Changeset 169815e in mainline for kernel/generic/src/interrupt/interrupt.c

Timestamp:

2023-04-16T12:22:00Z (18 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

fbaf6ac

Parents:

b2ec5cf

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-04-16 12:14:09)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-04-16 12:22:00)

Message:

Split cpu_t::lock into fpu_lock and tlb_lock

For all other purposes, locking is unnecessary, since the fields
in question are only accessed locally from the CPU they belong to.

File:

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

kernel/generic/src/interrupt/interrupt.c

@@ -114 +114 @@
         /* Account CPU usage if it woke up from sleep */
         if (CPU && CPU->idle) {
-                irq_spinlock_lock(&CPU->lock, false);
                 uint64_t now = get_cycle();
                 atomic_time_increment(&CPU->idle_cycles, now - CPU->last_cycle);
                 CPU->last_cycle = now;
                 CPU->idle = false;
-                irq_spinlock_unlock(&CPU->lock, false);
         }