[coyotos-dev] I love Intel

[Jonathan S. Shapiro]

On Sun, 2007-12-30 at 16:28 +1100, William Leslie wrote:

> 
> Unless I'm missing something. How often will a read-only IDT fault
> under normal usage?

Once initialized, it shouldn't. The problem here is the need to
recognize yet another icky case in the page fault path. The nice thing
about the non-cacheable region approach is that it recovers without even
taking the page fault.

shap