[PATCH -v2 2/7] x86, NMI, Add touch_nmi_watchdog to io_check_error delay

[Huang Ying]

Prevent the long delay in io_check_error make NMI watchdog timeout.

Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
---
 arch/x86/kernel/traps.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -342,9 +342,11 @@ io_check_error(unsigned char reason, str
 	reason = (reason & NMI_REASON_CLEAR_MASK) | NMI_REASON_CLEAR_IOCHK;
 	outb(reason, NMI_REASON_PORT);
 
-	i = 2000;
-	while (--i)
-		udelay(1000);
+	i = 20000;
+	while (--i) {
+		touch_nmi_watchdog();
+		udelay(100);
+	}
 
 	reason &= ~NMI_REASON_CLEAR_IOCHK;
 	outb(reason, NMI_REASON_PORT);
--
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