Messages in this thread | | | Date | Fri, 11 Feb 2011 20:35:18 +0300 | From | Cyrill Gorcunov <> | Subject | Re: [PATCH] x86_64: disable identity mappings statically |
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On 02/11/2011 08:07 PM, Jiri Olsa wrote: > On Fri, Feb 11, 2011 at 08:46:41AM -0800, Eric W. Biederman wrote: >> Jiri Olsa <jolsa@redhat.com> writes: >> >>> hi, >>> >>> while browsing the page table setup code, I noticed the x86_64 head >>> code might not need the identity mappings at all. >>> It seems it's ok to switch it off completely from the begining, >>> unless I'm missing something. >> >> Have you tested it? > > yes, I booted it with no problem >
Hi Jiri, just wonder -- hibernation still works after that? Also Xen might/might-not need it as well, and walk_pgd_level seems to use it as well, no?
-- Cyrill
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