diff --git a/arch/x86_64/kernel/genapic_cluster.c b/arch/x86_64/kernel/genapic_cluster.c index 9703da7202e3..f6523dd1bc09 100644 --- a/arch/x86_64/kernel/genapic_cluster.c +++ b/arch/x86_64/kernel/genapic_cluster.c @@ -72,10 +72,14 @@ static void cluster_send_IPI_mask(cpumask_t mask, int vector) static void cluster_send_IPI_allbutself(int vector) { cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + int me = get_cpu(); /* Ensure we are not preempted when we clear */ + + cpu_clear(me, mask); if (!cpus_empty(mask)) cluster_send_IPI_mask(mask, vector); + + put_cpu(); } static void cluster_send_IPI_all(int vector)