vfs_aio.c is still not safe

[Julian Elischer]

David Xu wrote:

> Dag-Erling Smørgrav wrote:
>
>> 3) Rewrite the aio code to use kthreads attached to each process, so
>>   problems with one process's aio does not propagate to other
>>   processes.
>>
>>  
>>
> This is not a complete solution, it shifts the problem to another side,
> allow user to kill process.

A kernel thread cannot be "killed" by the user. it can only
agree to kill itself.

>
>> DES
>>  
>>
>
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