Changeset 181a746 in mainline for kernel/generic/src/interrupt/interrupt.c

Timestamp:

2012-07-10T17:50:29Z (12 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

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

Children:

5b6c033

Parents:

22b5924

Message:

rcu: Added preemptible RCU's core API implementation.

File:

• kernel/generic/src/interrupt/interrupt.c (modified) (1 diff)

kernel/generic/src/interrupt/interrupt.c

@@ -110 +110 @@
         }
         
-        /* Account CPU usage if it has waked up from sleep */
-        if (CPU) {
+        /* Account CPU usage if it woke up from sleep */
+        if (CPU && CPU->idle) {
                 irq_spinlock_lock(&CPU->lock, false);
-                if (CPU->idle) {
-                        uint64_t now = get_cycle();
-                        CPU->idle_cycles += now - CPU->last_cycle;
-                        CPU->last_cycle = now;
-                        CPU->idle = false;
-                }
+                uint64_t now = get_cycle();
+                CPU->idle_cycles += now - CPU->last_cycle;
+                CPU->last_cycle = now;
+                CPU->idle = false;
                 irq_spinlock_unlock(&CPU->lock, false);
         }