From: Paolo Bonzini <pbonzini@redhat.com>
To: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: borntraeger@de.ibm.com, famz@redhat.com, qemu-devel@nongnu.org,
mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH 1/9] virtio-dataplane: pass assign=true to virtio_queue_aio_set_host_notifier_handler
Date: Wed, 30 Mar 2016 15:30:04 +0200 [thread overview]
Message-ID: <56FBD4DC.5070104@redhat.com> (raw)
In-Reply-To: <20160330152355.693aad1c.cornelia.huck@de.ibm.com>
On 30/03/2016 15:23, Cornelia Huck wrote:
> > There is no need to run the handler one last time; the device is being
> > reset and it is okay to drop requests that are pending in the virtqueue.
>
> What about virtio_blk_save()? Could there be any pending requests in
> that case?
Those would be processed when dataplane is restarted on the destination
side, I think. virtio_queue_set_host_notifier_fd_handler calls
virtio_queue_host_notifier_read which connects the host notifier to the
I/O thread and calls event_notifier_set to start processing it.
Paolo
next prev parent reply other threads:[~2016-03-30 13:30 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-30 12:47 [Qemu-devel] [PATCH resend 0/9] virtio: aio handler API Paolo Bonzini
2016-03-30 12:48 ` [Qemu-devel] [PATCH 1/9] virtio-dataplane: pass assign=true to virtio_queue_aio_set_host_notifier_handler Paolo Bonzini
2016-03-30 13:23 ` Cornelia Huck
2016-03-30 13:30 ` Paolo Bonzini [this message]
2016-03-30 13:43 ` Cornelia Huck
2016-03-30 13:44 ` Cornelia Huck
2016-03-30 12:48 ` [Qemu-devel] [PATCH 2/9] virtio: make virtio_queue_notify_vq static Paolo Bonzini
2016-03-30 13:39 ` Cornelia Huck
2016-03-30 12:48 ` [Qemu-devel] [PATCH 3/9] virtio-blk: fix disabled mode Paolo Bonzini
2016-03-30 13:57 ` Cornelia Huck
2016-03-31 8:32 ` tu bo
2016-03-31 8:36 ` Paolo Bonzini
2016-03-30 12:48 ` [Qemu-devel] [PATCH 4/9] virtio-scsi: " Paolo Bonzini
2016-03-30 14:52 ` Cornelia Huck
2016-03-30 12:48 ` [Qemu-devel] [PATCH 5/9] virtio: add aio handler Paolo Bonzini
2016-03-30 14:55 ` Cornelia Huck
2016-03-30 15:09 ` Paolo Bonzini
2016-03-30 12:48 ` [Qemu-devel] [PATCH 6/9] virtio-blk: use aio handler for data plane Paolo Bonzini
2016-03-30 15:25 ` Cornelia Huck
2016-03-30 15:42 ` Paolo Bonzini
2016-03-30 12:48 ` [Qemu-devel] [PATCH 7/9] virtio-scsi: " Paolo Bonzini
2016-03-30 15:31 ` Cornelia Huck
2016-03-30 12:48 ` [Qemu-devel] [PATCH 8/9] virtio: merge virtio_queue_aio_set_host_notifier_handler with virtio_queue_set_aio Paolo Bonzini
2016-03-30 15:33 ` Cornelia Huck
2016-03-30 12:48 ` [Qemu-devel] [PATCH 9/9] virtio: remove starting/stopping checks Paolo Bonzini
2016-03-30 15:36 ` Cornelia Huck
-- strict thread matches above, loose matches on Subject: below --
2016-04-01 13:19 [Qemu-devel] [PATCH v2 0/9] virtio: aio handler API Paolo Bonzini
2016-04-01 13:19 ` [Qemu-devel] [PATCH 1/9] virtio-dataplane: pass assign=true to virtio_queue_aio_set_host_notifier_handler Paolo Bonzini
2016-04-01 14:02 ` Cornelia Huck
2016-04-05 10:38 ` Michael S. Tsirkin
2016-04-05 10:42 ` Paolo Bonzini
2016-04-05 10:59 ` Paolo Bonzini
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