http://bugzilla.kernel.org/show_bug.cgi?id=10927
------- Comment #49 from [EMAIL PROTECTED] 2008-06-18 15:03 -------
[EMAIL PROTECTED] wrote:
> ------- Comment #48 from [EMAIL PROTECTED] 2008-06-18 14:53 -------
> I wonder, what happens if we load %ss with 0 initially and then with the %cs
> value? The null selector is invalid in protected mode so that might cause the
> CPU to wipe out the hidden part of the register ...
Absolutely nothing. If you were in protected mode, loading %ds and %ss
with the same value would set the attribute bits to the same thing.
Since the attribute bits didn't change, you're in real mode, and there
are no null selectors in real mode.
-hpa
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