Re: [PATCH v1] selftests: Handle old glibc without execveat(2)

[Nathan Chancellor <nathan@kernel.org>]

On Fri, Jan 17, 2025 at 04:47:05PM +0100, Mickaël Salaün wrote:
> On Fri, Jan 17, 2025 at 03:42:22PM +0100, Günther Noack wrote:
> > Do you want to add a comment next to these, to remind ourselves do undo this?
> > You are surely not planning to support old versions of glibc indefinitely?
> 
> I don't about glibc.  Minimal versions for other tools are documented
> here though:
> https://docs.kernel.org/process/changes.html
> 
> Nathan, Jon, any idea?

I do not know if the idea of setting a minimum supported version of a
libc has ever come up before (at least I am unaware of one). I suspect
most people do a patch like this then move on because it is the
maximally compatible option and these samples are not changing much, are
they? This is the first build error I can recall seeing as a result of
using an older glibc environment. If we would like to seriously consider
setting a minimum supported version of glibc, it deserves a conversation
with a wider audience since it could impact areas other than the
samples, such as host tools (and IMHO, feels like a big hammer).

Cheers,
Nathan