Re: [PATCH 0/5] ftrace: to kill a daemon

[Steven Rostedt]

On Sat, 9 Aug 2008, Bodo Eggert wrote:

> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > On Sat, 9 Aug 2008, Andi Kleen wrote:
> >> Steven Rostedt <rostedt@xxxxxxxxxxx> 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??)

What would those last three bytes be?

-- Steve

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