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David Gibson ff6f7e10c6 spapr: Handle VMX/VSX presence as an spapr capability flag 
We currently have some conditionals in the spapr device tree code to decide
whether or not to advertise the availability of the VMX (aka Altivec) and
VSX vector extensions to the guest, based on whether the guest cpu has
those features.

This can lead to confusion and subtle failures on migration, since it makes
a guest visible change based only on host capabilities.  We now have a
better mechanism for this, in spapr capabilities flags, which explicitly
depend on user options rather than host capabilities.

Rework the advertisement of VSX and VMX based on a new VSX capability.  We
no longer bother with a conditional for VMX support, because every CPU
that's ever been supported by the pseries machine type supports VMX.

NOTE: Some userspace distributions (e.g. RHEL7.4) already rely on
availability of VSX in libc, so using cap-vsx=off may lead to a fatal
SIGILL in init.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
(cherry picked from commit 2938664286)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
 		2018-02-05 18:53:46 -06:00
..
9pfs 9pfs: fix v9fs_mark_fids_unreclaim() return value 2017-11-06 18:05:35 +01:00
acpi * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
adc
…
alpha alpha: use generic cpu_model parsing 2017-10-27 16:03:53 +02:00
arm hw/arm/virt: Add 2.11 machine type 2017-11-24 11:28:56 +00:00
audio pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
block xen: dont try setting max grants multiple times 2017-10-26 14:23:08 -07:00
bt bt: stop the sdp memory allocation craziness 2017-08-01 17:27:33 +02:00
char spapr: Implement bug in spapr-vty device to be compatible with PowerVM 2017-11-22 15:28:37 +11:00
core * TCG 8-byte atomic accesses bugfix (Andrew) 2017-10-19 15:38:07 +01:00
cpu cpu: don't allow negative core id 2017-08-02 18:30:13 -03:00
cris cris: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
display vga: bugfixes for 2.11 2017-11-13 14:33:29 +00:00
dma sun4m_iommu: remove legacy sparc_iommu_memory_rw() function 2017-10-31 17:25:37 +00:00
gpio hw/gpio/omap_gpio.c: Don't use old_mmio 2017-09-21 16:34:27 +01:00
i2c pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
i386 pc: fix crash on attempted cpu unplug 2017-12-01 19:05:58 +02:00
ide ide: avoid referencing NULL dev in rotational rate setting 2017-10-31 18:00:03 -04:00
input ps2: fix scancodes sent for Ctrl+Pause key combination 2017-10-23 10:50:02 +02:00
intc hw/intc/arm_gic: reserved register addresses are RAZ/WI 2018-01-11 15:10:57 -06:00
ipack pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
ipmi qom: enforce readonly nature of link's check callback 2017-07-14 12:04:42 +02:00
isa pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
lm32 lm32: lm32_boards: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
m68k m68k: mcf5208: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
mem qmp: introduce query-memory-size-summary command 2017-09-14 15:52:10 +01:00
microblaze hw: Use new memory_region_init_{ram, rom, rom_device}() functions 2017-07-14 17:59:42 +01:00
mips mips: r4k: replace cpu_model with cpu_type 2017-10-27 16:04:28 +02:00
misc hw/arm/aspeed: Unlock SCU when running kernel 2017-11-20 13:47:49 +00:00
moxie moxie: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
net virtio-net: don't touch virtqueue if vm is stopped 2017-11-28 11:54:50 +08:00
nios2 nios2: replace cpu_nios2_init() with cpu_generic_init() 2017-09-01 11:54:24 -03:00
nvram fw_cfg: add write callback 2017-10-15 05:54:40 +03:00
openrisc openrisc: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
pci pci: Initialize pci_dev->name before use 2017-11-16 17:46:53 +02:00
pci-bridge hw/pci-bridge: fix QEMU crash because of pcie-root-port 2018-01-23 16:45:21 -06:00
pci-host hw/pci-host: Fix x86 Host Bridges 64bit PCI hole 2017-11-16 17:46:53 +02:00
pcmcia
…
ppc spapr: Handle VMX/VSX presence as an spapr capability flag 2018-02-05 18:53:46 -06:00
s390x s390x: fix storage attributes migration for non-small guests 2018-01-29 08:28:08 -06:00
scsi usb-storage: Fix share-rw option parsing 2018-01-29 09:27:47 -06:00
sd hw/sd/ssi-sd: Reset SD card on controller reset 2018-01-23 16:34:00 -06:00
sh4 sh4: shix: use generic cpu_model parsing 2017-10-27 16:03:54 +02:00
smbios stubs: move smbios stubs to hw/smbios 2017-01-16 17:52:35 +01:00
sparc sparc32_dma: introduce new SPARC32_DMA type container object 2017-10-31 17:25:36 +00:00
sparc64 sparc: sun4u/sun4v/niagara: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
ssi msf2: Remove dead code reported by Coverity 2017-10-31 11:50:51 +00:00
timer migration: pre_save return int 2017-09-27 11:35:59 +01:00
tpm tpm_tis: Return 0 for every register in case of failure mode 2017-11-15 06:47:35 -05:00
tricore tricore: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
unicore32 unicore32: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
usb usb-storage: Fix share-rw option parsing 2018-01-29 09:27:47 -06:00
vfio vfio: Fix vfio-kvm group registration 2018-01-09 11:09:36 -06:00
virtio vhost: remove assertion to prevent crash 2018-01-23 16:30:56 -06:00
watchdog pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices 2017-10-15 05:54:43 +03:00
xen pci-assign: Remove 2017-11-05 14:52:10 +01:00
xenpv xenfb: remove xen_init_display "temporary" hack 2017-07-07 11:10:03 -07:00
xtensa xtensa: lx60/lx200/ml605/kc705: use generic cpu_model parsing 2017-10-27 16:04:27 +02:00
Makefile.objs 9pfs: fix dependencies 2017-08-30 18:23:25 +02:00