From: george anzinger <george@mvista.com>
Date: Wed, 04 Dec 2002 14:31:09 -0800
It might help to understand just what registers do_signal
needs. It doesn't need them all, I suspect.
Some of the original register values the process had before
the system call was processed.
I think it's best just to abstract this away properly, as
Linus said to begin with I'd like to note, rather than trying
to come up with a "portable way to call do_signal()".
do_signal is magic and this allows all sorts of great optimizations
and simplifications, please don't add any constraints or complexity
to it.
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