diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index abdc814162d53d88e5afb4dd8de3b283f1159c84..283aa4602eb1838393ad024db8db5d665b97abd7 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -2529,6 +2529,7 @@ static ssize_t set_attr_rdpmc(struct device *cdev,
 			      struct device_attribute *attr,
 			      const char *buf, size_t count)
 {
+	static DEFINE_MUTEX(rdpmc_mutex);
 	unsigned long val;
 	ssize_t ret;
 
@@ -2542,6 +2543,8 @@ static ssize_t set_attr_rdpmc(struct device *cdev,
 	if (x86_pmu.attr_rdpmc_broken)
 		return -ENOTSUPP;
 
+	mutex_lock(&rdpmc_mutex);
+
 	if (val != x86_pmu.attr_rdpmc) {
 		/*
 		 * Changing into or out of never available or always available,
@@ -2562,6 +2565,8 @@ static ssize_t set_attr_rdpmc(struct device *cdev,
 		x86_pmu.attr_rdpmc = val;
 	}
 
+	mutex_unlock(&rdpmc_mutex);
+
 	return count;
 }