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Greg Kurz 7abc0c6d35 xics/spapr: Detect old KVM XICS on POWER9 hosts 
Older KVMs on POWER9 don't support destroying/recreating a KVM XICS
device, which is required by 'dual' interrupt controller mode. This
causes QEMU to emit a warning when the guest is rebooted and to fall
back on XICS emulation:

qemu-system-ppc64: warning: kernel_irqchip allowed but unavailable:
 Error on KVM_CREATE_DEVICE for XICS: File exists

If kernel irqchip is required, QEMU will thus exit when the guest is
first rebooted. Failing QEMU this late may be a painful experience
for the user.

Detect that and exit at machine init instead.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <156044430517.125694.6207865998817342638.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-07-02 09:43:58 +10:00
..
config docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
devel monitor: Move {hmp, qmp}.c to monitor/{hmp, qmp}-cmds.c 2019-06-17 20:36:56 +02:00
interop docs/vhost-user.json: some firmware.json copy leftovers 2019-06-16 16:16:52 -04:00
specs xics/spapr: Detect old KVM XICS on POWER9 hosts 2019-07-02 09:43:58 +10:00
spin docs: create config/, devel/ and spin/ subdirectories 2017-06-07 18:22:03 +02:00
amd-memory-encryption.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
block-replication.txt docs: block replication's description 2016-09-13 11:00:56 +01:00
bootindex.txt docs qemu-doc: Avoid ide-drive, it's deprecated 2017-06-04 18:42:55 +03:00
can.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
ccid.txt libcacard: improve documentation 2014-06-10 07:44:01 +02:00
COLO-FT.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
colo-proxy.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
conf.py docs/conf.py: Don't hard-code QEMU version 2019-03-07 14:26:47 +00:00
cpu-hotplug.rst docs/cpu-hotplug.rst: Fix rST markup issues 2019-03-07 14:26:44 +00:00
generic-loader.txt docs/generic-loader: mention U-Boot and Intel HEX executable formats 2018-08-20 11:24:31 +01:00
hyperv.txt i386/kvm: add support for Direct Mode for Hyper-V synthetic timers 2019-06-21 02:29:39 +02:00
igd-assign.txt vfio/pci: Add IGD documentation 2016-05-26 11:12:05 -06:00
image-fuzzer.txt docs: List all image elements currently supported by the fuzzer 2014-09-22 11:39:35 +01:00
index.rst docs: provide documentation on the POWER9 XIVE interrupt controller 2019-05-29 11:39:47 +10:00
memory-hotplug.txt docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
multi-thread-compression.txt Replace '-enable-kvm' with '-accel kvm' in docs and help texts 2018-06-28 19:05:32 +02:00
multiseat.txt tests/docker/test-mingw and docs: Remove --with-sdlabi=2.0 2019-02-04 15:25:21 +00:00
nvdimm.txt util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap() 2019-04-25 14:17:36 -03:00
pci_expander_bridge.txt pxb: cleanup 2016-03-11 16:59:12 +02:00
pcie_pci_bridge.txt pci: removed the is_express field since a uniform interface was inserted 2018-02-08 21:06:41 +02:00
pcie.txt docs: pcie: Spell out machine type needs for PCIe features 2018-03-01 16:25:37 +02:00
pr-manager.rst scsi: add multipath support to qemu-pr-helper 2017-09-22 21:07:27 +02:00
pvrdma.txt hw/pvrdma: Remove max-sge command-line param 2019-01-19 10:31:24 +02:00
qcow2-cache.txt qcow2: Default to 4KB for the qcow2 cache entry size 2019-03-08 12:26:45 +01:00
qdev-device-use.txt qemu-options: Remove deprecated "-virtioconsole" option 2019-02-05 16:50:19 +01:00
qemu_logo.pdf docs: add qemu logo to pdf 2017-01-16 10:11:43 +01:00
qemu-block-drivers.texi ssh: switch from libssh2 to libssh 2019-06-24 16:01:04 +02:00
qemu-cpu-models.texi docs: recommend use of md-clear feature on all Intel CPUs 2019-05-21 15:39:05 -03:00
qemupciserial.inf docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
rdma.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
replay.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
security.texi docs: add Security chapter to the documentation 2019-05-10 10:53:52 +01:00
spice-port-fqdn.txt docs: add spice-port-fqdn.txt 2012-12-17 14:01:41 +01:00
throttle.txt docs: Fix description of the leaky bucket algorithm in throttle.txt 2016-09-13 18:12:34 +03:00
usb2.txt docs/usb2.txt: ehci has six ports 2018-08-21 10:22:03 +02:00
usb-storage.txt usb: Fix typo in documentation 2017-01-24 23:26:52 +03:00
vfio-ap.txt doc: fix typos for documents in tree 2019-03-06 10:40:21 +01:00
virtio-balloon-stats.txt Remove the deprecated -balloon option 2018-08-31 09:52:13 +02:00
xbzrle.txt docs/xbzrle: correction 2016-10-13 17:23:53 +02:00
xen-save-devices-state.txt Fix up dangling references to qmp-commands.* in comment and doc 2018-03-02 13:48:26 -06:00