Re: [Xen-devel] [PATCH 10/14] x86/mm: Switch {get, put}_gfn() infrastructure to using gfn_t

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Andrew Cooper [mailto:andrew.cooper3@xxxxxxxxxx]
> Sent: Wednesday, November 21, 2018 9:21 PM
> 
> Seemingly, a majority of users either override the helpers anyway, or have
> an
> gfn_t in their hands.
> 
> Update the API, and adjust all users to match.
> 
> Doing this highlighted a gaping altp2m security hole in
> vmx_vcpu_update_vmfunc_ve(), which will need addressing now we can
> discuss the
> problem and options publicly.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
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