Re: [Xen-devel] [Qemu-devel] [PULL 00/20] acpi, pc, pci fixes and enhancements

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 13 Feb 2014, Peter Maydell wrote:
> On 10 February 2014 16:47, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> > The following changes since commit 2b2449f7e467957778ca006904471b231dc0ac8e:
> >
> >   Merge remote-tracking branch 'remotes/borntraeger/tags/kvm-s390-20140131' 
> > into staging (2014-02-04 18:46:33 +0000)
> >
> > are available in the git repository at:
> >
> >
> >   git://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git tags/for_upstream
> >
> > for you to fetch changes up to 417c45ab2f847c0a47b1232f611aa886df6a97d5:
> >
> >   ACPI: Remove commented-out code from HPET._CRS (2014-02-10 11:09:33 +0200)
> 
> Applied, thanks.

It looks like that this series breaks disk unplug
(hw/ide/piix.c:pci_piix3_xen_ide_unplug).

I bisected it and the problem is caused by:

commit 5e95494380ecf83c97d28f72134ab45e0cace8f9
Author: Igor Mammedov <imammedo@xxxxxxxxxx>
Date:   Wed Feb 5 16:36:52 2014 +0100

    hw/pci: switch to a generic hotplug handling for PCIDevice
    
    make qdev_unplug()/device_set_realized() to call hotplug handler's
    plug/unplug methods if available and remove not needed anymore
    hot(un)plug handling from PCIDevice.
    
    In case if hotplug handler is not available, revert to the legacy
    hotplug method for compatibility with not yet converted buses.
    
    Signed-off-by: Igor Mammedov <imammedo@xxxxxxxxxx>
    Reviewed-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>


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