On 03/04/2015 11:59 AM, David Vrabel wrote:
On 04/03/15 10:20, Juergen Gross wrote:
I could, of course, wait with the flag bit until xl is ready and post
another kernel patch then. Unfortunately this would delay Linux support
for automatically be able to run as a pv-domain >500GB further, so I
strongly recommend accepting the interface change now.
I suggested before:
"If dom0, enable >512G.
If domU, enable >512G if requested by command line option /or/ toolstack
indicates that it supports the linear p2m."
So this flag is only required to /automatically/ enable >512GB PV
guests. You still need the manual (command line) override so this flag
isn't needed until the toolstack actually supports the linear p2m, and
the kernel support for this automatic enablement can be added later as well.
Correct. The question is, whether we want some kernel versions capable
of running as 1TB guest requiring an additional boot parameter to do so.
Avoiding this is easy, but if you don't like it, I can wait with this
patch.
Juergen
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