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watchdog: hpwdt: Claim NMI from iLO

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The hwpdt driver is overloaded for handling both the iLO
watchdog and the explicit "Generate NMI to System" virutal
button.  Hence NMI handler needs to claim NMI resulting
from the virutal button.

Claim if iLO generated accommodating firmware that might
set wrong bit.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Jerry Hoemann 2018-08-08 13:13:24 -06:00 • committed by Wim Van Sebroeck
parent 4d9186d01e
commit 093d43858d
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/hpwdt.c
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@ -162,7 +162,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
if (ilo5 && ulReason == NMI_UNKNOWN && !mynmi)
return NMI_DONE;
if (ilo5 && !pretimeout)
if (ilo5 && !pretimeout && !mynmi)
return NMI_DONE;
hpwdt_stop();