summaryrefslogtreecommitdiff
path: root/arch/x86_64/kernel/genapic_cluster.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86_64/kernel/genapic_cluster.c')
-rw-r--r--arch/x86_64/kernel/genapic_cluster.c6
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)
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)