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Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PA
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT |
Date: |
Fri, 2 Mar 2018 20:37:49 +0200 |
On Fri, Mar 02, 2018 at 04:47:29PM +0800, Wei Wang wrote:
> diff --git a/include/sysemu/balloon.h b/include/sysemu/balloon.h
> index af49e19..16a2aae 100644
> --- a/include/sysemu/balloon.h
> +++ b/include/sysemu/balloon.h
...
> +typedef void (QEMUBalloonFreePageStart)(void *opaque);
> +typedef void (QEMUBalloonFreePageStop)(void *opaque);
So I think the rule is that no bitmap sync must happen
between these two, otherwise a hint might arrive and
override the sync output.
Should be documented I think.
--
MST
- [Qemu-devel] [PATCH v3 0/3] virtio-balloon: free page hint reporting support, Wei Wang, 2018/03/02
- [Qemu-devel] [PATCH v3 3/3] migration: use the free page hint feature from balloon, Wei Wang, 2018/03/02
- [Qemu-devel] [PATCH v3 1/3] migration: API to clear bits of guest free pages from the dirty bitmap, Wei Wang, 2018/03/02
- [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Wei Wang, 2018/03/02
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Michael S. Tsirkin, 2018/03/02
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Wei Wang, 2018/03/04
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Michael S. Tsirkin, 2018/03/05
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Wei Wang, 2018/03/05
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Michael S. Tsirkin, 2018/03/05
- Re: [Qemu-devel] [PATCH v3 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT, Wei Wang, 2018/03/07