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sysemu: support up to 1024 vCPUs

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Some systems can already provide more than 255 hardware threads.

Bumping the QEMU limit to 1024 seems reasonable:
- it has no visible overhead in top;
- the limit itself has no effect on hot paths.

Cc: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2017-02-24 15:55:31 +11:00 committed by David Gibson
parent f32899de97
commit 6244bb7e58
1 changed files with 1 additions and 1 deletions
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hw/ppc/spapr.c
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@ -2891,7 +2891,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
mc->init = ppc_spapr_init;
mc->reset = ppc_spapr_reset;
mc->block_default_type = IF_SCSI;
mc->max_cpus = 255;
mc->max_cpus = 1024;
mc->no_parallel = 1;
mc->default_boot_order = "";
mc->default_ram_size = 512 * M_BYTE;