> The question is about all the additional RSB-frobbing and call depth > counting and other bits that don't really even exist for Skylake yet in > a coherent form. We have had several patch kits posted that all are in a "coherent form" That was the original one http://lkml.iu.edu/hypermail/linux/kernel/1801.1/05556.html and that's the newer one with only interrupt stuffing https://marc.info/?l=linux-kernel&m=151674718914504 We don't have generic deep chain handling yet, but everything else is there. -Andi
