[PATCH v4 03/10] watchdog/hpwdt: Update nmi_panic message.

From: Jerry Hoemann
Date: Sun Feb 25 2018 - 16:35:41 EST


Include the nmistat in the nmi_panic message to give support
an indication why the NMI was called (e.g. a timeout or generate
nmi button.)

Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx>
---
drivers/watchdog/hpwdt.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 8ea8e7466dd9..2a6f3be22c98 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -113,19 +113,23 @@ static int hpwdt_my_nmi(void)
*/
static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
{
- if ((ulReason == NMI_UNKNOWN) && !hpwdt_my_nmi())
+ unsigned int mynmi = hpwdt_my_nmi();
+ static char panic_msg[] =
+ "00: An NMI occurred. Depending on your system the reason "
+ "for the NMI is logged in any one of the following resources:\n"
+ "1. Integrated Management Log (IML)\n"
+ "2. OA Syslog\n"
+ "3. OA Forward Progress Log\n"
+ "4. iLO Event Log";
+
+ if ((ulReason == NMI_UNKNOWN) && mynmi)
return NMI_DONE;

if (allow_kdump)
hpwdt_stop();

- nmi_panic(regs, "An NMI occurred. Depending on your system the reason "
- "for the NMI is logged in any one of the following "
- "resources:\n"
- "1. Integrated Management Log (IML)\n"
- "2. OA Syslog\n"
- "3. OA Forward Progress Log\n"
- "4. iLO Event Log");
+ hex_byte_pack(panic_msg, mynmi);
+ nmi_panic(regs, panic_msg);

return NMI_HANDLED;
}
--
2.13.6