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path: root/drivers/hwtracing/coresight/coresight-cpu-debug.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-cpu-debug.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-cpu-debug.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c
index 2dcf13de751f..00de46565bc4 100644
--- a/drivers/hwtracing/coresight/coresight-cpu-debug.c
+++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/panic_notifier.h>
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/smp.h>
@@ -587,11 +588,11 @@ static int debug_probe(struct amba_device *adev, const struct amba_id *id)
drvdata->base = base;
- get_online_cpus();
+ cpus_read_lock();
per_cpu(debug_drvdata, drvdata->cpu) = drvdata;
ret = smp_call_function_single(drvdata->cpu, debug_init_arch_data,
drvdata, 1);
- put_online_cpus();
+ cpus_read_unlock();
if (ret) {
dev_err(dev, "CPU%d debug arch init failed\n", drvdata->cpu);