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Re: [Xen-ia64-devel] [Patch] Fix for re-enabling PV-on-HVM on IPF

To: DOI Tsunehisa <Doi.Tsunehisa@xxxxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] [Patch] Fix for re-enabling PV-on-HVM on IPF
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Tue, 6 Mar 2007 23:59:20 +0900
Cc: xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, Mar 06, 2007 at 09:56:14PM +0900, DOI Tsunehisa wrote:
>     - we have to modify guest_physmap_add_page() to support it.
>       (this is straight reason of hypervisor crash)

The patch breaks the the p2m/m2p table convension.
get_page() shouldn't fail because xen heap page must be owned
by the domain when guest_physmap_add_page() is called.
share_xen_page_with_guest() does it.

What kind of page was passed when you observed the panic?
Who allocated and passed it?
-- 
yamahata

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