> The implementation of reassert_nmi is as follow:
quoted text
>
> [...]
>
> I can not understand the code and the logic. Can anyone explain it in
> more detail?

It's there since 2.3.20 (!), see
http://www.tm.kernel.org/pub/linux/kernel/v2.3/patch-html/patch-2.3.20/linux_arch_i386...
Googling around I found this thread:
http://www.gossamer-threads.com/lists/linux/kernel/140216
HTH!
Cheers

P
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