Messages in this thread | | | From | Bodo Eggert <> | Subject | Re: [PATCH 0/5] ftrace: to kill a daemon | Date | Sat, 09 Aug 2008 13:50:14 +0200 |
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Steven Rostedt <rostedt@goodmis.org> wrote: > On Sat, 9 Aug 2008, Andi Kleen wrote: >> Steven Rostedt <rostedt@goodmis.org> writes:
>> > I'm stubborn, I want to get it right _and_ keep it fast. >> >> For me it would seem better to just not use two part 5 byte nops >> instead of adding such hacks. I doubt there are that many of them >> anyways. I bet you won't be able to measure any difference between the >> different nop types in any macro benchmark. > > I wish we had a true 5 byte nop. The alternative is a jmp 0, which is > measurable.
Did you try short jumps? (0xeb 0x03 0x?? 0x?? 0x??)
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