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11.4 xv6线程切换这一节有个问答有疑问 #28

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wisecsj opened this issue Sep 10, 2021 · 0 comments

wisecsj commented Sep 10, 2021 •

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跟翻译没有关系哈。这里Robert说可以保存在trapframe中，我感觉不对吧？trapframe在用户地址空间，swtch.S又并没有像trampoline那样kernel，user同映射。如果保存在trapframe，需要切换page table，但是swtch.S的执行就崩掉了

（PS: 最后感谢有这么一个项目，加速了我学习的进度）

wisecsj changed the title ~~11.4 虚~~ 11.4 xv6线程切换这一节有个问答有疑问

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