Re: [Xen-devel] [PATCH] hypercall/mem: Introduce XENMEM_machphys_compat_mfn_list

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 17/04/14 12:58, Andrew Cooper wrote:
> On 17/04/14 12:42, Jan Beulich wrote:
>
>> Knowing where that is would help judging on the need for this
>> patch (and I don't want to waste time hunting for it knowing that you
>> already spotted it)...
> The bug is in canonicalize_pagetable() in xc_domain_save.c
>
> The search for affected L2 tables at line 445 will never succeed for a
> 64 bit guest, and the decision at line 500 will fail to identify any
> errors which should be fatal.

I do in fact mean 32 bit guest and 64 bit toolstack.

~Andrew

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