From: Kan Liang <[email protected]>
Intel cstate PMU driver will invoke the topology_cluster_cpumask() to
retrieve the CPU mask of a cluster. A modpost error is triggered since
the symbol cpu_clustergroup_mask is not exported.
Signed-off-by: Kan Liang <[email protected]>
---
arch/x86/kernel/smpboot.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 48e040618731..376387ca6be5 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -747,6 +747,7 @@ const struct cpumask *cpu_clustergroup_mask(int cpu)
{
return cpu_l2c_shared_mask(cpu);
}
+EXPORT_SYMBOL(cpu_clustergroup_mask);
static void impress_friends(void)
{
--
2.35.1