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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bdf5fc6338
The associativity array index specified for a LMB in the device tree, /ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory, needs to be updated prior to DLPAR adding a LMB and after DLPAR removing a LMB. Without doing this step in the DLPAR add process a LMB could be configured with the incorrect affinity. For a LMB that was not present at boot the affinity index is set to 0xffffffff, which defaults to adding the LMB to the first online node since the index is not a valid value. Or, the affinity index could contain a stale value if the LMB was present at boot but later DLPAR removed and is being DLPAR added back to the system. This patch adds a step in the DLPAR add flow to look up the associativity index for a LMB prior to adding a LMB and setting the associativity to 0xffffffff when a LMB is removed. This patch also modifies the DLPAR add/remove flow to no longer do a single update of the device tree property after all of the requested DLPAR operations are complete and now does a property update during the add or remove of each LMB. Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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| .. | ||
| cmm.c | ||
| dlpar.c | ||
| dtl.c | ||
| eeh_pseries.c | ||
| event_sources.c | ||
| firmware.c | ||
| hotplug-cpu.c | ||
| hotplug-memory.c | ||
| hvCall_inst.c | ||
| hvCall.S | ||
| hvconsole.c | ||
| hvcserver.c | ||
| io_event_irq.c | ||
| iommu.c | ||
| Kconfig | ||
| kexec.c | ||
| lpar.c | ||
| lparcfg.c | ||
| Makefile | ||
| mobility.c | ||
| msi.c | ||
| nvram.c | ||
| of_helpers.c | ||
| of_helpers.h | ||
| offline_states.h | ||
| pci_dlpar.c | ||
| pci.c | ||
| power.c | ||
| pseries_energy.c | ||
| pseries.h | ||
| ras.c | ||
| reconfig.c | ||
| rng.c | ||
| scanlog.c | ||
| setup.c | ||
| smp.c | ||
| suspend.c | ||