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authorRafael J. Wysocki2007-03-16 13:38:06 -0800
committerLinus Torvalds2007-03-16 19:25:03 -0700
commit94985134b7b46848267ed6b734320db01c974e72 (patch)
tree2ed8e5fd6c94a50b4dfb4c899305af04f2e3094d /kernel/power/disk.c
parent886c5952950ffed0e8ca3eb9efdc2728bfc144d3 (diff)
[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>
Diffstat (limited to 'kernel/power/disk.c')
-rw-r--r--kernel/power/disk.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index a200c5fc42ee..873cdf8ea5a4 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) {