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Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers |
Date: |
Tue, 29 Mar 2016 10:18:05 +0200 |
On Thu, 24 Mar 2016 18:06:21 +0100
Paolo Bonzini <address@hidden> wrote:
> On 24/03/2016 17:15, Cornelia Huck wrote:
> > Here's the next version of my refactoring of the virtio host notifiers.
> > This one actually survives a bit of testing for me (reboot loop).
> >
> > As this patchset fixes a latent bug exposed by the recent dataplane
> > changes (we have a deassigned ioeventfd for a short period of time
> > during dataplane start, which leads to the virtqueue handler being
> > called in both the vcpu thread and the iothread simultaneously), I'd
> > like to see this in 2.6.
>
> Tested-by: Paolo Bonzini <address@hidden>
>
> Resisted 6 minutes versus 10 seconds. At about 2.5 seconds per reboot,
> that means the failure happened at the fourth reboot before, and
> resisted about 150 reboots with your patches.
Thanks for testing!
Is the failure still the same? I thought I had understood the problem
by now, and I'm wondering which hole we're still missing.
- [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Cornelia Huck, 2016/03/24
- [Qemu-devel] [PATCH 2/6] virtio-bus: have callers tolerate new host notifier api, Cornelia Huck, 2016/03/24
- [Qemu-devel] [PATCH 1/6] virtio-bus: common ioeventfd infrastructure, Cornelia Huck, 2016/03/24
- [Qemu-devel] [PATCH 4/6] virtio-pci: convert to ioeventfd callbacks, Cornelia Huck, 2016/03/24
- [Qemu-devel] [PATCH 5/6] virtio-mmio: convert to ioeventfd callbacks, Cornelia Huck, 2016/03/24
- [Qemu-devel] [PATCH 3/6] virtio-ccw: convert to ioeventfd callbacks, Cornelia Huck, 2016/03/24
- [Qemu-devel] [PATCH 6/6] virtio-bus: remove old set_host_notifier callback, Cornelia Huck, 2016/03/24
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Paolo Bonzini, 2016/03/24
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers,
Cornelia Huck <=
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Fam Zheng, 2016/03/25
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, TU BO, 2016/03/27
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Paolo Bonzini, 2016/03/28
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, tu bo, 2016/03/29
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Cornelia Huck, 2016/03/29
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Paolo Bonzini, 2016/03/29
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, Christian Borntraeger, 2016/03/29
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, tu bo, 2016/03/30
- Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers, tu bo, 2016/03/31