Once smp_parse is done, the validation operates on the MachineState.
There is no reason for that code to be in vl.c.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/core/machine.c   | 23 +++++++++++++++++++++++
 include/hw/boards.h |  1 +
 softmmu/vl.c        | 20 ++------------------
 3 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index d0408049b5..cd298fac13 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -1074,6 +1074,29 @@ MemoryRegion *machine_consume_memdev(MachineState *machine,
     return ret;
 }
 
+bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp)
+{
+    MachineClass *mc = MACHINE_GET_CLASS(ms);
+
+    mc->smp_parse(ms, opts);
+
+    /* sanity-check smp_cpus and max_cpus against mc */
+    if (ms->smp.cpus < mc->min_cpus) {
+        error_setg(errp, "Invalid SMP CPUs %d. The min CPUs "
+                   "supported by machine '%s' is %d",
+                   ms->smp.cpus,
+                   mc->name, mc->min_cpus);
+        return false;
+    } else if (ms->smp.max_cpus > mc->max_cpus) {
+        error_setg(errp, "Invalid SMP CPUs %d. The max CPUs "
+                   "supported by machine '%s' is %d",
+                   current_machine->smp.max_cpus,
+                   mc->name, mc->max_cpus);
+        return false;
+    }
+    return true;
+}
+
 void machine_run_board_init(MachineState *machine)
 {
     MachineClass *machine_class = MACHINE_GET_CLASS(machine);
diff --git a/include/hw/boards.h b/include/hw/boards.h
index a49e3a6b44..4537cfb5c6 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -26,6 +26,7 @@ OBJECT_DECLARE_TYPE(MachineState, MachineClass, MACHINE)
 extern MachineState *current_machine;
 
 void machine_run_board_init(MachineState *machine);
+bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp);
 bool machine_usb(MachineState *machine);
 int machine_phandle_start(MachineState *machine);
 bool machine_dump_guest_core(MachineState *machine);
diff --git a/softmmu/vl.c b/softmmu/vl.c
index aaea88f599..fae72a9071 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -3972,24 +3972,8 @@ void qemu_init(int argc, char **argv, char **envp)
         exit(0);
     }
 
-    machine_class->smp_parse(current_machine,
-        qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
-
-    /* sanity-check smp_cpus and max_cpus against machine_class */
-    if (current_machine->smp.cpus < machine_class->min_cpus) {
-        error_report("Invalid SMP CPUs %d. The min CPUs "
-                     "supported by machine '%s' is %d",
-                     current_machine->smp.cpus,
-                     machine_class->name, machine_class->min_cpus);
-        exit(1);
-    }
-    if (current_machine->smp.max_cpus > machine_class->max_cpus) {
-        error_report("Invalid SMP CPUs %d. The max CPUs "
-                     "supported by machine '%s' is %d",
-                     current_machine->smp.max_cpus,
-                     machine_class->name, machine_class->max_cpus);
-        exit(1);
-    }
+    machine_smp_parse(current_machine,
+        qemu_opts_find(qemu_find_opts("smp-opts"), NULL), &error_fatal);
 
     if (mem_prealloc) {
         char *val;
-- 
2.26.2