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authorJiri Kosina <jkosina@suse.cz>2011-07-11 14:15:48 +0200
committerJiri Kosina <jkosina@suse.cz>2011-07-11 14:15:55 +0200
commitb7e9c223be8ce335e30f2cf6ba588e6a4092275c (patch)
tree2d1e3b75606abc18df7ad65e51ac3f90cd68b38d /arch/arm/kernel/smp.c
parentdrivers/media: static should be at beginning of declaration (diff)
parentMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff)
downloadlinux-b7e9c223be8ce335e30f2cf6ba588e6a4092275c.tar.xz
linux-b7e9c223be8ce335e30f2cf6ba588e6a4092275c.zip
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply pending patches that are based on newer code already present upstream.
Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r--arch/arm/kernel/smp.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 344e52b16c8c..e7f92a4321f3 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -318,9 +318,13 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
smp_store_cpu_info(cpu);
/*
- * OK, now it's safe to let the boot CPU continue
+ * OK, now it's safe to let the boot CPU continue. Wait for
+ * the CPU migration code to notice that the CPU is online
+ * before we continue.
*/
set_cpu_online(cpu, true);
+ while (!cpu_active(cpu))
+ cpu_relax();
/*
* OK, it's off to the idle thread for us