kern/thread: new preemption control macros

These new macros take care of disabling/restoring interrupts in the
appropriate order.

1 files changed, 2 insertions, 4 deletions

diff --git a/kern/work.c b/kern/work.c
index 46475229..c0eb0bb1 100644
--- a/kern/work.c
+++ b/kern/work.c
@@ -217,8 +217,7 @@ work_pool_acquire(struct work_pool *pool, unsigned long *flags)
     if (pool->flags & WORK_PF_GLOBAL) {
         spinlock_lock_intr_save(&pool->lock, flags);
     } else {
-        thread_preempt_disable();
-        cpu_intr_save(flags);
+        thread_preempt_disable_intr_save(flags);
     }
 }
 
@@ -228,8 +227,7 @@ work_pool_release(struct work_pool *pool, unsigned long flags)
     if (pool->flags & WORK_PF_GLOBAL) {
         spinlock_unlock_intr_restore(&pool->lock, flags);
     } else {
-        cpu_intr_restore(flags);
-        thread_preempt_enable();
+        thread_preempt_enable_intr_restore(flags);
     }
 }