On Fri, Jan 13, 2017 at 02:42:04PM +0000, Mark Rutland wrote: > On Fri, Jan 13, 2017 at 01:30:29PM +0000, Marc Zyngier wrote: > > On 13/01/17 12:36, Christoffer Dall 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? > > If I disable CONFIG_JUMP_LABEL (which lives under "General setup", with > teh title "Optimize very unlikely/likely branches"), I see adrp; add; > ldr sequences accessing cpu_hwcap_keys when using cpus_have_const_cap() > in hyp code, even with the patch below. Looking again, that's the same sequence Marc mentioned, as it falls in the BSS. I just happened to be looking at the unlinked .o file rather than the vmlinux. Sorry for the noise. Thanks, Mark. -- 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
