Re: [PATCH V15 11/11] arm/arm64: KVM: add guest SEA support

[Borislav Petkov]

On Mon, May 08, 2017 at 01:54:44PM -0600, Baicar, Tyler wrote:
> This was discussed in the v12 and v13 patch series. There is existing
> code in kvm_handle_guest_abort for injecting an abort back into the
> guest. We only want to do that if it was an abort that was not handled
> by the firmware first handling. So here we verify that at least one of
> the SEA error sources successfully reported an error record sent from
> the firmware. If there were no errors reported by firmware, then we
> want to continue with the current implementation that will inject the
> virtual abort. (kvm_inject_vabt)

So this needs to be in a comment there. This is generic code in the
sense that it is in drivers/acpi/ and it should say why it is doing that
special thing. I know, SEA is ARM-only, as far as I'm gathering from
reviewing this, but this behavior needs to be documented as it is not
obvious.

Thanks.

-- 
Regards/Gruss,
    Boris.

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