> Looking at this approach, the user interface is straightforward, > implementation in the x86 code is a bit more hairy because of the way > the branch_stack is captured, via the cpuc->lbr_entries. If you assume > that SKID_IP cannot be used with any other branch stack mode, then it > is easy. It becomes messy if you don't.
That should be fine. After all if you have real LBRs you don't need the skid IP. -Andi
