Re: [Xen-devel] [PATCH V3 3/8] xen: Delay m2p_override initialization

2014-11-12 Thread Konrad Rzeszutek Wilk
On Tue, Nov 11, 2014 at 10:29:32AM +, David Vrabel wrote: > On 11/11/14 05:43, Juergen Gross wrote: > > The m2p overrides are used to be able to find the local pfn for a > > foreign mfn mapped into the domain. They are used by driver backends > > having to access frontend data. > > > > As this

Re: [Xen-devel] [PATCH V3 3/8] xen: Delay m2p_override initialization

2014-11-11 Thread David Vrabel
On 11/11/14 05:43, Juergen Gross wrote: > The m2p overrides are used to be able to find the local pfn for a > foreign mfn mapped into the domain. They are used by driver backends > having to access frontend data. > > As this functionality isn't used in early boot it makes no sense to > initialize

[Xen-devel] [PATCH V3 3/8] xen: Delay m2p_override initialization

2014-11-10 Thread Juergen Gross
The m2p overrides are used to be able to find the local pfn for a foreign mfn mapped into the domain. They are used by driver backends having to access frontend data. As this functionality isn't used in early boot it makes no sense to initialize the m2p override functions very early. It can be don