linux-kernel - [PATCH -rt 1/4] x86_64: send NMI after nmi_show

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Message-ID: <4816140F.50005@ct.jp.nec.com>
Date:	Mon, 28 Apr 2008 11:14:39 -0700
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: [PATCH -rt 1/4] x86_64: send NMI after nmi_show_regs on

From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>

The flags nmi_show_regs should be set before send NMI.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
---
 arch/x86/kernel/nmi_64.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c
index d187ab9..69cc737 100644
--- a/arch/x86/kernel/nmi_64.c
+++ b/arch/x86/kernel/nmi_64.c
@@ -327,11 +327,11 @@ void nmi_show_all_regs(void)
 	if (system_state == SYSTEM_BOOTING)
 		return;
 
-	smp_send_nmi_allbutself();
-
 	for_each_online_cpu(i)
 		nmi_show_regs[i] = 1;
 
+	smp_send_nmi_allbutself();
+
 	for_each_online_cpu(i) {
 		while (nmi_show_regs[i] == 1)
 			barrier();
-- 
1.5.4.1
--
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