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Fix CPU load balancer bugs, scheduling points support for remote CPUs
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This commit is contained in:
Kamil Kowalczyk
2026-02-05 23:44:32 +01:00
parent 5283787a80
commit 5fe9d0a158
19 changed files with 129 additions and 79 deletions
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28
kernel/syscall/syscall.c
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@@ -16,9 +16,10 @@
#include <syscall/syscall.h>
#define DEFINE_SYSCALL(name) \
uintptr_t name (struct proc* UNUSED proc, void* UNUSED regs, uintptr_t UNUSED a1, \
uintptr_t UNUSED a2, uintptr_t UNUSED a3, uintptr_t UNUSED a4, \
uintptr_t UNUSED a5, uintptr_t UNUSED a6)
uintptr_t name (struct proc* UNUSED proc, void* UNUSED regs, bool* UNUSED reschedule, \
struct cpu** UNUSED reschedule_cpu, uintptr_t UNUSED a1, uintptr_t UNUSED a2, \
uintptr_t UNUSED a3, uintptr_t UNUSED a4, uintptr_t UNUSED a5, \
uintptr_t UNUSED a6)
#define SYSRESULT(x) ((uintptr_t)(x))
@@ -44,7 +45,9 @@ static void* sys_get_user_buffer (struct proc* proc, uintptr_t uvaddr, size_t si
/* int quit (void) */
DEFINE_SYSCALL (sys_quit) {
proc_kill (proc);
if (proc_kill (proc, reschedule_cpu) == PROC_NEED_RESCHEDULE)
*reschedule = true;
return SYSRESULT (ST_OK);
}
@@ -92,7 +95,8 @@ DEFINE_SYSCALL (sys_clone) {
int pid = new->pid;
proc_register (new, NULL);
if (proc_register (new, reschedule_cpu) == PROC_NEED_RESCHEDULE)
*reschedule = true;
return SYSRESULT (pid);
}
@@ -102,7 +106,7 @@ DEFINE_SYSCALL (sys_argument_ptr) { return proc->uvaddr_argument; }
/* int sched (void) */
DEFINE_SYSCALL (sys_sched) {
proc_sched ();
*reschedule = true;
return SYSRESULT (ST_OK);
}
@@ -127,8 +131,8 @@ DEFINE_SYSCALL (sys_mutex_delete) {
if (mutex_resource == NULL)
return SYSRESULT (-ST_NOT_FOUND);
if (proc_delete_resource (mutex_resource) == PROC_NEED_RESCHEDULE)
proc_sched ();
if (proc_delete_resource (mutex_resource, reschedule_cpu) == PROC_NEED_RESCHEDULE)
*reschedule = true;
return SYSRESULT (ST_OK);
}
@@ -142,8 +146,8 @@ DEFINE_SYSCALL (sys_mutex_lock) {
if (mutex_resource == NULL)
return SYSRESULT (-ST_NOT_FOUND);
if (proc_mutex_lock (proc, &mutex_resource->u.mutex) == PROC_NEED_RESCHEDULE)
proc_sched ();
if (proc_mutex_lock (proc, &mutex_resource->u.mutex, reschedule_cpu) == PROC_NEED_RESCHEDULE)
*reschedule = true;
return SYSRESULT (ST_OK);
}
@@ -157,8 +161,8 @@ DEFINE_SYSCALL (sys_mutex_unlock) {
if (mutex_resource == NULL)
return SYSRESULT (-ST_NOT_FOUND);
if (proc_mutex_unlock (proc, &mutex_resource->u.mutex) == PROC_NEED_RESCHEDULE)
proc_sched ();
if (proc_mutex_unlock (proc, &mutex_resource->u.mutex, reschedule_cpu) == PROC_NEED_RESCHEDULE)
*reschedule = true;
return SYSRESULT (ST_OK);
}