Re: [PATCH 3/5] lguest: avoid accidental recycling of pgdir pages

From: Rusty Russell
Date: Sat Mar 28 2009 - 02:37:38 EST


On Saturday 28 March 2009 03:03:04 Jeremy Fitzhardinge wrote:
> Rusty Russell wrote:
> > Now, I haven't *seen* this happen...
> >
>
> Oh, maybe its because you already zap the shadows on tlb flush, and the
> kernel is careful to tlb flush every pagetable page before freeing...

OK, you've convinced me. I'll drop this patch. It was as I was looking for
the inconsistent pte values that I thought of this issue.

Thanks!
Rusty.
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