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58c46efa45
qemu/hw/ppc
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Laurent Vivier 58c46efa45 pseries: do not allow memory-less/cpu-less NUMA node 
When we hotplug a CPU on memory-less/cpu-less node, the linux kernel
crashes.

This happens because linux kernel needs to know the NUMA topology at
start to be able to initialize the distance lookup table.

On pseries, the topology is provided by the firmware via the existing
CPUs and memory information. Thus a node without memory and CPU cannot be
discovered by the kernel.

To avoid the kernel crash, do not allow to start pseries with empty
nodes.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20190830161345.22436-1-lvivier@redhat.com>
[dwg: Rework to cope with movement of numa state from globals to MachineState]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-10-04 10:25:23 +10:00
..
e500-ccsr.h ppc: do not use ../ in include files 2013-03-01 13:57:33 +01:00
e500.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
e500.h platform-bus-device: use device plug callback instead of machine_done notifier 2018-05-10 18:10:56 +01:00
e500plat.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
fdt.c target/ppc: Split page size information into a separate allocation 2018-04-27 18:05:22 +10:00
fw_cfg.c hw/ppc: Implement fw_cfg_arch_key_name() 2019-05-23 14:10:31 +02:00
Kconfig spapr/xive: add KVM support 2019-05-29 11:39:45 +10:00
mac_newworld.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
mac_oldworld.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
mac.h ide: Include hw/ide/internal a bit less outside hw/ide/ 2019-08-16 13:31:52 +02:00
Makefile.objs spapr: initial implementation for H_TPM_COMM/spapr-tpm-proxy 2019-08-21 17:17:12 +10:00
mpc8544_guts.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
mpc8544ds.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
pnv_bmc.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
pnv_core.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
pnv_lpc.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
pnv_occ.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
pnv_psi.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
pnv_xscom.c ppc/pnv: add more dummy XSCOM addresses for the P9 CAPP 2019-08-29 09:45:18 +10:00
pnv.c ppc/pnv: Introduce PowerNV machines with fixed CPU models 2019-08-29 09:45:53 +10:00
ppc4xx_devs.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc4xx_pci.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc405_boards.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc405_uc.c Include hw/boards.h a bit less 2019-08-16 13:31:53 +02:00
ppc405.h ppc4xx: Export ECB and PLB emulation 2017-09-08 09:30:55 +10:00
ppc440_bamboo.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc440_pcix.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
ppc440_uc.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
ppc440.h ppc440_uc: Basic emulation of PPC440 DMA controller 2018-07-03 09:56:52 +10:00
ppc_booke.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
ppc.c migration: Do not re-read the clock on pre_save in case of paused guest 2019-08-21 17:17:11 +10:00
ppce500_spin.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
prep_systemio.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
prep.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
rs6000_mc.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
sam460ex.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00
spapr_caps.c ppc: fix memory leak in spapr_caps_add_properties 2019-08-21 17:17:11 +10:00
spapr_cpu_core.c spapr: Set compat mode in spapr_core_plug() 2019-08-29 09:46:07 +10:00
spapr_drc.c ppc: fix memory leak in spapr_dt_drc() 2019-08-21 17:17:11 +10:00
spapr_events.c spapr_events: Rewrite a fall through comment 2019-08-21 10:59:10 +02:00
spapr_hcall.c spapr: Use SHUTDOWN_CAUSE_SUBSYSTEM_RESET for CAS reboots 2019-08-29 09:46:07 +10:00
spapr_iommu.c spapr_iommu: Fix xlate trace to print translated address 2019-08-21 11:32:11 +10:00
spapr_irq.c spapr/irq: Drop spapr_irq_msi_reset() 2019-08-21 17:17:39 +10:00
spapr_ovec.c Include migration/vmstate.h less 2019-08-16 13:31:52 +02:00
spapr_pci_nvlink2.c spapr/pci: Convert types to QEMU coding style 2019-08-29 09:46:07 +10:00
spapr_pci_vfio.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
spapr_pci.c Machine + x86 queue, 2019-09-03 2019-09-04 14:44:54 +01:00
spapr_rng.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
spapr_rtas_ddw.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
spapr_rtas.c powerpc/spapr: Add host threads parameter to ibm,get_system_parameter 2019-08-29 09:46:07 +10:00
spapr_rtc.c Include migration/vmstate.h less 2019-08-16 13:31:52 +02:00
spapr_tpm_proxy.c spapr: initial implementation for H_TPM_COMM/spapr-tpm-proxy 2019-08-21 17:17:12 +10:00
spapr_vio.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
spapr.c pseries: do not allow memory-less/cpu-less NUMA node 2019-10-04 10:25:23 +10:00
trace-events spapr: initial implementation for H_TPM_COMM/spapr-tpm-proxy 2019-08-21 17:17:12 +10:00
virtex_ml507.c Include hw/qdev-properties.h less 2019-08-16 13:31:53 +02:00