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| author | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
| commit | 79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch) | |
| tree | 5e0fa7156acb75ba603022bc807df8f2fedb97a8 /include/linux/coresight.h | |
| parent | 721b51fcf91898299d96f4b72cb9434cda29dce6 (diff) | |
| parent | 8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff) | |
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'include/linux/coresight.h')
| -rw-r--r-- | include/linux/coresight.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 3486b9082adb..c69e1b932809 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -14,6 +14,7 @@ #define _LINUX_CORESIGHT_H #include <linux/device.h> +#include <linux/sched.h> /* Peripheral id registers (0xFD0-0xFEC) */ #define CORESIGHT_PERIPHIDR4 0xfd0 @@ -248,4 +249,24 @@ static inline struct coresight_platform_data *of_get_coresight_platform_data( struct device *dev, 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 |