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From: Cornelia Huck <cohuck@redhat.com>
To: David Hildenbrand <david@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>,
	qemu-devel@nongnu.org, "Michael S . Tsirkin" <mst@redhat.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Alexander Graf <agraf@suse.de>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	qemu-s390x@nongnu.org, Richard Henderson <rth@twiddle.net>,
	=Collin Walling <walling@linux.ibm.com>
Subject: Re: [Qemu-devel] [PATCH v1 4/4] s390x/zpci: properly fail if the zPCI device cannot be created
Date: Thu, 8 Nov 2018 12:14:46 +0100	[thread overview]
Message-ID: <20181108121446.4f1d09dc.cohuck@redhat.com> (raw)
In-Reply-To: <b38c2f96-46ed-db0f-86b7-dc458ac80ee8@redhat.com>

On Mon, 5 Nov 2018 13:46:10 +0100
David Hildenbrand <david@redhat.com> wrote:

> On 05.11.18 13:41, Cornelia Huck wrote:
> > On Mon, 5 Nov 2018 13:04:04 +0100
> > Thomas Huth <thuth@redhat.com> wrote:
> >   
> >> On 2018-11-05 12:03, David Hildenbrand wrote:  
> >>> Right now, errors during realize()/pre_plug/plug of the zPCI device
> >>> would result in QEMU crashing instead of failing nicely when creating
> >>> a zPCI device for a PCI device.  
> > 
> > Yeah, failing instead of crashing is better :)
> > 
> > Is there any way we can trigger this problem for testing?  
> 
> I guess trying to add more PCI devices (with implicit zPCI devices
> getting created) than we have zPCI slots should be enough. So making
> e.g. s390_pci_alloc_idx() fail.
> 
> (FH_MASK_INDEX = 0x0000ffff implies 65536 devices, which is not really
> easy to test ;) )
> 

I was hoping for an easy test. Oh well :)

  reply	other threads:[~2018-11-08 11:15 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-05 11:03 [Qemu-devel] [PATCH v1 0/4] s390x/zpci: some hotplug handler cleanups David Hildenbrand
2018-11-05 11:03 ` [Qemu-devel] [PATCH v1 1/4] s390x/zpci: drop msix.available David Hildenbrand
2018-11-05 11:19   ` Cornelia Huck
2018-11-07 16:26     ` [Qemu-devel] [qemu-s390x] " Collin Walling
2018-11-08 10:54       ` Cornelia Huck
2018-11-05 11:25   ` [Qemu-devel] " Thomas Huth
2018-11-12 17:12   ` Cornelia Huck
2018-11-05 11:03 ` [Qemu-devel] [PATCH v1 2/4] s390x/zpci: use hotplug_dev instead of looking up the host bridge David Hildenbrand
2018-11-05 11:21   ` Cornelia Huck
2018-11-05 11:37     ` David Hildenbrand
2018-11-05 11:40       ` Christian Borntraeger
2018-11-05 11:50         ` David Hildenbrand
2018-11-07 20:28           ` Collin Walling
2018-11-08 11:07             ` Cornelia Huck
2018-11-08 11:56               ` David Hildenbrand
2018-11-05 11:03 ` [Qemu-devel] [PATCH v1 3/4] s390x/zpci: move some hotplug checks to the pre_plug handler David Hildenbrand
2018-11-05 11:50   ` David Hildenbrand
2018-11-07 19:34     ` [Qemu-devel] [qemu-s390x] " Collin Walling
2018-11-07 19:36       ` David Hildenbrand
2018-11-07 19:46         ` Collin Walling
2018-11-05 11:03 ` [Qemu-devel] [PATCH v1 4/4] s390x/zpci: properly fail if the zPCI device cannot be created David Hildenbrand
2018-11-05 12:04   ` Thomas Huth
2018-11-05 12:41     ` Cornelia Huck
2018-11-05 12:46       ` David Hildenbrand
2018-11-08 11:14         ` Cornelia Huck [this message]
2018-11-07 20:15   ` Collin Walling
2018-11-08 13:35   ` Cornelia Huck
2018-11-08 13:58     ` David Hildenbrand
2018-11-12 17:14 ` [Qemu-devel] [PATCH v1 0/4] s390x/zpci: some hotplug handler cleanups Cornelia Huck
2018-11-12 17:34   ` David Hildenbrand
2018-11-13  9:03     ` Cornelia Huck
2018-11-13 12:06       ` [Qemu-devel] [qemu-s390x] " David Hildenbrand

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