From: "Michael S. Tsirkin" <mst@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Anthony Liguori" <aliguori@us.ibm.com>,
qemu-devel@nongnu.org, "Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH 00/15] qdev: make reset semantics more clear and consistent, reset qbuses under virtio devices
Date: Wed, 9 Jan 2013 23:40:20 +0200 [thread overview]
Message-ID: <20130109214019.GA11806@redhat.com> (raw)
In-Reply-To: <50EDDFB2.9000308@redhat.com>
On Wed, Jan 09, 2013 at 10:22:58PM +0100, Paolo Bonzini wrote:
> Il 09/01/2013 21:40, Anthony Liguori ha scritto:
> >> > Yes, but this can only be done after looking at all PCI devices that
> >> > have buses below (of which the bridge is a special case). And Anthony
> >> > also metioned using a new method of PCIDevice instead of device_reset.
> > Sorry, what's the bug here? Is this a reset bug with cold reset or with
> > a form of warm reset?
>
> Warm reset (virtio status register reset) of virtio-scsi wasn't
> propagated down to the SCSI bus. I fixed it using qdev_reset_all, but
> now I'll do it manually in the HBA. I'm fine with that as long as all
> buses move away from device_reset.
>
> Paolo
You also pointed out some bug related to status register handling in virtio
on s390, right?
--
MST
next prev parent reply other threads:[~2013-01-09 21:36 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-17 16:24 [Qemu-devel] [PATCH 00/15] qdev: make reset semantics more clear and consistent, reset qbuses under virtio devices Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 01/15] qdev: do not reset a device until the parent has been initialized Paolo Bonzini
2012-12-17 16:52 ` Michael S. Tsirkin
2012-12-17 16:53 ` Michael S. Tsirkin
2012-12-17 17:06 ` Paolo Bonzini
2012-12-17 21:57 ` Andreas Färber
2012-12-17 16:24 ` [Qemu-devel] [PATCH 02/15] intel-hda: do not reset codecs from intel_hda_reset Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 03/15] pci: clean up resetting of IRQs Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 04/15] virtio-pci: reset device before PCI layer Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 05/15] virtio-s390: add a reset function to virtio-s390 devices Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 06/15] qdev: add qbus_reset_all Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 07/15] pci: do not export pci_bus_reset Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 08/15] lsi: use qbus_reset_all to reset SCSI bus Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 09/15] qdev: allow both pre- and post-order vists in qdev walking functions Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 10/15] qdev: switch reset to post-order Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 11/15] qdev: remove device_reset Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 12/15] qdev: document reset semantics Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 13/15] virtio-pci: reset all qbuses too when writing to the status field Paolo Bonzini
2012-12-17 16:48 ` Michael S. Tsirkin
2012-12-17 16:54 ` Paolo Bonzini
2012-12-17 17:08 ` Michael S. Tsirkin
2012-12-17 17:09 ` Paolo Bonzini
2012-12-17 16:24 ` [Qemu-devel] [PATCH 14/15] virtio-s390: " Paolo Bonzini
2012-12-17 16:29 ` Alexander Graf
2012-12-17 16:24 ` [Qemu-devel] [PATCH 15/15] virtio-serial: do not perform bus reset by hand Paolo Bonzini
2012-12-17 21:43 ` [Qemu-devel] [PATCH 00/15] qdev: make reset semantics more clear and consistent, reset qbuses under virtio devices Michael S. Tsirkin
2012-12-18 7:27 ` Paolo Bonzini
2012-12-18 8:35 ` Paolo Bonzini
2012-12-18 9:49 ` Michael S. Tsirkin
2012-12-18 11:40 ` Paolo Bonzini
2013-01-07 17:46 ` Michael S. Tsirkin
2013-01-07 19:10 ` Anthony Liguori
2013-01-07 19:57 ` Peter Maydell
2013-01-07 20:20 ` Anthony Liguori
2013-01-07 20:28 ` Peter Maydell
2013-01-07 20:51 ` Anthony Liguori
2013-01-09 9:33 ` Paolo Bonzini
2013-01-09 10:22 ` Michael S. Tsirkin
2013-01-09 10:53 ` Paolo Bonzini
2013-01-09 11:09 ` Michael S. Tsirkin
2013-01-09 11:12 ` Paolo Bonzini
2013-01-09 12:10 ` Michael S. Tsirkin
2013-01-09 17:46 ` Paolo Bonzini
2013-01-09 20:40 ` Anthony Liguori
2013-01-09 21:22 ` Paolo Bonzini
2013-01-09 21:40 ` Michael S. Tsirkin [this message]
2013-01-10 8:31 ` Paolo Bonzini
2013-01-10 11:32 ` Michael S. Tsirkin
2013-01-10 11:46 ` Peter Maydell
2013-01-10 11:47 ` Paolo Bonzini
2013-01-10 11:59 ` Peter Maydell
2013-01-10 12:12 ` Paolo Bonzini
2013-01-10 12:31 ` Peter Maydell
2013-01-10 12:45 ` Paolo Bonzini
2013-01-10 13:01 ` Peter Maydell
2013-01-10 13:32 ` Paolo Bonzini
2013-01-10 14:14 ` Anthony Liguori
2013-01-10 14:38 ` Paolo Bonzini
2013-01-10 15:01 ` Michael S. Tsirkin
2013-01-08 13:58 ` Michael S. Tsirkin
-- strict thread matches above, loose matches on Subject: below --
2013-01-03 2:18 Anthony Liguori
2013-01-02 18:23 ` Anthony Liguori
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