From: Paolo Bonzini <pbonzini@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
mtosatti@redhat.com, Avi Kivity <avi@redhat.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 3/3] apic: always update the in-kernel status after loading
Date: Fri, 02 Nov 2012 16:21:23 +0100 [thread overview]
Message-ID: <5093E4F3.2060904@redhat.com> (raw)
In-Reply-To: <5093E3F2.20007@redhat.com>
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
next prev parent reply other threads:[~2012-11-02 15:21 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-30 12:16 [Qemu-devel] [PATCH uq/master 0/3] Fix MSI injection at load time Paolo Bonzini
2012-10-30 12:16 ` [Qemu-devel] [PATCH 1/3] kvm: move KVM_GET_LAPIC/KVM_SET_LAPIC to hw/kvm/apic.c Paolo Bonzini
2012-10-30 18:13 ` Jan Kiszka
2012-10-30 12:16 ` [Qemu-devel] [PATCH 2/3] apic: add get/put methods Paolo Bonzini
2012-10-30 18:17 ` Jan Kiszka
2012-10-30 12:16 ` [Qemu-devel] [PATCH 3/3] apic: always update the in-kernel status after loading Paolo Bonzini
2012-10-30 12:38 ` Avi Kivity
2012-10-30 14:16 ` Paolo Bonzini
2012-10-30 18:21 ` Jan Kiszka
2012-11-02 14:53 ` Paolo Bonzini
2012-11-02 14:59 ` Jan Kiszka
2012-11-02 15:07 ` Gerd Hoffmann
2012-11-02 15:13 ` Paolo Bonzini
2012-11-02 15:17 ` Gerd Hoffmann
2012-11-02 15:21 ` Paolo Bonzini [this message]
2012-10-30 18:17 ` Jan Kiszka
2012-10-30 12:16 ` [Qemu-devel] [PATCH 4/3] ioapic: change pre_save/post_load methods to get/put Paolo Bonzini
2012-10-30 18:18 ` Jan Kiszka
2012-10-30 12:16 ` [Qemu-devel] [PATCH 5/3] ioapic: unify reset callbacks Paolo Bonzini
2012-10-30 16:47 ` [Qemu-devel] [PATCH uq/master 0/3] Fix MSI injection at load time Paolo Bonzini
2012-10-30 18:22 ` Jan Kiszka
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