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authorJerry Hoemann <jerry.hoemann@hpe.com>2018-02-26 06:22:21 +0300
committerWim Van Sebroeck <wim@linux-watchdog.org>2018-03-03 19:04:17 +0300
commita042229a18acb0422dca08cf92cf940695b5fcb7 (patch)
tree41c3a2326d93f8e523ba94e65f0c04dc9b593065
parent9a46fc4ec98701b4e87eac57f34594b9aed50511 (diff)
downloadlinux-a042229a18acb0422dca08cf92cf940695b5fcb7.tar.xz
watchdog: hpwdt: Update nmi_panic message.
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@hpe.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
-rw-r--r--drivers/watchdog/hpwdt.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 1d20bc6d2c44..44c3038cc531 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;
}