diff options
Diffstat (limited to 'drivers/android')
| -rw-r--r-- | drivers/android/binder.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 71faf548482d..3c1129d91825 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -334,14 +334,14 @@ enum { BINDER_LOOPER_STATE_EXITED = 0x04, BINDER_LOOPER_STATE_INVALID = 0x08, BINDER_LOOPER_STATE_WAITING = 0x10, - BINDER_LOOPER_STATE_NEED_RETURN = 0x20 }; struct binder_thread { struct binder_proc *proc; struct rb_node rb_node; int pid; - int looper; + int looper; /* only modified by this thread */ + bool looper_need_return; /* can be written by other thread */ struct binder_transaction *transaction_stack; struct list_head todo; uint32_t return_error; /* Write failed, return error code in read buf */ @@ -2276,14 +2276,13 @@ static void binder_stat_br(struct binder_proc *proc, static int binder_has_proc_work(struct binder_proc *proc, struct binder_thread *thread) { - return !list_empty(&proc->todo) || - (thread->looper & BINDER_LOOPER_STATE_NEED_RETURN); + return !list_empty(&proc->todo) || thread->looper_need_return; } static int binder_has_thread_work(struct binder_thread *thread) { return !list_empty(&thread->todo) || thread->return_error != BR_OK || - (thread->looper & BINDER_LOOPER_STATE_NEED_RETURN); + thread->looper_need_return; } static int binder_put_node_cmd(struct binder_proc *proc, @@ -2412,8 +2411,7 @@ retry: entry); } else { /* no data added */ - if (ptr - buffer == 4 && - !(thread->looper & BINDER_LOOPER_STATE_NEED_RETURN)) + if (ptr - buffer == 4 && !thread->looper_need_return) goto retry; break; } @@ -2727,7 +2725,7 @@ static struct binder_thread *binder_get_thread(struct binder_proc *proc) INIT_LIST_HEAD(&thread->todo); rb_link_node(&thread->rb_node, parent, p); rb_insert_color(&thread->rb_node, &proc->threads); - thread->looper |= BINDER_LOOPER_STATE_NEED_RETURN; + thread->looper_need_return = true; thread->return_error = BR_OK; thread->return_error2 = BR_OK; } @@ -2983,7 +2981,7 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) ret = 0; err: if (thread) - thread->looper &= ~BINDER_LOOPER_STATE_NEED_RETURN; + thread->looper_need_return = false; binder_unlock(__func__); wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2); if (ret && ret != -ERESTARTSYS) @@ -3138,7 +3136,7 @@ static void binder_deferred_flush(struct binder_proc *proc) for (n = rb_first(&proc->threads); n != NULL; n = rb_next(n)) { struct binder_thread *thread = rb_entry(n, struct binder_thread, rb_node); - thread->looper |= BINDER_LOOPER_STATE_NEED_RETURN; + thread->looper_need_return = true; if (thread->looper & BINDER_LOOPER_STATE_WAITING) { wake_up_interruptible(&thread->wait); wake_count++; @@ -3399,7 +3397,9 @@ static void print_binder_thread(struct seq_file *m, size_t start_pos = m->count; size_t header_pos; - seq_printf(m, " thread %d: l %02x\n", thread->pid, thread->looper); + seq_printf(m, " thread %d: l %02x need_return %d\n", + thread->pid, thread->looper, + thread->looper_need_return); header_pos = m->count; t = thread->transaction_stack; while (t) { |
