| Message ID | 1502841979-6233-2-git-send-email-tianyu.lan@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index b469d05..3468f5a 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 = 8192; } static void pc_q35_2_11_machine_options(MachineClass *m) @@ -314,6 +314,7 @@ static void pc_q35_2_10_machine_options(MachineClass *m) { pc_q35_2_11_machine_options(m); m->alias = NULL; + m->max_cpus = 288; m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; SET_MACHINE_COMPAT(m, PC_COMPAT_2_10); }
For HPC usage case, it will create a huge VM with vcpus number as same as host cpus and this requires more vcpus support in a single VM. This patch is to increase max vcpu number from 288 to 8192 which is current default maximum cpu number for Linux kernel. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> --- hw/i386/pc_q35.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)