maxcpus, which specifies the maximum number of hotpluggable CPUs,
should not exceed KVM's vcpu limit.
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c
+++ qemu/kvm-all.c
@@ -1391,6 +1391,13 @@ int kvm_init(void)
goto err;
}
+ if (max_cpus > max_vcpus) {
+ ret = -EINVAL;
+ fprintf(stderr, "Number of max_cpus requested (%d) exceeds max cpus "
+ "supported by KVM (%d)\n", max_cpus, max_vcpus);
+ goto err;
+ }
+
s->vmfd = kvm_ioctl(s, KVM_CREATE_VM, 0);
if (s->vmfd < 0) {
#ifdef TARGET_S390X
--
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