On Thu, Apr 5, 2012 at 2:44 PM, Matt Helsley <matthltc@xxxxxxxxxx> wrote:
>
> I don't think the definition of an ABI is whether there's documentation
> for it. It's whether the interface is used or not. At least that's the
> impression I've gotten from reading Linus' rants over the years.
Yes.
That said, I *do* have some very dim memory of us having had real
issues with the /proc/<pid>/exe thing and having regressions due to
holding refcounts to executables that were a.out binaries and not
demand-loaded. And people wanting to unmount filesystems despite the
binaries being live.
That said, I suspect that whatever issues we used to have with that
are pretty long gone. I don't think people use non-mmap'ed binaries
any more. So I think we can try it and see. And revert if somebody
actually notices and has problems.
Linus
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