On 13/01/17 14:46, Mark Rutland wrote: > On Fri, Jan 13, 2017 at 01:36:12PM +0100, Christoffer Dall wrote: >> On Fri, Jan 13, 2017 at 11:31:32AM +0000, Marc Zyngier wrote: > >> Further, are we guaranteed that the static branch gets compiled into >> something that doesn't actually look at cpu_hwcap_keys, which is not >> mapped in hyp mode? > > The fact that this might happen silently seems to be a larger problem. > > Can we do something like the EFI stub, and ensure that (unintentional) > references to symbols outside of the hyp-stub will fail to link? That's > ensrue by some symbol mangling in drivers/firmware/efi/libstub/Makefile. > > I think this may have come up before; I can't recall if there was some > reason that was problematic. >From what I remember, this was a gigantic mess... We could revisit it though (after all, it's been a whole year since we did turn the whole thing upside down -- time for a rewrite!). M. -- Jazz is not dead. It just smells funny... -- 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
