Changeset 06f81c4 in mainline for kernel/generic/src/cpu/cpu.c

Timestamp:

2023-04-16T13:00:39Z (2 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

d8581611, f3dbe27

Parents:

fbaf6ac

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-03-28 16:21:30)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-04-16 13:00:39)

Message:

Check cpu_t::fpu_owner directly instead of thread_t::fpu_context_engaged

This results in net reduction in locking.

File:

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

kernel/generic/src/cpu/cpu.c

@@ -84 +84 @@
                         cpus[i].id = i;
 
+#ifdef CONFIG_FPU_LAZY
                         irq_spinlock_initialize(&cpus[i].fpu_lock, "cpus[].fpu_lock");
+#endif
                         irq_spinlock_initialize(&cpus[i].tlb_lock, "cpus[].tlb_lock");