[RFC PATCH v1 32/70] kernel, smp: _FROZEN Cleanup
From: Chen, Gong
Date: Tue Jul 22 2014 - 22:35:01 EST
Remove XXX_FROZEN state from kernel/smp.
Signed-off-by: Chen, Gong <gong.chen@xxxxxxxxxxxxxxx>
---
kernel/smp.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/kernel/smp.c b/kernel/smp.c
index 80c33f8..808ec06 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -37,9 +37,8 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
long cpu = (long)hcpu;
struct call_function_data *cfd = &per_cpu(cfd_data, cpu);
- switch (action) {
+ switch (action & ~CPU_TASKS_FROZEN) {
case CPU_UP_PREPARE:
- case CPU_UP_PREPARE_FROZEN:
if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
cpu_to_node(cpu)))
return notifier_from_errno(-ENOMEM);
@@ -52,17 +51,12 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
#ifdef CONFIG_HOTPLUG_CPU
case CPU_UP_CANCELED:
- case CPU_UP_CANCELED_FROZEN:
- /* Fall-through to the CPU_DEAD[_FROZEN] case. */
-
case CPU_DEAD:
- case CPU_DEAD_FROZEN:
free_cpumask_var(cfd->cpumask);
free_percpu(cfd->csd);
break;
case CPU_DYING:
- case CPU_DYING_FROZEN:
/*
* The IPIs for the smp-call-function callbacks queued by other
* CPUs might arrive late, either due to hardware latencies or
--
2.0.0.rc2
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