Subject: where do system calls from userland start
To: None <>
From: Travis H. <>
List: tech-kern
Date: 08/24/2006 20:10:50

I was going to teach someone about the kernel, and I wanted to start
them at the system call entry point, but I've forgotten what file that
is located in.  I assume it's in the x86-specific code (for the x86
platform, anyway); anyone know offhand?

Also, I recall reading about NT internals versus Unix, and someone
mentioned that if you wanted to add a new system call or change the
meaning of an argument or add an argument, that you got a lot of
resistance in Unix.  I'm sure there was a good reason, so why exactly
is that the case?  Does NT have a technical advantage in the way it
handles system calls?
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