linux-kernel - [PATCH 1/1] x86_64: fix RIP printout in early_idt

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Message-Id: <1231025229-26352-1-git-send-email-jirislaby@gmail.com>
Date:	Sun,  4 Jan 2009 00:27:09 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	mingo@...hat.com
Cc:	linux-kernel@...r.kernel.org, Jiri Slaby <jirislaby@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: [PATCH 1/1] x86_64: fix RIP printout in early_idt_handler

Since errorcode is popped out, RIP is on the top of the stack.
Use real RIP value instead of wrong CS.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
---
 arch/x86/kernel/head_64.S |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 26cfdc1..0e275d4 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -305,7 +305,7 @@ ENTRY(early_idt_handler)
 	call dump_stack
 #ifdef CONFIG_KALLSYMS	
 	leaq early_idt_ripmsg(%rip),%rdi
-	movq 8(%rsp),%rsi	# get rip again
+	movq 0(%rsp),%rsi	# get rip again
 	call __print_symbol
 #endif
 #endif /* EARLY_PRINTK */
-- 
1.6.0.6

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