Re: [Qemu-devel] [PATCH v5 0/7] QEMU memory hot unplug support

2015-04-01 Thread Zhu Guihua
On 04/01/2015 04:42 PM, Igor Mammedov wrote: On Fri, 27 Mar 2015 17:20:33 +0800 Zhu Guihua wrote: Memory hot unplug are both asynchronous procedures. When the unplug operation happens, unplug request cb is called first. And when guest OS finished handling unplug, unplug cb will be called to d

Re: [Qemu-devel] [PATCH v5 0/7] QEMU memory hot unplug support

2015-04-01 Thread Igor Mammedov
On Fri, 27 Mar 2015 17:20:33 +0800 Zhu Guihua wrote: > Memory hot unplug are both asynchronous procedures. > When the unplug operation happens, unplug request cb is called first. > And when guest OS finished handling unplug, unplug cb will be called > to do the real removal of device. I think ser

Re: [Qemu-devel] [PATCH v5 0/7] QEMU memory hot unplug support

2015-03-30 Thread Paolo Bonzini
On 30/03/2015 04:53, Zhu Guihua wrote: > Question: > > When migrating from old qemu to one with this hot remove feature, I found > this feature would not work any more in new qemu. > > The reason is that DSDT table will not re-generate in new qemu when > migration. > So the hot remove will not

Re: [Qemu-devel] [PATCH v5 0/7] QEMU memory hot unplug support

2015-03-29 Thread Zhu Guihua
Question: When migrating from old qemu to one with this hot remove feature, I found this feature would not work any more in new qemu. The reason is that DSDT table will not re-generate in new qemu when migration. So the hot remove will not work in the new qemu even though qemu has this feature

[Qemu-devel] [PATCH v5 0/7] QEMU memory hot unplug support

2015-03-27 Thread Zhu Guihua
Memory hot unplug are both asynchronous procedures. When the unplug operation happens, unplug request cb is called first. And when guest OS finished handling unplug, unplug cb will be called to do the real removal of device. v5: -reorganize the patchset -add documentation to understand patch eas