diff mbox series

[RFC,03/13] hw/i386: Mark mirror vcpus in possible_cpus

Message ID e35c4836b2b58db61a577e3bd5a642646f90f043.1629118207.git.ashish.kalra@amd.com (mailing list archive)
State New, archived
Headers show
Series Add support for Mirror VM. | expand

Commit Message

Kalra, Ashish Aug. 16, 2021, 1:27 p.m. UTC 
From: Dov Murik <dovmurik@linux.vnet.ibm.com>

Mark the last mirror_vcpus vcpus in the machine state's possible_cpus as
mirror.

Signed-off-by: Dov Murik <dovmurik@linux.vnet.ibm.com>
Co-developed-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
---
 hw/i386/x86.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 00448ed55a..a0103cb0aa 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -448,6 +448,7 @@  const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
 {
     X86MachineState *x86ms = X86_MACHINE(ms);
     unsigned int max_cpus = ms->smp.max_cpus;
+    unsigned int mirror_vcpus_start_at = max_cpus - ms->smp.mirror_vcpus;
     X86CPUTopoInfo topo_info;
     int i;
 
@@ -475,6 +476,7 @@  const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
             x86_cpu_apic_id_from_index(x86ms, i);
         x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
                                  &topo_info, &topo_ids);
+        ms->possible_cpus->cpus[i].mirror_vcpu = i >= mirror_vcpus_start_at;
         ms->possible_cpus->cpus[i].props.has_socket_id = true;
         ms->possible_cpus->cpus[i].props.socket_id = topo_ids.pkg_id;
         if (ms->smp.dies > 1) {