Messages in this thread | | | Date | Tue, 28 Oct 2014 12:39:37 +0000 | From | David Vrabel <> | Subject | Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list |
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On 28/10/14 12:07, Juergen Gross wrote: > > Okay, back to the original question: is the (up to) 64 MB virtual > mapping of the p2m list on 32-bit pv domains a problem or not?
I think up-to 64 MiB of vmalloc area is fine. The vmalloc space can be increased with a command line option in the unlikely event that there are domUs that would be affected.
> If yes, the virtual mapped linear p2m list could still be used on > 64 bit domains, paving the way for support of more than 512 GB of > domain memory. OTOH having to keep the p2m tree coding alive isn't > my favorite solution...
Having to keep both the tree and linear p2m code would be awful. Let's not do this!
David
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