arm: rockchip: rk3228: dts: add DMAC support

[firefly-linux-kernel-4.4.55.git] / kernel / exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index 33fde71b83d057579c5c55d48d8479b9d69944bb..d24cf080bdfd33fff6a05d50239f1f0cdb7f9b78 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -263,9 +263,9 @@ int is_current_pgrp_orphaned(void)
 {
        int retval;
 
-       read_lock(&tasklist_lock);
+       read_lock_irq(&tasklist_lock);
        retval = will_become_orphaned_pgrp(task_pgrp(current), NULL);
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
 
        return retval;
 }
@@ -388,7 +388,7 @@ retry:
                return;
        }
 
-       read_lock(&tasklist_lock);
+       read_lock_irq(&tasklist_lock);
        /*
         * Search in the children
         */
@@ -414,7 +414,7 @@ retry:
                        goto assign_new_owner;
        } while_each_thread(g, c);
 
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
        /*
         * We found no owner yet mm_users > 1: this implies that we are
         * most likely racing with swapoff (try_to_unuse()) or /proc or
@@ -435,7 +435,7 @@ assign_new_owner:
         * Delay read_unlock() till we have the task_lock()
         * to ensure that c does not slip away underneath us
         */
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
        if (c->mm != mm) {
                task_unlock(c);
                put_task_struct(c);
@@ -1043,7 +1043,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
                int why;
 
                get_task_struct(p);
-               read_unlock(&tasklist_lock);
+               read_unlock_irq(&tasklist_lock);
                if ((exit_code & 0x7f) == 0) {
                        why = CLD_EXITED;
                        status = exit_code >> 8;
@@ -1127,7 +1127,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
         * Now we are sure this task is interesting, and no other
         * thread can reap it because we set its state to EXIT_DEAD.
         */
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
 
        retval = wo->wo_rusage
                ? getrusage(p, RUSAGE_BOTH, wo->wo_rusage) : 0;
@@ -1261,7 +1261,7 @@ unlock_sig:
        get_task_struct(p);
        pid = task_pid_vnr(p);
        why = ptrace ? CLD_TRAPPED : CLD_STOPPED;
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
 
        if (unlikely(wo->wo_flags & WNOWAIT))
                return wait_noreap_copyout(wo, p, pid, uid, why, exit_code);
@@ -1323,7 +1323,7 @@ static int wait_task_continued(struct wait_opts *wo, struct task_struct *p)
 
        pid = task_pid_vnr(p);
        get_task_struct(p);
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
 
        if (!wo->wo_info) {
                retval = wo->wo_rusage
@@ -1539,7 +1539,7 @@ repeat:
                goto notask;
 
        set_current_state(TASK_INTERRUPTIBLE);
-       read_lock(&tasklist_lock);
+       read_lock_irq(&tasklist_lock);
        tsk = current;
        do {
                retval = do_wait_thread(wo, tsk);
@@ -1553,7 +1553,7 @@ repeat:
                if (wo->wo_flags & __WNOTHREAD)
                        break;
        } while_each_thread(current, tsk);
-       read_unlock(&tasklist_lock);
+       read_unlock_irq(&tasklist_lock);
 
 notask:
        retval = wo->notask_error;