> -----Original Message----- > From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On > Behalf Of David Hildenbrand > Sent: Monday, June 11, 2018 8:36 PM > To: Gonglei (Arei) <arei.gong...@huawei.com>; 浙大邮箱 <li...@zju.edu.cn> > Subject: Re: An emulation failure occurs,if I hotplug vcpus immediately after > the > VM start > > On 11.06.2018 14:25, Gonglei (Arei) wrote: > > > > Hi David and Paolo, > > > >> -----Original Message----- > >> From: David Hildenbrand [mailto:da...@redhat.com] > >> Sent: Monday, June 11, 2018 6:44 PM > >> To: 浙大邮箱 <li...@zju.edu.cn> > >> Cc: Paolo Bonzini <pbonz...@redhat.com>; Gonglei (Arei) > >> <arei.gong...@huawei.com>; Igor Mammedov <imamm...@redhat.com>; > >> xuyandong <xuyando...@huawei.com>; Zhanghailiang > >> <zhang.zhanghaili...@huawei.com>; wangxin (U) > >> <wangxinxin.w...@huawei.com>; lidonglin <lidong...@huawei.com>; > >> k...@vger.kernel.org; qemu-devel@nongnu.org; Huangweidong (C) > >> <weidong.hu...@huawei.com> > >> 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. > Got it. :)
Thanks, -Gonglei
