Re: [PATCH] i386 & x86_64: Live Patching Funcion on 2.6.11.7

[Daniel Jacobowitz]

On Mon, Apr 18, 2005 at 10:41:23AM +0900, Takashi Ikebe wrote:
> Daniel-san,
> GDB based approach seems not fit to our requirements. GDB(ptrace) based 
> functions are basically need to be done when target process is stopping. 
> From our experience, sometimes patches became to dozens to hundreds at 
> one patching, and in this case GDB based approach cause target process's 
> availability descent.

That's right, it does require the target process be stopped.  If it
isn't stopped how do you know it isn't executing the same instruction
you're currently patching?

Even with hundreds of kilobytes of patch, I have trouble imagining this
takes a substantial amount of time.

-- 
Daniel Jacobowitz
CodeSourcery, LLC
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