Changeset 418 for trunk/kernel/kern/chdev.c

Timestamp:

Jan 8, 2018, 2:25:39 PM (5 years ago)

Author:

alain

Message:

Fix a bug in hal_kentry.S : the "uzone" pointer in the thread descriptor
must not be modified in case of interrupt.

File:

• trunk/kernel/kern/chdev.c (modified) (3 diffs)

trunk/kernel/kern/chdev.c

@@ -123 +123 @@
     uint32_t   save_sr;       // for critical section
 
+#if CONFIG_READ_DEBUG
+enter_chdev_cmd = hal_time_stamp();
+#endif
+
     thread_t * this = CURRENT_THREAD;
 
@@ -187 +191 @@
     hal_restore_irq( save_sr );
 
+#if CONFIG_READ_DEBUG
+exit_chdev_cmd = hal_time_stamp();
+#endif
+
 }  // end chdev_register_command()
 
@@ -253 +261 @@
             xlist_unlink( XPTR( client_cxy , &client_ptr->wait_list ) );
             remote_spinlock_unlock( lock_xp );
+
+            // unblock client thread
+            thread_unblock( client_xp , THREAD_BLOCKED_IO );
 
 chdev_dmsg("\n[DBG] %s : thread %x complete operation for client %x / cycle %d\n",