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Re: [PATCH v2 03/13] libxenguest: deal with log-dirty op stats overflow
- To: Olaf Hering <olaf@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 6 Jul 2021 08:58:59 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>
- Delivery-date: Tue, 06 Jul 2021 06:59:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 06.07.2021 08:46, Olaf Hering wrote:
> Am Tue, 6 Jul 2021 08:39:21 +0200
> schrieb Jan Beulich <jbeulich@xxxxxxxx>:
>
>> the size may change in the course of migration
>
> How can the p2m_size change? This upper limit is queried once, then
> all loops take this as loop counter.
Well, that's part of the current limitation. The size would need re-querying
before every iteration (or at the very least before the last one, after the
domain has been paused).
Jan
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