From 6244bb7e5811ff689688ab7ee8e8a7ced1c85010 Mon Sep 17 00:00:00 2001
From: Greg Kurz <gkurz@linux.vnet.ibm.com>
Date: Fri, 24 Feb 2017 15:55:31 +1100
Subject: [PATCH] sysemu: support up to 1024 vCPUs
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>
---
hw/ppc/spapr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 87d8366c44..0b57aade3f 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -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;
--
2.42.0