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Re: [Xen-devel] update_va_mapping_otherdomain

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] update_va_mapping_otherdomain
From: "Michael R. Hines" <mhines@xxxxxxxxxxxxxxxxx>
Date: Sat, 08 Sep 2007 11:17:08 -0400
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ooooh, ok. I understand now.

Thank you very much for your response. =)

- Michael

Keir Fraser wrote:
> On 8/9/07 02:29, "Michael R. Hines" <mhines@xxxxxxxxxxxxxxxxx> wrote:
>> Upon successful return from update_va_mapping (i.e. return code == zero),
>> my problem involves the last step mentioned above. The present bit still
>> remains unchanged (is still one), although update_va_mapping return true.
>> What might cause such a strange problem to occur?
> That hypercall allows you to update a *local* va mapping to map *another*
> domain's memory page. So you've mapped the guest's page somewhere random in
> your own address space.
>  -- Keir
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Michael R. Hines
Live long and prosper...

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