Prasanna S Panchamukhi wrote:
Hi Tom, George,
Kgdb provides setjmp/longjmp() routines defined
in arch/i386/kernel/kgdb-jmp.S file.
These setjmp/longjmp() routines can be used
to provide robust fault hanlding for kprobes
and systemtap as shown in the prototype:
http://sources.redhat.com/ml/systemtap/2006-q2/msg00250.html
Is it possible for you to post the setjmp/longjmp()
routines as a generic patch which can be used
by kgdb, kprobes, systemtap etc.
I advise caution here. At the very least there should be strong
warnnings to the effect that the code path long jumped over must not
contain anything that ends up modifying memory. In particular, changes
to the preemption level are of most concern (they being hidden in
various spinlock macros and such).
Also, please note my new email address...
--
George Anzinger [EMAIL PROTECTED]
HRT (High-res-timers): http://sourceforge.net/projects/high-res-timers/
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