Messages in this thread | | | Date | Thu, 28 Jul 2005 21:16:56 -0700 | From | George Anzinger <> | Subject | Re: [PATCH] NMI watch dog notify patch |
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Keith Owens wrote: > On Thu, 28 Jul 2005 13:31:58 -0700, > George Anzinger <george@mvista.com> wrote: > >>I have been doing some work on kgdb to pull a few of it "fingers" out of >>various places in the kernel. This is the final location where we have >>a kgdb intercept not covered by a notify. > > > I like the idea, but the hook should be in die_nmi(), not in the > watchdog, using the reason that is already passed into die_nmi. > die_nmi() is also called for a real NMI. > I had though that too, but it does not allow recovery (i.e. lets reset the watchdog and try again).
Hmm.. just looked at traps.c. Seems die_nmi is NOT called from the nmi trap, only from the watchdog. Also, there is a notify in the path to the other nmi stuff.
-- George Anzinger george@mvista.com HRT (High-res-timers): http://sourceforge.net/projects/high-res-timers/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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