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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: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Andrew Morton 2005-11-07 00:59:13 -08:00 committed by Linus Torvalds
parent 0ad775dbba
commit 78512ece14
1 changed files with 3 additions and 0 deletions
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3
drivers/serial/8250.c
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@ -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
*/