Changeset 328e0d3 in mainline for generic/src/proc/scheduler.c

Timestamp:

2006-02-05T14:40:19Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9b9e385

Parents:

444ec64

Message:

Comments clarification.

File:

• generic/src/proc/scheduler.c (modified) (1 diff)

generic/src/proc/scheduler.c

@@ -132 +132 @@
                  * until a hardware interrupt or an IPI comes.
                  * This improves energy saving and hyperthreading.
-                 *
-                 * - we might get an interrupt here that makes some thread runnable,
-                 *   in such a case we must wait for the next quantum to come
-                 */
+                 */
+
+                /*
+                 * An interrupt might occur right now and wake up a thread.
+                 * In such case, the CPU will continue to go to sleep
+                 * even though there is a runnable thread.
+                 */
+
                  cpu_sleep();
                  goto loop;