Re: [PATCH v2 06/13] KVM: x86: save/load state on SMM switch

[Paolo Bonzini]

On 03/06/2015 21:02, Radim KrÄmÃÅ wrote:
> > +	if (r < 0)
> > +		return;
> 
> And if we fail to write it, is there other option than throwing an error
> to userspace?  (Unset HF_SMM_MASK and pretend that nothing happened
> doesn't find much support in docs.)

Just do nothing, I guess.  If this is ROM, things will work (for some
definition of work) the same as in real hardware.  If it's MMIO, they
will break as soon as the next instruction is executed.

Paolo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/