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Commit d1b946b9 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Thomas Gleixner
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x86: nmi_32.c - add "panic" option



Allow to pass "panic" option in 32bit mode

Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Cc: hpa@zytor.com
Cc: mingo@redhat.com
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c6425b9f
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+10 −1
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ static cpumask_t backtrace_mask = CPU_MASK_NONE;
 *  0: the lapic NMI watchdog is disabled, but can be enabled
 */
atomic_t nmi_active = ATOMIC_INIT(0);		/* oprofile uses this */
static int panic_on_timeout;

unsigned int nmi_watchdog = NMI_DEFAULT;
static unsigned int nmi_hz = HZ;
@@ -140,6 +141,14 @@ static int __init setup_nmi_watchdog(char *str)
{
	int nmi;

	if (!strncmp(str, "panic", 5)) {
		panic_on_timeout = 1;
		str = strchr(str, ',');
		if (!str)
			return 1;
		++str;
	}

	get_option(&str, &nmi);

	if ((nmi >= NMI_INVALID) || (nmi < NMI_NONE))
@@ -374,7 +383,7 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
			 * die_nmi will return ONLY if NOTIFY_STOP happens..
			 */
			die_nmi("BUG: NMI Watchdog detected LOCKUP",
				regs, 0);
				regs, panic_on_timeout);
	} else {
		__get_cpu_var(last_irq_sum) = sum;
		local_set(&__get_cpu_var(alert_counter), 0);