lkml.org 
[lkml]   [2014]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH v1 32/70] kernel, smp: _FROZEN Cleanup
Date
Remove XXX_FROZEN state from kernel/smp.

Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
---
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


\
 
 \ /
  Last update: 2014-07-23 06:43    [W:0.528 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site