On Fri, Sep 03, 2021, Vitaly Kuznetsov wrote: > Sean Christopherson <seanjc@xxxxxxxxxx> writes: > >> @@ -5581,9 +5583,15 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, > >> goto out_free_3; > >> } > >> > >> + for_each_possible_cpu(cpu) { > >> + if (!alloc_cpumask_var_node(&per_cpu(cpu_kick_mask, cpu), > >> + GFP_KERNEL, cpu_to_node(cpu))) > >> + goto out_free_4; > > > > 'r' needs to be explicitly set to -EFAULT, e.g. in the current code it's > > guaranteed to be 0 here. > > Oops, yes. Any particular reason to avoid -ENOMEM? (hope not, will use > this in v5) Huh. Yes, -ENOMEM. I have no idea why I typed -EFAULT.