gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

do_migrate(): signal migrated thread before releasing runq lock

Browse Source
This commit is contained in:
Balazs Gerofi
2017-01-25 14:39:26 +09:00
parent b812848a0e
commit addbe91e59
4 changed files with 51 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/include/process.h
View File

@@ -790,6 +790,7 @@ void spin_sleep_or_schedule(void);
void runq_add_thread(struct thread *thread, int cpu_id);
void runq_del_thread(struct thread *thread, int cpu_id);
int sched_wakeup_thread(struct thread *thread, int valid_states);
int sched_wakeup_thread_locked(struct thread *thread, int valid_states);
void sched_request_migrate(int cpu_id, struct thread *thread);
void check_need_resched(void);

9
kernel/include/waitq.h
View File

@@ -27,6 +27,8 @@ typedef int (*waitq_func_t)(struct waitq_entry *wait, unsigned mode,
int default_wake_function(struct waitq_entry *wait, unsigned mode, int flags,
void *key);
int locked_wake_function(struct waitq_entry *wait, unsigned mode, int flags,
void *key);
typedef struct waitq {
ihk_spinlock_t lock;
@@ -57,6 +59,13 @@ typedef struct waitq_entry {
.link = { &(name).link, &(name).link } \
}
#define DECLARE_WAITQ_ENTRY_LOCKED(name, tsk) \
waitq_entry_t name = { \
.private = tsk, \
.func = locked_wake_function, \
.link = { &(name).link, &(name).link } \
}
extern void waitq_init(waitq_t *waitq);
extern void waitq_init_entry(waitq_entry_t *entry, struct thread *proc);
extern int waitq_active(waitq_t *waitq);