On Mon, Apr 12 2021 at 19:46, Len Brown wrote: > On Mon, Apr 12, 2021 at 11:21 AM Andy Lutomirski <l...@kernel.org> wrote: >> Even putting aside all kernel and ABI issues, is it actually a good >> idea for user libraries to transparently use these new features? I'm >> not really convinced. I think that serious discussion among userspace >> people is needed. > > At the risk of stating the obvious... > Intel's view is that libraries that deliver the most value from the > hardware are a "good thing", > and that anything preventing libraries from getting the most value > from the hardware is a "bad thing":-)
Sure, and as a consequence the kernel is the problem when creative libraries cause wreckage along the way. I'm fine with that as long the kernel has a way to detect that and can kill the offending application/library combo with an excplicit -SIG_NICE_TRY. Thanks, tglx