Re: [RFC 28/31] x86/alternative: Create symbols for special section entries

Josh Poimboeuf
2024-09-04T16:13:15Z

On Wed, Sep 04, 2024 at 10:08:42AM +0200, Peter Zijlstra wrote:
> On Tue, Sep 03, 2024 at 09:28:29PM -0700, Josh Poimboeuf wrote:
> > Take a more generic approach: for the "array of structs" style sections,
> > annotate each struct entry with a symbol containing the entry. This
> > makes it easy for tooling to parse the data and avoids the fragility of
> > hardcoding section details.
> >
> > (For the "array of pointers" style sections, no symbol is needed, as the
> > format is already self-evident.)
>
> (so someone went and touched a ton of the alternative code recently,
> this is going to need a rebase)
>
> This generates a metric ton of symbols and I'm not seeing you touch
> kallsyms.c, do we want to explicitly drop these from a --all-symbols
> build? I don't think it makes sense to have them in the final image,
> right?

Yes, good point.

--
Josh