On 12/14/2015 03:39 PM, Andy Lutomirski wrote: >> > Nope. My linker-fu is weak. >> > >> > Can we even depend on the linker by itself? Even if the sections were >> > marked --x, we can't actually use them with those permissions unless we >> > have protection keys. >> > >> > Do we need some special tag on the section to tell the linker to map it >> > as --x under some conditions and r-x for others? >> > > Why? Wouldn't --x just end up acting like r-x if PKRU is absent?
An app doing --x would expect it to be unreadable. I don't think we can just silently turn it in to r-x. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
