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SubjectRe: Cache aliasing
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On Mon, 2003-02-24 at 23:24, John Newlin wrote:
> Would it make more sense to just always ensure that your
> virtual and physical pages had matching "color" bits?

No, it's actually very difficult to solve the problem this
way.

The reason being that there is always a fixed "kernel virtual
color" every physical page has. So essentially, if you colored
userspace, you could only put into user virtual address with
color X only pages that also have kernel virtual color X.

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