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Re: [Qemu-devel] [PATCH 3/3] apic: always update the in-kernel status af
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH 3/3] apic: always update the in-kernel status after loading |
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Date: |
Fri, 02 Nov 2012 16:21:23 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121016 Thunderbird/16.0.1 |
Il 02/11/2012 16:17, Gerd Hoffmann ha scritto:
> On 11/02/12 16:13, Paolo Bonzini wrote:
>>> >> Hi,
>>> >>
>>>> >>> I think deferring IRQ events to the point when the complete vmstate
>>>> >>> is loaded is the cleaner and more robust approach.
>>> >>
>>> >> Agree. Just schedule a bh in post_load.
>>> >> See also a229c0535bd336efaec786dd6e352a54e0a8187d
>> >
>> > No, it cannot a bh. Right now incoming migration is blocking,
>> > but this will change in 1.3. There is no guarantee that a
>> > bottom half will run after migration has completed.
> Then we'll need some new way to do this, maybe a new post_load handler
> which is called once _all_ state is loaded.
The simplest is a vm_clock timer that expires at time 0.
Paolo