On 18 March 2016 at 09:40, Christoffer Dall <christoffer.dall@xxxxxxxxxx> wrote: > On Mon, Mar 14, 2016 at 06:20:36PM +0000, Andre Przywara wrote: >> Well, probably there is not so much difference. I was just wondering if >> it would be easier to treat that data as an opaque blob. >> But you are probably right that it would just mean the difference >> between documenting the format or not. > Even ignoring the migrate-to-TCG case, you cannot treat it as a blob, > because you want to be able to migrate between KVM on kernel version X > and version Y. You could require userspace to treat it as an opaque blob, and transparently handle any version-upgrade within the kernel. I think having it be documented-to-userspace ABI makes it clearer that any format changes are a Big Deal, though. thanks -- PMM -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
