> -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) ; 浙大邮箱
> 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
>> Cc: Paolo Bonzini ; Gonglei (Arei)
>> ; Igor Mammedov ;
>> xuyandong ; Zhanghailiang
>> ;
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
> Cc: Paolo Bonzini ; Gonglei (Arei)
> ; Igor Mammedov ;
> xuyandong ; Zhanghailiang
> ; wangxin (U)
> ; lidonglin ;
> k...@vger.kernel.org;
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
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.
Looking forward to your replies,
Thanks
>> On Jun 7, 2018, at
On 07.06.2018 14:36, Paolo Bonzini wrote:
> On 07/06/2018 13:36, David Hildenbrand wrote:
>>> The dirty bitmap would be synced in kvm_region_del (so it's not true
>>> that kvm_region_del would disappear, but almost :)).
>> I was rather concerned when doing a KVM_SET_USER_MEMORY_REGIONS while
>>
On 07/06/2018 13:36, David Hildenbrand wrote:
>> The dirty bitmap would be synced in kvm_region_del (so it's not true
>> that kvm_region_del would disappear, but almost :)).
> I was rather concerned when doing a KVM_SET_USER_MEMORY_REGIONS while
> some (already present) memory region is performing
> -Original Message-
> From: David Hildenbrand [mailto:da...@redhat.com]
> Sent: Thursday, June 07, 2018 6:40 PM
> Subject: Re: An emulation failure occurs,if I hotplug vcpus immediately after
> the
> VM start
>
> On 06.06.2018 15:57, Paolo Bonzini wrote:
> > On 06/06/2018 15:28,
On 07.06.2018 13:13, Gonglei (Arei) wrote:
>
>> -Original Message-
>> From: David Hildenbrand [mailto:da...@redhat.com]
>> Sent: Thursday, June 07, 2018 6:40 PM
>> Subject: Re: An emulation failure occurs,if I hotplug vcpus immediately
>> after the
>> VM start
>>
>> On 06.06.2018 15:57,
On 07.06.2018 13:02, Paolo Bonzini wrote:
> On 07/06/2018 12:37, David Hildenbrand wrote:
>>
>> I have a related requirement, which would be to atomically grow a
>> memory regions. So instead of region_del(old)+region_add(new), I would
>> have to do it in one shot (atomically).
>>
>> AFAICS an
On 07/06/2018 12:37, David Hildenbrand wrote:
>
> I have a related requirement, which would be to atomically grow a
> memory regions. So instead of region_del(old)+region_add(new), I would
> have to do it in one shot (atomically).
>
> AFAICS an atomic replace of the memory map would work for
On 06.06.2018 15:57, Paolo Bonzini wrote:
> On 06/06/2018 15:28, Gonglei (Arei) wrote:
>> gonglei: mem.slot: 3, mem.guest_phys_addr=0xc,
>> mem.userspace_addr=0x7fc343ec, mem.flags=0, memory_size=0x0
>> gonglei: mem.slot: 3, mem.guest_phys_addr=0xc,
>>
On 06.06.2018 15:57, Paolo Bonzini wrote:
> On 06/06/2018 15:28, Gonglei (Arei) wrote:
>> gonglei: mem.slot: 3, mem.guest_phys_addr=0xc,
>> mem.userspace_addr=0x7fc343ec, mem.flags=0, memory_size=0x0
>> gonglei: mem.slot: 3, mem.guest_phys_addr=0xc,
>>
On 06/06/2018 16:18, xuyandong wrote:
>> We don't. It's generally a guest bug if they do, but the problem here is
>> that
>> QEMU is splitting a memory region in two parts and that is not atomic.
>>
>> One fix could be to add a KVM_SET_USER_MEMORY_REGIONS ioctl that
>> replaces the entire
> -Original Message-
> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
> Sent: Wednesday, June 06, 2018 9:58 PM
> To: Gonglei (Arei) ; Igor Mammedov
> ; xuyandong
> Cc: Zhanghailiang ; wangxin (U)
> ; lidonglin ;
> k...@vger.kernel.org; qemu-devel@nongnu.org; Huangweidong (C)
>
>
On 06/06/2018 15:28, Gonglei (Arei) wrote:
> gonglei: mem.slot: 3, mem.guest_phys_addr=0xc,
> mem.userspace_addr=0x7fc343ec, mem.flags=0, memory_size=0x0
> gonglei: mem.slot: 3, mem.guest_phys_addr=0xc,
> mem.userspace_addr=0x7fc343ec, mem.flags=0,
Hi Igor,
Thanks for your response firstly. :)
> -Original Message-
> From: Igor Mammedov [mailto:imamm...@redhat.com]
> Sent: Friday, June 01, 2018 6:23 PM
>
> On Fri, 1 Jun 2018 08:17:12 +
> xuyandong wrote:
>
> > Hi there,
> >
> > I am doing some test on qemu vcpu hotplug and I
On Fri, 1 Jun 2018 08:17:12 +
xuyandong wrote:
> Hi there,
>
> I am doing some test on qemu vcpu hotplug and I run into some trouble.
> An emulation failure occurs and qemu prints the following msg:
>
> KVM internal error. Suberror: 1
> emulation failure
> EAX= EBX=
Hi there,
I am doing some test on qemu vcpu hotplug and I run into some trouble.
An emulation failure occurs and qemu prints the following msg:
KVM internal error. Suberror: 1
emulation failure
EAX= EBX= ECX= EDX=0600
ESI= EDI= EBP=
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