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xemu/hw
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Cédric Le Goater 75d7150c63 s390x/pv: Implement a CGS check helper 
When a protected VM is started with the maximum number of CPUs (248),
the service call providing information on the CPUs requires more
buffer space than allocated and QEMU disgracefully aborts :

    LOADPARM=[........]
    Using virtio-blk.
    Using SCSI scheme.
    ...................................................................................
    qemu-system-s390x: KVM_S390_MEM_OP failed: Argument list too long

When protected virtualization is initialized, compute the maximum
number of vCPUs supported by the machine and return useful information
to the user before the machine starts in case of error.

Suggested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20230116174607.2459498-2-clg@kaod.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
 		2023-01-18 12:27:21 +01:00
..
9pfs error handling: Use RETRY_ON_EINTR() macro where applicable 2023-01-09 13:50:47 +01:00
acpi acpi: cpuhp: fix guest-visible maximum access size to the legacy reg block 2023-01-08 01:54:23 -05:00
adc hw/adc: Make adci[*] R/W in NPCM7XX ADC 2022-07-18 13:20:14 +01:00
alpha include/hw/pci: Break inclusion loop pci_bridge.h and cxl.h 2023-01-08 01:54:22 -05:00
arm bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
audio include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
avr Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
block bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
char bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
core bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
cpu cpu/core: Fix "help" of CPU core device types 2021-04-09 16:05:16 -04:00
cris Do not include exec/address-spaces.h if it's not really necessary 2021-05-02 17:24:51 +02:00
cxl hw/cxl/cdat: CXL CDAT Data Object Exchange implementation 2022-11-07 13:12:19 -05:00
display bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
dma bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
gpio hw/gpio/omap_gpio: Use CamelCase for TYPE_OMAP2_GPIO type name 2023-01-12 17:15:09 +00:00
hppa hw: Remove unused MAX_IDE_BUS define 2022-10-31 11:32:07 +01:00
hyperv hw/hyperv/vmbus: Use device_cold_reset() and bus_cold_reset() 2022-12-16 15:55:32 +00:00
i2c bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
i386 bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
ide virtio,pc,pci: features, cleanups, fixes 2023-01-09 10:07:12 +00:00
input hw/input/tsc2xxx: Constify set_transform()'s MouseTransformInfo arg 2023-01-05 14:11:15 +00:00
intc bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
ipack include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
ipmi include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
isa hw/usb/hcd-uhci: Introduce TYPE_ defines for device models 2023-01-13 16:22:57 +01:00
loongarch hw/intc/loongarch_pch: Change default irq number of pch irq controller 2023-01-06 14:12:43 +08:00
m68k hw: Add compat machines for 8.0 2022-12-21 06:35:28 -05:00
mem hw/cxl/device: Add Flex Bus Port DVSEC 2022-12-21 07:32:24 -05:00
microblaze hw/microblaze: pass random seed to fdt 2022-09-21 19:59:56 +02:00
mips hw/mips/boston: Rename MachineState 'mc' pointer to 'ms' 2023-01-13 16:22:57 +01:00
misc bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
net bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
nios2 hw/nios2: set machine->fdt in nios2_load_dtb() 2022-10-17 16:15:10 -03:00
nubus qbus: Rename qbus_create_inplace() to qbus_init() 2021-09-30 13:42:10 +01:00
nvme hw/nvme updates 2023-01-11 16:41:13 +00:00
nvram qapi machine: Elide redundant has_FOO in generated C 2022-12-14 20:04:47 +01:00
openrisc openrisc: re-randomize rng-seed on reboot 2022-10-27 11:34:31 +01:00
pci bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
pci-bridge bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
pci-host bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
pcmcia hw/pcmcia: Do not register PCMCIA type if not required 2021-05-02 17:24:50 +02:00
ppc bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
rdma include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
remote hw/pci/pci: Factor out pci_bus_map_irqs() from pci_bus_irqs() 2023-01-13 16:22:57 +01:00
riscv hw/riscv: opentitan: Drop "hartid-base" and "priority-base" initialization 2023-01-06 10:42:55 +10:00
rtc bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
rx rx: re-randomize rng-seed on reboot 2022-10-27 11:34:31 +01:00
s390x s390x/pv: Implement a CGS check helper 2023-01-18 12:27:21 +01:00
scsi vhost-scsi: fix memleak of vsc->inflight 2023-01-08 01:54:23 -05:00
sd hw/arm/omap: Drop useless casts from void * to pointer 2023-01-12 17:15:09 +00:00
sensor hw/sensor: Add Renesas ISL69259 device model 2022-07-14 16:24:38 +02:00
sh4 bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
smbios include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
sparc machine: make memory-backend a link property 2022-05-12 12:29:44 +02:00
sparc64 hw: Remove unused MAX_IDE_BUS define 2022-10-31 11:32:07 +01:00
ssi bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
timer bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
tpm tpm_crb: Avoid backend startup just before shutdown under Xen 2022-09-09 17:55:59 -04:00
tricore hw/tricore: fix inclusion of tricore_testboard 2021-07-20 20:10:21 +02:00
usb hw/usb/hcd-uhci: Introduce TYPE_ defines for device models 2023-01-13 16:22:57 +01:00
vfio include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
virtio bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
watchdog include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
xen bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx 2023-01-18 11:14:34 +01:00
xenpv Warn user if the vga flag is passed but no vga device is created 2022-05-09 08:21:14 +02:00
xtensa hw/xtensa: fix reset value of MIROUT register of MX PIC 2022-05-06 15:27:40 -07:00
Kconfig hw/loongarch: Add support loongson3 virt machine type. 2022-06-06 18:09:03 +00:00
meson.build hw/loongarch: Add support loongson3 virt machine type. 2022-06-06 18:09:03 +00:00