Subject: Re: powerpc/book3s: Fix the MCE code to use CONFIG_KVM_BOOK3S_HV_POSSIBLE

From: Michael Ellerman <[email-masked]>
Date: Fri, 30 Jan 2015 17:17:04 +1100 (AEDT)

On Wed, 2015-07-01 at 04:43:07 UTC, Mahesh Salgaonkar wrote:
> From: Mahesh Salgaonkar <[email-masked]>
> 
> commit id 9975f5e added new config variable CONFIG_KVM_BOOK3S_HV_POSSIBLE
> that helps to select the relevant code in the kernel when HV and PR
> bits are built as separate modules. As part of that commit, all the
> instances of #ifdef CONFIG_KVM_BOOK3S_64_HV was replaced with
> CONFIG_KVM_BOOK3S_HV_POSSIBLE. But the MCE code still depends on
> CONFIG_KVM_BOOK3S_64_HV which is wrong. When HV bits are built as a
> separate module the relevent MCE code gets excluded. This patch fixes
> the MCE code to use CONFIG_KVM_BOOK3S_HV_POSSIBLE.

So what is the symptom? ie. is it fatal or just annoying.

And depending on that, should this go to stable?

cheers