Messages in this thread | | | Date | Mon, 21 Aug 2006 22:10:09 +0200 | From | Andi Kleen <> | Subject | Re: [Fastboot] [PATCH][RFC] x86_64: Reload CS when startup_64 is used. |
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> I'm not certain I caught everything but as far as I know I did. > Part of that was by having the code run at a fixed virtual address so > we still live in the last 2GB of the virtual address space.
You changed the -2GB (or rather -40MB unpatched) mapping to not necessarily be linear? There are a couple of assumptions that it is, including at boot up (it doubles as the 1:1 mapping then) and in change_page_attr() and in suspend/resume.
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