Re: [PATCH] NMI watch dog notify patch

From: Keith Owens
Date: Fri Jul 29 2005 - 22:26:47 EST


On Fri, 29 Jul 2005 13:55:23 -0700,
George Anzinger <george@xxxxxxxxxx> wrote:
> This patch adds a notify to the die_nmi notify that the system
> is about to be taken down. If the notify is handled with a
> NOTIFY_STOP return, the system is given a new lease on life.
>
> void die_nmi (struct pt_regs *regs, const char *msg)
> {
>+ if (notify_die(DIE_NMIWATCHDOG, "nmi_watchdog", regs,
>+ 0, 0, SIGINT) == NOTIFY_STOP)
>+ return;
>+
> spin_lock(&nmi_print_lock);
> /*
> * We are in trouble anyway, lets at least try

Minor nitpick. die_nmi() already gets a message passed in to
distinguish between different types of nmi. Pass that message to
notify_die(), on the off chance that the notified routines can use that
difference.

Also your patch adds a trailing whitespace on the call to notify_die().

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