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Message-ID: <AANLkTinSidYTVEBQeP2pmXsa5prh0B6vVYPj63G_Jo4f@mail.gmail.com>
Date:	Mon, 30 Aug 2010 12:51:53 +0200
From:	Paolo Cancedda <paolo.cancedda@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Huang Ying <ying.huang@...el.com>,
	Paolo Cancedda <paolo.cancedda@...il.com>
Subject: Re: What reassert_nmi() in default_do_nmi() is for?

> The implementation of reassert_nmi is as follow:
>
> [...]
>
> 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_kernel_traps.c.html
Googling around I found this thread:
http://www.gossamer-threads.com/lists/linux/kernel/140216
HTH!
Cheers

P
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