That sounds like a problem. Can this be fixed to only do it on demand?

> +
> +	  Many EFI machines have buggy implementations of the UpdateCapsule()
> +	  runtime service. This option will enable code that may not function
> +	  correctly with your firmware.

Do we need white/black lists? 

Controlling such things form CONFIG is not very good.

-Andi
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