Changeset dfa4be62 in mainline for kernel/generic/src/proc/thread.c

Timestamp:

2024-01-21T16:23:19Z (14 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master

Children:

d23712e

Parents:

a3d87b9

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-03-28 17:40:43)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2024-01-21 16:23:19)

Message:

Thread lock is no longer necessary

File:

• kernel/generic/src/proc/thread.c (modified) (5 diffs)

kernel/generic/src/proc/thread.c

@@ -115 +115 @@
         thread_t *thread = (thread_t *) obj;
 
-        irq_spinlock_initialize(&thread->lock, "thread_t_lock");
         link_initialize(&thread->rq_link);
         link_initialize(&thread->wq_link);
@@ -197 +196 @@
 void thread_wire(thread_t *thread, cpu_t *cpu)
 {
-        irq_spinlock_lock(&thread->lock, true);
+        ipl_t ipl = interrupts_disable();
         atomic_set_unordered(&thread->cpu, cpu);
         thread->nomigrate++;
-        irq_spinlock_unlock(&thread->lock, true);
+        interrupts_restore(ipl);
 }
 
@@ -579 +578 @@
 void thread_migration_disable(void)
 {
+        ipl_t ipl = interrupts_disable();
+
         assert(THREAD);
-
         THREAD->nomigrate++;
+
+        interrupts_restore(ipl);
 }
 
@@ -587 +589 @@
 void thread_migration_enable(void)
 {
+        ipl_t ipl = interrupts_disable();
+
         assert(THREAD);
         assert(THREAD->nomigrate > 0);
@@ -592 +596 @@
         if (THREAD->nomigrate > 0)
                 THREAD->nomigrate--;
+
+        interrupts_restore(ipl);
 }