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The stable kernel rules allow for "notable" performance fixes, and we already added it to 6.6. No objection to adding it to older kernels... Happy to do it after the current round of releases goes out.
Sacha, Thanks for considering the backport of this patch, much appreciated. This patch greatly impacts servers on production with AMD systems that have lasted since 5.11, having it backported really improves systems performance. Since this patch, I can share that our database team is no longer paged during the night, that's a real noticeable impact.
We all know how difficult it is to maintain kernels and support the hard work you do on this. It's also up to us, the users & industry, to give feedback and testing around this type of story. It could probably be interesting to have a presentation around this at KernelRecipes ;) Erwan,