Yes. However, you should still use "pushl" and "popl", because they are
smaller and faster. The upper bits are just ignored and/or push undefined
values.
Go figure, the x86 is a strange and wonderful beast.
However, in this particular case the right thing to do is to just reset
the segment register values in the trap handler rather than in entry.S.
I'm doing that in my current kernel, I'll make a pre-2.1.122-3 shortly.
Linus
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