On Sunday 05 February 2006 21:50, Stefan Richter wrote:
> Andi Kleen wrote:
> > BenH's firescope tool does this already using raw1394
> > (I have it working now on x86-64 too). I dont quite see the point
> > of adding another kernel driver for it though. This can be all
> > done fine in userspace.
>
> The point is to provide an interface like /dev/mem in order to use a
> wider range of debug/ forensics/ hacker tools than specialized
> libraw1394 clients.
I don't see the benefit really. It can be as well provided by
a userspace library
Many of the debug tools don't even work on /dev/mem, but use
different interfaces (/proc/kcore, gdb remote protocol etc.)
Also raw1394 could possibly be used to cause interrupts
on the target and also stop the target CPU this way.
-Andi
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