From: Cornelia Huck <cornelia.huck@de.ibm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: famz@redhat.com, borntraeger@de.ibm.com, mst@redhat.com,
qemu-devel@nongnu.org, tubo@linux.vnet.ibm.com,
stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers
Date: Tue, 29 Mar 2016 10:18:05 +0200 [thread overview]
Message-ID: <20160329101805.7ff42e7c.cornelia.huck@de.ibm.com> (raw)
In-Reply-To: <56F41E8D.5000609@redhat.com>
On Thu, 24 Mar 2016 18:06:21 +0100
Paolo Bonzini <pbonzini@redhat.com> 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 <pbonzini@redhat.com>
>
> 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.
next prev parent reply other threads:[~2016-03-29 8:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-24 16:15 [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers Cornelia Huck
2016-03-24 16:15 ` [Qemu-devel] [PATCH 1/6] virtio-bus: common ioeventfd infrastructure Cornelia Huck
2016-03-24 16:15 ` [Qemu-devel] [PATCH 2/6] virtio-bus: have callers tolerate new host notifier api Cornelia Huck
2016-03-24 16:15 ` [Qemu-devel] [PATCH 3/6] virtio-ccw: convert to ioeventfd callbacks Cornelia Huck
2016-03-24 16:15 ` [Qemu-devel] [PATCH 4/6] virtio-pci: " Cornelia Huck
2016-03-24 16:15 ` [Qemu-devel] [PATCH 5/6] virtio-mmio: " Cornelia Huck
2016-03-24 16:15 ` [Qemu-devel] [PATCH 6/6] virtio-bus: remove old set_host_notifier callback Cornelia Huck
2016-03-24 17:06 ` [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers Paolo Bonzini
2016-03-29 8:18 ` Cornelia Huck [this message]
2016-03-29 9:15 ` Paolo Bonzini
2016-03-25 9:52 ` Fam Zheng
2016-03-28 3:55 ` TU BO
2016-03-28 18:11 ` Paolo Bonzini
2016-03-29 9:14 ` tu bo
2016-03-29 11:45 ` Cornelia Huck
2016-03-29 13:50 ` Paolo Bonzini
2016-03-29 16:27 ` Christian Borntraeger
2016-03-31 2:37 ` tu bo
2016-03-31 5:47 ` tu bo
2016-03-29 11:54 ` Christian Borntraeger
2016-03-31 2:47 ` tu bo
2016-03-29 13:23 ` Christian Borntraeger
2016-03-29 13:38 ` Michael S. Tsirkin
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