Re: [Xen-devel] [PATCH] x86: Convert shadow-paging to Kconfig

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 19/01/16 13:23, Jan Beulich wrote:
>>>> On 19.01.16 at 10:46, <ian.campbell@xxxxxxxxxx> 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?
> At least PV guests won't be migratable anymore when there's no
> shadow mode.

What?  Shadow mode (or lack thereof) has no impact whatsoever on migration.

>
>> Are things which are defined in xen/arch/*/Rules.mk in this way
>> overrideable from the old top-level .config or does one need to dive deeper
>> to modify them?
> Overriding these in the old top-level .config is how I have been
> regularly build testing this and the bigmem features since their
> introduction.

This patch matches the bigmem patch in its behaviour.

~Andrew

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