Re: [Qemu-devel] [PATCH v7 kernel 5/5] This patch contains two parts:

[David Hildenbrand]

Am 03.03.2017 um 06:40 schrieb Wei Wang:
> From: Liang Li <address@hidden>

I'd prefer to split this into two parts then and to create proper subjects.

If I remember correctly, the general concept was accepted by most reviewers.

> 
> One is to add a new API to mm go get the unused page information.
> The virtio balloon driver will use this new API added to get the
> unused page info and send it to hypervisor(QEMU) to speed up live
> migration. During sending the bitmap, some the pages may be modified
> and are used by the guest, this inaccuracy can be corrected by the
> dirty page logging mechanism.
> 
> One is to add support the request for vm's unused page information,
> QEMU can make use of unused page information and the dirty page
> logging mechanism to skip the transportation of some of these unused
> pages, this is very helpful to reduce the network traffic and speed
> up the live migration process.

-- 
Thanks,

David