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watchdog: hpwdt: Update nmi_panic message.

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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>
This commit is contained in:
Jerry Hoemann 2018-02-25 20:22:21 -07:00 committed by Wim Van Sebroeck
parent 9a46fc4ec9
commit a042229a18
1 changed files with 12 additions and 8 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

20
drivers/watchdog/hpwdt.c
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@ -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;
}