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-rw-r--r--arch/arm/kernel/smp.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index aab8ba40ce38..46e1be9e57a8 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -240,6 +240,10 @@ int __cpu_disable(void)
if (ret)
return ret;
+#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
+ remove_cpu_topology(cpu);
+#endif
+
/*
* Take this CPU offline. Once we clear this, we can't return,
* and we must not schedule until we're ready to give up the cpu.
@@ -264,15 +268,13 @@ int __cpu_disable(void)
return 0;
}
-static DECLARE_COMPLETION(cpu_died);
-
/*
* called on the thread which is asking for a CPU to be shutdown -
* waits until shutdown has completed, or it is timed out.
*/
void __cpu_die(unsigned int cpu)
{
- if (!wait_for_completion_timeout(&cpu_died, msecs_to_jiffies(5000))) {
+ if (!cpu_wait_death(cpu, 5)) {
pr_err("CPU%u: cpu didn't die\n", cpu);
return;
}
@@ -319,7 +321,7 @@ void arch_cpu_idle_dead(void)
* this returns, power and/or clocks can be removed at any point
* from this CPU and its cache by platform_cpu_kill().
*/
- complete(&cpu_died);
+ (void)cpu_report_death();
/*
* Ensure that the cache lines associated with that completion are
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