From 8fa6654712c7cba73fd1c8d93b094d90c1757000 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Tue, 26 Jan 2021 23:46:44 -0500 Subject: [PATCH 4/5] q35: Increase max_cpus to 710 on pc-q35-rhel8* machine types RH-Author: Eduardo Habkost Message-id: <20210126234644.3091529-1-ehabkost@redhat.com> Patchwork-id: 100791 O-Subject: [RHEL-AV-8.4.0 qemu-kvm PATCH] q35: Increase max_cpus to 710 on pc-q35-rhel8* machine types Bugzilla: 1904268 RH-Acked-by: Daniel P. Berrange RH-Acked-by: Thomas Huth RH-Acked-by: Paolo Bonzini Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1904268 Upstream: not applicable Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=34536802 The original goal was to support 1024 VCPUs, but 710 VCPUs is the maximum number we can reach before hitting SMBIOS table size limits. Signed-off-by: Eduardo Habkost Signed-off-by: Eduardo Lima (Etrunko) --- 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 5acb47afcf..72854192a9 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -589,7 +589,7 @@ static void pc_q35_machine_rhel_options(MachineClass *m) machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); m->alias = "q35"; - m->max_cpus = 512; + m->max_cpus = 710; compat_props_add(m->compat_props, pc_rhel_compat, pc_rhel_compat_len); } -- 2.18.4