Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support

[Paolo Bonzini]

On 13/06/2016 12:01, Haozhong Zhang wrote:
> > I would prefer to avoid having to change the firmware (SeaBIOS and OVMF)
> > every time a new bit is added.  Using fw_cfg makes it possible to
> > develop the feature in the firmware once and for all.
> 
> Thanks for the explanation! Is it proper to add a key in fw_cfg for
> this purpose, e.g FW_CFG_MSR_FEATURE_CONTROL to pass bits that are
> supposed to be set by firmware?

We usually add new files now, so it would be a new file named
"etc/msr-feature-control".

Thanks,

Paolo