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SubjectRe: [PATCH]Fix broken VMI in 2.6.27-rc..
H. Peter Anvin wrote:
> The fixmap area should never have been made movable. It's utter
> braindamage.

Shrug. It's been like that for a couple of years now. It was one of
the very first paravirt-ops patches. It wasn't controversial then, and
nobody seems to have noticed since.

> Given the x86 architecture, it's inevitable that PV will want to
> reserve address space at the top of memory, and therefore the fixmap
> area needs to be moved out of that space.

OK. But there's a few places where the code uses FIXADDR_TOP to mean
"top of kernel address space", so we'd need to come up with a proper
symbol for that.

J


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