Changeset dd218ea in mainline

Timestamp:

2023-04-15T16:30:15Z (18 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

b2ec5cf

Parents:

c680333

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-03-28 16:12:16)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-04-15 16:30:15)

Message:

Remove unnecessary thread_t::wired

There's already thread_t::nomigrate doing the same thing

Location:

kernel/generic

Files:

• include/proc/thread.h (modified) (1 diff)
• src/proc/scheduler.c (modified) (1 diff)
• src/proc/thread.c (modified) (3 diffs)

kernel/generic/include/proc/thread.h

@@ -149 +149 @@
         /** Containing task. */
         task_t *task;
-        /** Thread is wired to CPU. */
-        bool wired;
         /** Thread was migrated to another CPU and has not run yet. */
         bool stolen;

kernel/generic/src/proc/scheduler.c

@@ -589 +589 @@
                                 irq_spinlock_lock(&thread->lock, false);
 
-                                if ((!thread->wired) && (!thread->stolen) &&
+                                if ((!thread->stolen) &&
                                     (!thread->nomigrate) &&
                                     (!thread->fpu_context_engaged)) {

kernel/generic/src/proc/thread.c

@@ -231 +231 @@
         irq_spinlock_lock(&thread->lock, true);
         thread->cpu = cpu;
-        thread->wired = true;
+        thread->nomigrate++;
         irq_spinlock_unlock(&thread->lock, true);
 }
@@ -260 +260 @@
 
         cpu_t *cpu;
-        if (thread->wired || thread->nomigrate || thread->fpu_context_engaged) {
+        if (thread->nomigrate || thread->fpu_context_engaged) {
                 /* Cannot ready to another CPU */
                 assert(thread->cpu != NULL);
@@ -348 +348 @@
         thread->priority = -1;          /* Start in rq[0] */
         thread->cpu = NULL;
-        thread->wired = false;
         thread->stolen = false;
         thread->uspace =