On Fri, 2006-09-15 at 20:59 +0200, Ingo Molnar wrote: > a third possibility would be to generate not a jump straight into the > trampoline, but a jump to a kprobes-controlled function: > a fourth possibility would be to insert a pushf/popf sequence: pushf jmp $tramp_addr popf that makes the inserted code 2 bytes longer. A pushf/popf pair is 3-7 cycles on a modern CPU. Ingo