* Dave Martin: > You're right that this has implications: for i386, libc probably pulls > more arguments off the stack than are really there in some situations. > This isn't a new problem though. There are already generic prctls with > fewer than 4 args that are used on x86. As originally posted, glibc prctl would have to know that it has to pull an u64 argument off the argument list for ARCH_X86_CET_DISABLE. But then the u64 argument is a problem for arch_prctl as well. Thanks, Florian