On Fri, 2006-09-15 at 21:04 +0200, Ingo Molnar wrote: > 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. a 'cli' has to be added too - so 3 bytes longer. Ingo >