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? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>