[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] x86: Convert shadow-paging to Kconfig
On 19/01/16 13:46, Tim Deegan wrote: > At 09:46 +0000 on 19 Jan (1453196796), Ian Campbell wrote: >> On Mon, 2016-01-18 at 18:40 +0000, Andrew Cooper wrote: >>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> >> Does this have any impact on migration of either PV or HVM guests? What >> about nested virt? > Without shadow paging you can't do live migration of PV guests. That > should go in the kconfig description. > > AFAICT nested virt depends on HAP rather than shadow. Nothing currently enforces this. Xen dies particularly quickly with spinlock contention if a shadow HVM guest tries to use nested-virt. (Just another item on the long list of tasks requires before nested-virt becomes anything other than experimental.) ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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