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Commit 25b4a2b9 authored by Mathieu Poirier's avatar Mathieu Poirier Committed by Greg Kroah-Hartman
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coresight: Remove function coresight_vpid_to_pid() 



Now that we prevent users from using contextID tracing when PID namespaces
are involved there is no client for function coresight_vpid_to_pid().  As
such simply remove it.

Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: default avatarKim Phillips <kim.phillips@arm.com>
Acked-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 450367f0

include/linux/coresight.h

+0 −20
Original line number Diff line number Diff line
@@ -267,24 +267,4 @@ static inline struct coresight_platform_data *of_get_coresight_platform_data( 
	struct device *dev, const struct device_node *node) { return NULL; }

#endif



#ifdef CONFIG_PID_NS

static inline unsigned long

coresight_vpid_to_pid(unsigned long vpid)

{

	struct task_struct *task = NULL;

	unsigned long pid = 0;



	rcu_read_lock();

	task = find_task_by_vpid(vpid);

	if (task)

		pid = task_pid_nr(task);

	rcu_read_unlock();



	return pid;

}

#else

static inline unsigned long

coresight_vpid_to_pid(unsigned long vpid) { return vpid; }

#endif



#endif