Changeset 4760793 in mainline for kernel/generic/src/interrupt/interrupt.c

Timestamp:

2024-01-14T18:23:40Z (4 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master

Children:

5663872, c7ceacf

Parents:

3b68542

Message:

Add CPU_LOCAL alongside CPU and segregate fields that are only used locally

This makes it more clear which fields can be used without synchronization
and which need more care.

File:

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

kernel/generic/src/interrupt/interrupt.c

@@ -121 +121 @@
 
         /* Account CPU usage if it woke up from sleep */
-        if (CPU && CPU->idle) {
+        if (CPU && CPU_LOCAL->idle) {
                 uint64_t now = get_cycle();
-                atomic_time_increment(&CPU->idle_cycles, now - CPU->last_cycle);
-                CPU->last_cycle = now;
-                CPU->idle = false;
+                atomic_time_increment(&CPU->idle_cycles, now - CPU_LOCAL->last_cycle);
+                CPU_LOCAL->last_cycle = now;
+                CPU_LOCAL->idle = false;
         }