* VMCS weirdness
@ 2013-01-22 10:40 emdel
2013-01-22 11:04 ` Jan Beulich
0 siblings, 1 reply; 2+ messages in thread
From: emdel @ 2013-01-22 10:40 UTC (permalink / raw)
To: xen-devel
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Hello everybody,
just a quick question. According to the INTEL Manual the VMCS should be
aligned
to 4k-boundary page.
During a debugging session of nested Xen Environment 4.2 i386 I've observed
an VMCS
was not aligned but just started in the middle of the page, any hints for
that?
--
/emdel
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* Re: VMCS weirdness
2013-01-22 10:40 VMCS weirdness emdel
@ 2013-01-22 11:04 ` Jan Beulich
0 siblings, 0 replies; 2+ messages in thread
From: Jan Beulich @ 2013-01-22 11:04 UTC (permalink / raw)
To: emdel; +Cc: xen-devel
>>> On 22.01.13 at 11:40, emdel <emdel@playhack.net> wrote:
> Hello everybody,
> just a quick question. According to the INTEL Manual the VMCS should be
> aligned
> to 4k-boundary page.
> During a debugging session of nested Xen Environment 4.2 i386 I've observed
> an VMCS
> was not aligned but just started in the middle of the page, any hints for
> that?
Hardly - neither would that work, nor can I see where such an
allocation would be happening (they're all being done through
alloc_xenheap_page() afaict).
Jan
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