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

Timestamp:

2023-04-16T12:22:00Z (14 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/sysinfo/stats.c (modified) (2 diffs)

kernel/generic/src/sysinfo/stats.c

@@ -119 +119 @@
         size_t i;
         for (i = 0; i < config.cpu_count; i++) {
-                irq_spinlock_lock(&cpus[i].lock, true);
-
                 stats_cpus[i].id = cpus[i].id;
                 stats_cpus[i].active = cpus[i].active;
@@ -127 +125 @@
                 stats_cpus[i].busy_cycles = atomic_time_read(&cpus[i].busy_cycles);
                 stats_cpus[i].idle_cycles = atomic_time_read(&cpus[i].idle_cycles);
-
-                irq_spinlock_unlock(&cpus[i].lock, true);
         }