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Andrew Jones 87014c6b36 target/arm/kvm: host cpu: Add support for sve<N> properties 
Allow cpu 'host' to enable SVE when it's available, unless the
user chooses to disable it with the added 'sve=off' cpu property.
Also give the user the ability to select vector lengths with the
sve<N> properties. We don't adopt 'max' cpu's other sve property,
sve-max-vq, because that property is difficult to use with KVM.
That property assumes all vector lengths in the range from 1 up
to and including the specified maximum length are supported, but
there may be optional lengths not supported by the host in that
range. With KVM one must be more specific when enabling vector
lengths.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Message-id: 20191031142734.8590-10-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-11-01 20:40:59 +00:00
..
config docs: Grammar and spelling fixes 2018-07-13 10:16:04 +01:00
devel docs/devel: add plugins.rst design document 2019-10-28 15:12:38 +00:00
interop qemu-ga: Convert invocation documentation to rST 2019-09-13 16:05:01 +01:00
specs docs/specs: Add ACPI GED documentation 2019-10-05 17:12:09 -04:00
sphinx sphinx: add qmp_lexer 2019-07-10 15:08:06 -04:00
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
arm-cpu-features.rst target/arm/kvm: host cpu: Add support for sve<N> properties 2019-11-01 20:40:59 +00:00
barrier.txt ui: add an embedded Barrier client 2019-09-17 13:43:22 +02:00
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 qemu-ga: Convert invocation documentation to rST 2019-09-13 16:05:01 +01:00
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 NoNonArchitecturalCoreSharing Hyper-V enlightenment 2019-10-22 09:38:42 +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
microvm.rst docs/microvm.rst: document the new microvm machine type 2019-10-22 09:39:54 +02:00
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 docs/nvdimm: add example on persistent backend setup 2019-09-16 06:27:35 -04:00
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 qemu-doc: Do not hard-code the name of the QEMU binary 2019-09-05 13:18:52 +02:00
qemu-cpu-models.texi qemu-doc: Do not hard-code the name of the QEMU binary 2019-09-05 13:18:52 +02:00
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 replay: update docs for record/replay with block devices 2019-10-14 17:12:48 +02:00
security.texi doc: document that the monitor console is a privileged control interface 2019-07-19 14:21:08 +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
virtio-net-failover.rst net/virtio: add failover support 2019-10-29 18:55:26 -04:00
virtio-pmem.rst virtio pmem: user document 2019-09-16 06:57:24 -04:00
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