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Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memo
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion |
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Date: |
Thu, 11 Apr 2013 12:20:32 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Apr 01, 2013 at 04:20:33PM +0800, Liu Ping Fan wrote:
> From: Liu Ping Fan <address@hidden>
>
> virtio-blk will reference to RAM's memoryRegion when the req has been
> done. So we can avoid to call bdrv_drain_all() when RAM hot unplug.
How does the hot unplug operation work without bdrv_drain_all()? In
other words, how do we safely remove a MemoryRegion and wait for it to
become unreferenced?
Stefan
- Re: [Qemu-devel] [PATCH 2/5] hostmem: make hostmem global and RAM hotunplg safe, (continued)
[Qemu-devel] [PATCH 3/5] vring: use hostmem's RAM safe api, Liu Ping Fan, 2013/04/01
[Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, Liu Ping Fan, 2013/04/01
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, li guang, 2013/04/02
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion,
Stefan Hajnoczi <=
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, liu ping fan, 2013/04/12
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, Stefan Hajnoczi, 2013/04/12
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, liu ping fan, 2013/04/12
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, Stefan Hajnoczi, 2013/04/16
- Re: [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion, Paolo Bonzini, 2013/04/16
[Qemu-devel] [PATCH 5/5] hostmem: init/finalize hostmem listener, Liu Ping Fan, 2013/04/01