On 02/17/2016 02:17 PM, Andy Lutomirski wrote: >> > Is there a way to detect this feature's availability without userspace >> > having to set up a segv handler and attempting to read a >> > PROT_EXEC-only region? (i.e. cpu flag for protection keys, or a way to >> > check the protection to see if PROT_READ got added automatically, >> > etc?) >> > > We could add an HWCAP.
I'll bite. What's an HWCAP?
