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Code Issues Releases Wiki Activity

about APP: adjust copyright info (#76)

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* 修正文档错误

* buffix: 在释放kthread struct之前，先判断是否为kthread

* 修改about应用中的版权声明
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2022-11-04 15:05:33 +08:00
committed by GitHub
parent ac13e53a60
commit fd8ba5749d
3 changed files with 19 additions and 13 deletions
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10
kernel/process/process.c
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@ -136,10 +136,8 @@ void __switch_to(struct process_control_block *prev, struct process_control_bloc
// initial_tss[0].ist2, initial_tss[0].ist3, initial_tss[0].ist4, initial_tss[0].ist5,
// initial_tss[0].ist6, initial_tss[0].ist7);
__asm__ __volatile__("movq %%fs, %0 \n\t"
: "=a"(prev->thread->fs));
__asm__ __volatile__("movq %%gs, %0 \n\t"
: "=a"(prev->thread->gs));
__asm__ __volatile__("movq %%fs, %0 \n\t" : "=a"(prev->thread->fs));
__asm__ __volatile__("movq %%gs, %0 \n\t" : "=a"(prev->thread->gs));
__asm__ __volatile__("movq %0, %%fs \n\t" ::"a"(next->thread->fs));
__asm__ __volatile__("movq %0, %%gs \n\t" ::"a"(next->thread->gs));
@ -1176,8 +1174,8 @@ int process_release_pcb(struct process_control_block *pcb)
{
// 释放子进程的页表
process_exit_mm(pcb);
// 释放子进程的pcb
free_kthread_struct(pcb);
if ((pcb->flags & PF_KTHREAD)) // 释放内核线程的worker private结构体
free_kthread_struct(pcb);
kfree(pcb);
return 0;
}