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Redesign reschedule points, allow one operation to reschedule many cpus at once
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This commit is contained in:
Kamil Kowalczyk
2026-02-18 23:16:03 +01:00
parent ae0a6024da
commit f103bdd739
39 changed files with 376 additions and 223 deletions
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19
kernel/proc/suspension_q.c
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@@ -2,20 +2,21 @@
#include <libk/std.h>
#include <mm/liballoc.h>
#include <proc/proc.h>
#include <proc/reschedule.h>
#include <proc/resource.h>
#include <proc/suspension_q.h>
#include <sync/spin_lock.h>
#include <sys/smp.h>
#include <sys/spin_lock.h>
bool proc_sq_suspend (struct proc* proc, struct proc_suspension_q* sq, spin_lock_t* resource_lock,
struct cpu** reschedule_cpu) {
void proc_sq_suspend (struct proc* proc, struct proc_suspension_q* sq, spin_lock_t* resource_lock,
struct reschedule_ctx* rctx) {
struct cpu* cpu = proc->cpu;
struct proc_sq_entry* sq_entry = malloc (sizeof (*sq_entry));
if (!sq_entry) {
spin_unlock (resource_lock);
return PROC_NO_RESCHEDULE;
return;
}
sq_entry->proc = proc;
@@ -47,13 +48,11 @@ bool proc_sq_suspend (struct proc* proc, struct proc_suspension_q* sq, spin_lock
spin_unlock (&proc->lock);
spin_unlock (&cpu->lock);
*reschedule_cpu = cpu;
return PROC_NEED_RESCHEDULE;
reschedule_list_append (rctx, cpu);
}
bool proc_sq_resume (struct proc* proc, struct proc_sq_entry* sq_entry,
struct cpu** reschedule_cpu) {
void proc_sq_resume (struct proc* proc, struct proc_sq_entry* sq_entry,
struct reschedule_ctx* rctx) {
struct cpu* cpu = cpu_find_lightest ();
struct proc_suspension_q* sq = sq_entry->sq;
@@ -81,9 +80,7 @@ bool proc_sq_resume (struct proc* proc, struct proc_sq_entry* sq_entry,
free (sq_entry);
*reschedule_cpu = cpu;
return PROC_NEED_RESCHEDULE;
reschedule_list_append (rctx, cpu);
}
void proc_sqs_cleanup (struct proc* proc) {