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Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immedia
From: |
David Hildenbrand |
Subject: |
Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start |
Date: |
Mon, 11 Jun 2018 14:36:24 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 11.06.2018 14:25, Gonglei (Arei) wrote:
>
> Hi David and Paolo,
>
>> -----Original Message-----
>> From: David Hildenbrand [mailto:address@hidden
>> Sent: Monday, June 11, 2018 6:44 PM
>> To: 浙大邮箱 <address@hidden>
>> Cc: Paolo Bonzini <address@hidden>; Gonglei (Arei)
>> <address@hidden>; Igor Mammedov <address@hidden>;
>> xuyandong <address@hidden>; Zhanghailiang
>> <address@hidden>; wangxin (U)
>> <address@hidden>; lidonglin <address@hidden>;
>> address@hidden; address@hidden; Huangweidong (C)
>> <address@hidden>
>> Subject: Re: An emulation failure occurs,if I hotplug vcpus immediately
>> after the
>> VM start
>>
>> On 07.06.2018 18:03, 浙大邮箱 wrote:
>>> Hi,all
>>> I still have a question after reading your discussion: Will seabios detect
>>> the
>> change of address space even if we add_region and del_region automatically? I
>> guess that seabios may not take this change into consideration.
>>
>> Hi,
>>
>> We would just change the way how KVM memory slots are updated. This is
>> right now not atomic, but would be later on. It should not have any
>> other effect.
>>
> Yes. Do you have any plans to do that?
Well, I have plans to work on atomically resizable memory regions
(atomic del + add), and what Paolo described could also work for that
use case. However, I won't have time to look into that in the near
future. So if somebody else wants to jump it, perfect. If not, it will
have to wait unfortunately.
>
> Thanks,
> -Gonglei
>
--
Thanks,
David / dhildenb
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, (continued)
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, David Hildenbrand, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, Paolo Bonzini, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, David Hildenbrand, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, Paolo Bonzini, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, David Hildenbrand, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, 浙大邮箱, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, David Hildenbrand, 2018/06/11
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, Gonglei (Arei), 2018/06/11
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start,
David Hildenbrand <=
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, Gonglei (Arei), 2018/06/11
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, David Hildenbrand, 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, Gonglei (Arei), 2018/06/07
- Re: [Qemu-devel] An emulation failure occurs, if I hotplug vcpus immediately after the VM start, David Hildenbrand, 2018/06/07