On Thu, Aug 14, 2025 at 02:59:13PM +0200, David Hildenbrand wrote: > On 14.08.25 14:09, Mark Brown wrote: > > Perhaps this is something that needs considering in the ABI, so > > userspace can reasonably figure out if it failed to configure whatever > > is being configured due to a missing feature (in which case it should > > fall back to not using that feature somehow) or due to it messing > > something else up? We might be happy with the tests being version > > specific but general userspace should be able to be a bit more robust. > Yeah, the whole prctl() ship has sailed, unfortunately :( Perhaps a second call or sysfs file or something that returns the supported mask? You'd still have a boostrapping issue with existing versions but at least at any newer stuff would be helped.
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