Re: Pondering per-process vsyscall disablement

H. Peter Anvin
2014-05-30T20:05:59Z

On 05/30/2014 01:00 PM, Andy Lutomirski wrote:
>
> Do the flags go in the ELF loader or in the executable we're running?
> Or both (and, if both, do we and them or or them)?
>
> I think the interpreter makes a little more sense in general: for the
> most part, use of vsyscalls is a property of the runtime environment,
> not of the program being run. But maybe this is naive.
>

They go into each object which becomes part of the running program, i.e.
executable, dynamic libraries, and dynamic linker.

-hpa