On Fri, Apr 12, 2013 at 05:05:41PM +0800, liu ping fan wrote:
On Fri, Apr 12, 2013 at 4:45 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Fri, Apr 12, 2013 at 12:48:12PM +0800, liu ping fan wrote:
On Thu, Apr 11, 2013 at 6:20 PM, Stefan Hajnoczi stefa...@gmail.com
wrote:
On Mon, Apr
Il 16/04/2013 09:57, Stefan Hajnoczi ha scritto:
So it sounds like unplug will not block and there is no guarantee the
memory is actually unplugged when the monitor command completes. The
memory region is only released when the last reference count holder lets
go.
This means that pending
On Fri, Apr 12, 2013 at 12:48:12PM +0800, liu ping fan wrote:
On Thu, Apr 11, 2013 at 6:20 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Apr 01, 2013 at 04:20:33PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
virtio-blk will reference to RAM's
On Fri, Apr 12, 2013 at 4:45 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Fri, Apr 12, 2013 at 12:48:12PM +0800, liu ping fan wrote:
On Thu, Apr 11, 2013 at 6:20 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Apr 01, 2013 at 04:20:33PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan
On Mon, Apr 01, 2013 at 04:20:33PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
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
On Tue, Apr 2, 2013 at 1:58 PM, li guang lig.f...@cn.fujitsu.com wrote:
在 2013-04-01一的 16:20 +0800，Liu Ping Fan写道：
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
virtio-blk will reference to RAM's memoryRegion when the req has been
done.
do you mean unreference after req completed?
Yes,
On Thu, Apr 11, 2013 at 6:20 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Apr 01, 2013 at 04:20:33PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
virtio-blk will reference to RAM's memoryRegion when the req has been
done. So we can avoid to call
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
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.
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
---
hw/dataplane/virtio-blk.c | 52
在 2013-04-01一的 16:20 +0800，Liu Ping Fan写道：
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
virtio-blk will reference to RAM's memoryRegion when the req has been
done.
do you mean unreference after req completed?
So we can avoid to call bdrv_drain_all() when RAM hot unplug.
