diff options
-rw-r--r-- | arch/x86_64/kernel/genapic_cluster.c | 6 |
1 files changed, 5 insertions, 1 deletions
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) | |||
72 | static void cluster_send_IPI_allbutself(int vector) | 72 | static void cluster_send_IPI_allbutself(int vector) |
73 | { | 73 | { |
74 | cpumask_t mask = cpu_online_map; | 74 | cpumask_t mask = cpu_online_map; |
75 | cpu_clear(smp_processor_id(), mask); | 75 | int me = get_cpu(); /* Ensure we are not preempted when we clear */ |
76 | |||
77 | cpu_clear(me, mask); | ||
76 | 78 | ||
77 | if (!cpus_empty(mask)) | 79 | if (!cpus_empty(mask)) |
78 | cluster_send_IPI_mask(mask, vector); | 80 | cluster_send_IPI_mask(mask, vector); |
81 | |||
82 | put_cpu(); | ||
79 | } | 83 | } |
80 | 84 | ||
81 | static void cluster_send_IPI_all(int vector) | 85 | static void cluster_send_IPI_all(int vector) |