> On Nov 10, 2023, at 1:28 AM, Tomoaki AOKI <junch...@dec.sakura.ne.jp> wrote:
>
> On Fri, 10 Nov 2023 00:10:13 +0800
> Zhenlei Huang <z...@freebsd.org> wrote:
>
>> Hi,
>>
>> This is *NOT* joking.
>>
>> While working on https://reviews.freebsd.org/D42527 I realized the
>> module kernel also has userrefs, that is to say, userland can request
>> to unload kernel, aka `kldunload kernel`.
>>
>> This is interesting. Well no doubt that the loader can unload kernel.
>> Then after the kernel is loaded and has been initialized (SYSINIT), how
>> should it behave when it get an unload request?
>>
>> I'm proposing https://reviews.freebsd.org/D42530 to do not allow unloading
>> the kernel. It is by intuition.
>>
>> What do you think ?
>>
>>
>> Best regards,
>> Zhenlei
>
> Possibly too paranoid, but the summery on D42530 looks a bit confusing.
> Would better to be
>
> 'The userland or kernel shall not unload the module "kernel".'
>
> or
>
> 'The userland or kernel shall not unload the "kernel" module.'
>
> .
>
> The original SUMMARY could be read as, in meaning, 'The userland or
> kernel shall not unload *.ko.'
>
> *.ko is sometimes called as "kernel module", although it stants for
> "kernel object".
Thanks for point that out. I'll polish before committing it.
>
> --
> Tomoaki AOKI <junch...@dec.sakura.ne.jp>
