> Ok, so you're saying that syscall and int are not causing LBR callstack to > record an entry. If that is the case, then a rfi should not cause a pop of the > last LBR entry. Is that right?
rfi = ? But likely yes. There shouldn't be any ring 0 branches in the callstack LBR, as long as the patch forcing it to ring 3 is still there. -Andi -- [email protected] -- Speaking for myself only
