diff options
Diffstat (limited to 'arch/s390/numa/mode_emu.c')
| -rw-r--r-- | arch/s390/numa/mode_emu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c index 9d4e1e15a6f0..646cd94cff2f 100644 --- a/arch/s390/numa/mode_emu.c +++ b/arch/s390/numa/mode_emu.c @@ -51,6 +51,11 @@ enum {TOPTREE_ID_PHYS, TOPTREE_ID_NUMA}; static int emu_nodes = 1; /* NUMA stripe size */ static unsigned long emu_size; + +/* + * Node to core pinning information updates are protected by + * "sched_domains_mutex". + */ /* Pinned core to node mapping */ static int cores_to_node_id[CONFIG_NR_CPUS]; /* Total number of pinned cores */ @@ -393,7 +398,7 @@ static void print_node_to_core_map(void) * Transfer physical topology into a NUMA topology and modify CPU masks * according to the NUMA topology. * - * This function is called under the CPU hotplug lock. + * Must be called with "sched_domains_mutex" lock held. */ static void emu_update_cpu_topology(void) { |