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[Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration |
Date: |
Sat, 02 May 2009 00:56:22 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Anthony Liguori wrote:
> Jan Kiszka wrote:
>> Besides refreshed versions of my already posted fixes and cleanups for
>> KVM, this series comes with patches to enable live migration in KVM
>> mode. If there is still some migration bit missing compared to qemu-kvm,
>> please let me know.
>>
>
> In qemu-kvm, we also save:
>
> MSR_IA32_TSC
That should be cured by patch 9 now. At least it works for me (TM).
> mp_state
There is no mp_state upstream yet.
> interrupt_bitmap
>
> In QEMU, we probably should just emulate MSR_IA32_TSC and then we can
> reuse that for save/restore.
>
> interrupt_bitmap is a bit more tricky. It only ever can have one bit
> set AFAICT but I don't see anything that we're currently saving that
> maps to it which leads me to wonder why KVM needs it and QEMU doesn't.
As far as I understood it, interrupt_bitmap will become relevant for
in-kernel irqchips.
Hmm, I wonder if we should pick up the change and align the CPU on-disk
format with KVM in revision 9, even if we do not yet need all fields.
What do you think?
Jan
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- [Qemu-devel] Re: [PATCH 8/8] kvm: Rework VCPU reset, (continued)
[Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Anthony Liguori, 2009/05/01
[Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Anthony Liguori, 2009/05/01
- [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration,
Jan Kiszka <=
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Gleb Natapov, 2009/05/02
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Anthony Liguori, 2009/05/02
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Gleb Natapov, 2009/05/02
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Avi Kivity, 2009/05/02
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Gleb Natapov, 2009/05/02
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and livemigration, Anthony Liguori, 2009/05/02
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and livemigration, Gleb Natapov, 2009/05/03
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Avi Kivity, 2009/05/03
- Re: [Qemu-devel] Re: [PATCH 0/8] kvm: Fixes, cleanups and live migration, Gleb Natapov, 2009/05/03