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[Xen-devel] [PATCH 5/12] VTPM mini-os: mfn_is_ram check disable
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| Subject: | [Xen-devel] [PATCH 5/12] VTPM mini-os: mfn_is_ram check disable |
| From: | Matthew Fioravante <matthew.fioravante@xxxxxxxxxx> |
| Date: | Fri, 11 Mar 2011 17:48:00 -0500 |
| Delivery-date: | Fri, 11 Mar 2011 14:55:08 -0800 |
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Currently when mapping io memory regions into a mini-os domain a check
is performed to make sure the memory region really is io memory. While
this is a good idea in practice, the code doing the check fails if you
have over 4GB since there may be system memory mapped after the io
memory mappings.
This patch disables the check and turns it into a stub. It is required for tpm passthrough to the vtpm manager domain. Signed off by: Matthew Fioravante <matthew.fioravante@xxxxxxxxxx>
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