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[Qemu-devel] [PATCH] x86: Increase max vcpu number to 352


From: Lan Tianyu
Subject: [Qemu-devel] [PATCH] x86: Increase max vcpu number to 352
Date: Thu, 10 Aug 2017 18:08:07 +0800

Intel Xeon phi chip will support 352 logical threads. For HPC
usage case, it will create a huge VM with vcpus number as same as host
cpus. This patch is to increase max vcpu number to 352.

Signed-off-by: Lan Tianyu <address@hidden>
---
 hw/i386/pc_q35.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 169a214..5e93749 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -299,7 +299,7 @@ static void pc_q35_machine_options(MachineClass *m)
     m->default_display = "std";
     m->no_floppy = 1;
     m->has_dynamic_sysbus = true;
-    m->max_cpus = 288;
+    m->max_cpus = 352;
 }
 
 static void pc_q35_2_10_machine_options(MachineClass *m)
-- 
1.8.3.1




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