From: acevest <zhaoyanbai@126.com>
Date: Wed, 3 Nov 2021 08:27:10 +0000 (+0800)
Subject: 删除do_fork里设置priority的测试逻辑;删除do_fork里的load_cr3逻辑
X-Git-Url: http://zhaoyanbai.com/repos/README?a=commitdiff_plain;h=ef92987e1a715081fc5b4f75be2072c4d6bd7e08;p=kernel.git

删除do_fork里设置priority的测试逻辑;删除do_fork里的load_cr3逻辑
---

diff --git a/kernel/fork.c b/kernel/fork.c
index f5766ab..08fea39 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -30,9 +30,7 @@ int do_fork(pt_regs_t *regs, unsigned long flags) {
     }
 
     memcpy(tsk, current, sizeof(task_union));
-    tsk->priority = 61;
 
-    //{
     tsk->cr3 = (unsigned long)alloc_one_page(0);
     assert(tsk->cr3 != 0);
 
@@ -80,9 +78,6 @@ int do_fork(pt_regs_t *regs, unsigned long flags) {
             page->count++;
         }
     }
-    //}
-
-    load_cr3(current);
 
     tsk->pid = get_next_pid();
     tsk->ppid = current->pid;
@@ -98,7 +93,6 @@ int do_fork(pt_regs_t *regs, unsigned long flags) {
     tsk->esp0 = TASK_SIZE + (unsigned long)tsk;
     tsk->esp = (unsigned long)child_regs;
     tsk->eip = (unsigned long)ret_from_fork_user;
-
     if (flags & FORK_KRNL) {
         tsk->eip = (unsigned long)ret_from_fork_krnl;
     }
@@ -109,7 +103,6 @@ int do_fork(pt_regs_t *regs, unsigned long flags) {
     tsk->weight = TASK_INIT_WEIGHT;
 
     INIT_LIST_HEAD(&tsk->list);
-
     unsigned long iflags;
     irq_save(iflags);
     list_add(&tsk->list, &all_tasks);
@@ -117,7 +110,5 @@ int do_fork(pt_regs_t *regs, unsigned long flags) {
 
     tsk->state = TASK_RUNNING;
 
-    printk("%s:%d\n", __func__, __LINE__);
-
     return (int)tsk->pid;
 }