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Commit 78512ece authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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[PATCH] serial console: touch NMI watchdog 



Large console spews from IRQ or local_irq_disable() sections can cause the NMI
watchdog to go off.

Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0ad775db

drivers/serial/8250.c

+3 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#include <linux/serial_core.h>

#include <linux/serial.h>

#include <linux/serial_8250.h>

#include <linux/nmi.h>



#include <asm/io.h>

#include <asm/irq.h>
@@ -2208,6 +2209,8 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) 
	unsigned int ier;

	int i;



	touch_nmi_watchdog();



	/*

	 *	First save the UER then disable the interrupts

	 */