Re: [PATCH v3 2/2] accel/tcg: Register a force_rcu notifier

[Richard Henderson]

On 11/8/21 12:33 PM, Greg Kurz wrote:
> +static void rr_force_rcu(Notifier *notify, void *data)
> +{
> +    /*
> +     * Called with rcu_registry_lock held, using async_run_on_cpu() ensures
> +     * that there are no deadlocks.
> +     */
> +    async_run_on_cpu(first_cpu, do_nothing, RUN_ON_CPU_NULL);
> +}

Should first_cpu really be rr_current_cpu?
It's not clear to me that this will work for -smp 2 -cpu thread=single.


r~