From 94985134b7b46848267ed6b734320db01c974e72 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Fri, 16 Mar 2007 13:38:06 -0800
Subject: [PATCH] swsusp: disable nonboot CPUs before entering platform suspend

Prevent the WARN_ON() in arch/x86_64/kernel/acpi/sleep.c:init_low_mapping()
from triggering by disabling nonboot CPUs before we finally enter the
platform suspend.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/power/disk.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'kernel/power/disk.c')

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index a200c5f..873cdf8 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -58,6 +58,7 @@ static inline int platform_prepare(void)
 
 static void power_down(suspend_disk_method_t mode)
 {
+	disable_nonboot_cpus();
 	switch(mode) {
 	case PM_DISK_PLATFORM:
 		if (pm_ops && pm_ops->enter) {
-- 
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