Re: [Xen-devel] [PATCH] x86/xen: Warn when there's no mfn for pfn

[Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>]

On 04/02/2015 10:00 AM, David Vrabel wrote:
> On 02/04/15 08:28, Ross Lagerwall wrote:
> > I recently had to debug dom0 taking a fatal page fault and it would have
> > been useful if it warned when creating a non-present pte if there's no
> > mfn for a pfn.
> This will trigger for ever PTE covering memory hotplugged by the balloon
> driver, so I don't think we can take this.
That's unfortunate, I thought there may be some issue where it would be 
triggered spuriously.
--
Ross Lagerwall

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