Add support for Mirror VM.

[RFC PATCH 13/13] hw/i386/pc: reduce fw_cfg boot cpu count taking into account mirror vcpu's.

Ashish Kalra posted 13 patches 4 years, 4 months ago

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Maintainers: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Richard Henderson <richard.henderson@linaro.org>

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[RFC PATCH 13/13] hw/i386/pc: reduce fw_cfg boot cpu count taking into account mirror vcpu's.

Posted by Ashish Kalra 4 years, 4 months ago

From: Ashish Kalra <ashish.kalra@amd.com>

Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
---
 hw/i386/pc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 3856a47390..2c353becb7 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -962,6 +962,9 @@ void pc_memory_init(PCMachineState *pcms,
                                         option_rom_mr,
                                         1);
 
+    /* Reduce x86 boot cpu count taking into account mirror vcpus */
+    x86ms->boot_cpus -= machine->smp.mirror_vcpus;
+
     fw_cfg = fw_cfg_arch_create(machine,
                                 x86ms->boot_cpus, x86ms->apic_id_limit);
 
-- 
2.17.1