reserve_user_space(): mutual exclusion on mmap

2017-01-24 12:38:59 +09:00
parent 1bc3218fc1
commit ad214c8206
3 changed files with 6 additions and 0 deletions
--- a/executer/kernel/mcctrl/mcctrl.h
+++ b/executer/kernel/mcctrl/mcctrl.h
@@ -283,6 +283,7 @@ struct mcctrl_usrdata {
 	int	base_cpu;
 	int	job_pos;
 	int	mcctrl_dma_abort;
+	struct mutex reserve_lock;
 	unsigned long	last_thread_exec;
 	wait_queue_head_t wq_procfs;
 	struct list_head per_proc_data_hash[MCCTRL_PER_PROC_DATA_HASH_SIZE];