AuxXxilium/linux_dsm_epyc7002
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e59a175faa
linux_dsm_epyc7002/arch/powerpc/platforms/pseries
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Nathan Lynch e59a175faa powerpc/pseries/mobility: prevent cpu hotplug during DT update 
CPU online/offline code paths are sensitive to parts of the device
tree (various cpu node properties, cache nodes) that can be changed as
a result of a migration.

Prevent CPU hotplug while the device tree potentially is inconsistent.

Fixes: 410bccf978 ("powerpc/pseries: Partition migration in the kernel")
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2019-06-15 16:52:07 +10:00
..
cmm.c mm: convert totalram_pages and totalhigh_pages variables to atomic 2018-12-28 12:11:47 -08:00
dlpar.c powerpc/pseries/dlpar: Fix a missing check in dlpar_parse_cc_property() 2019-06-02 19:39:35 +10:00
dtl.c powerpc/pseries: Fix how we iterate over the DTL entries 2018-10-03 15:40:02 +10:00
eeh_pseries.c powerpc/eeh: Cleanup eeh_ops.wait_state() 2018-10-13 22:21:25 +11:00
event_sources.c powerpc/pseries: Use of_irq_get helper() in request_event_sources_irqs() 2018-10-03 15:40:01 +10:00
firmware.c powerpc/pseries: PAPR persistent memory support 2018-10-19 00:56:17 +11:00
hotplug-cpu.c powerpc/pseries: Perform full re-add of CPU for topology update post-migration 2019-01-30 23:28:56 +11:00
hotplug-memory.c powerpc/pseries: Fix oops in hotplug memory notifier 2019-06-14 15:36:33 +10:00
hvCall_inst.c powerpc/pseries: hcall_exit tracepoint retval should be signed 2018-05-10 23:17:43 +10:00
hvCall.S jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
hvconsole.c powerpc/pseries/hvconsole: Fix stack overread via udbg 2019-06-14 15:35:53 +10:00
hvcserver.c
ibmebus.c pseries: ibmebus.c: convert to use BUS_ATTR_WO 2019-01-22 14:25:26 +01:00
io_event_irq.c
iommu.c powerpc/pseries/iommu: Fix set but not used values 2019-04-20 22:02:26 +10:00
Kconfig Kconfig file consolidation for v4.21 2018-12-29 13:40:29 -08:00
kexec.c powerpc/xive: Remove xive_kexec_teardown_cpu() 2018-08-07 21:49:28 +10:00
lpar.c powerpc/mm: move warning from resize_hpt_for_hotplug() 2019-04-20 22:02:26 +10:00
lparcfg.c powerpc/pseries: export timebase register sample in lparcfg 2019-02-22 00:10:15 +11:00
Makefile powerpc/pseries: Add driver for PAPR SCM regions 2018-10-19 00:56:17 +11:00
mobility.c powerpc/pseries/mobility: prevent cpu hotplug during DT update 2019-06-15 16:52:07 +10:00
msi.c powerpc/eeh: Cleanup list_head field names 2018-10-13 22:21:25 +11:00
nvram.c powerpc: Adopt nvram module for PPC64 2019-01-22 10:21:45 +01:00
of_helpers.c
of_helpers.h
offline_states.h
papr_scm.c device-dax for 5.1 2019-03-16 13:05:32 -07:00
pci_dlpar.c
pci.c powerpc/pseries: Fix build break due to pnv_npu2_init() 2019-01-15 21:27:47 +11:00
pmem.c powerpc/pseries/pmem: Fix a set but not used value 2019-04-20 22:02:26 +10:00
power.c
pseries_energy.c powerpc/pseries/energy: Use OF accessor functions to read ibm,drc-indexes 2019-03-27 10:40:09 +11:00
pseries.h powerpc/pseries: PAPR persistent memory support 2018-10-19 00:56:17 +11:00
ras.c powerpc/pseries: hwpoison the pages upon hitting UE 2019-04-20 22:02:35 +10:00
reconfig.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
rng.c
scanlog.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
setup.c powerpc: prefer memblock APIs returning virtual address 2019-03-07 18:32:03 -08:00
smp.c Merge branch 'topic/paca' into next 2018-03-31 09:09:36 +11:00
suspend.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
vio.c powerpc/dma: use the generic direct mapping bypass 2019-02-18 22:41:04 +11:00