linux-kernel - [PATCH 4/9] traps: x86_64: make io_check

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Message-Id: <1223064040-23170-5-git-send-email-heukelum@fastmail.fm>
Date:	Fri,  3 Oct 2008 22:00:35 +0200
From:	Alexander van Heukelum <heukelum@...tmail.fm>
To:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Cc:	Alexander van Heukelum <heukelum@...tmail.fm>
Subject: [PATCH 4/9] traps: x86_64: make io_check_error equal to the one on i386

Make io_check_error equal to the one on i386.

Signed-off-by: Alexander van Heukelum <heukelum@...tmail.fm>
---
 arch/x86/kernel/traps_64.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index a7aef2d..6bce291 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -253,13 +253,19 @@ mem_parity_error(unsigned char reason, struct pt_regs *regs)
 static notrace __kprobes void
 io_check_error(unsigned char reason, struct pt_regs *regs)
 {
-	printk("NMI: IOCK error (debug interrupt?)\n");
+	unsigned long i;
+
+	printk(KERN_EMERG "NMI: IOCK error (debug interrupt?)\n");
 	show_registers(regs);
 
 	/* Re-enable the IOCK line, wait for a few seconds */
 	reason = (reason & 0xf) | 8;
 	outb(reason, 0x61);
-	mdelay(2000);
+
+	i = 2000;
+	while (--i)
+		udelay(1000);
+
 	reason &= ~8;
 	outb(reason, 0x61);
 }
-- 
1.5.4.3

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