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Patch in this message | | | From | "Chen, Gong" <> | Subject | [RFC PATCH v1 13/70] x86, x2apic_cluster: _FROZEN Cleanup | Date | Tue, 22 Jul 2014 21:58:49 -0400 |
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Remove XXX_FROZEN state from x86/x2apic_cluster.
Signed-off-by: Chen, Gong <gong.chen@linux.intel.com> --- arch/x86/kernel/apic/x2apic_cluster.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index e66766b..bfd2369 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -154,8 +154,11 @@ update_clusterinfo(struct notifier_block *nfb, unsigned long action, void *hcpu) unsigned int cpu; int err = 0; - switch (action) { + switch (action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: + if (action & CPU_TASKS_FROZEN) + break; + if (!zalloc_cpumask_var(&per_cpu(cpus_in_cluster, this_cpu), GFP_KERNEL)) { err = -ENOMEM; @@ -165,9 +168,11 @@ update_clusterinfo(struct notifier_block *nfb, unsigned long action, void *hcpu) err = -ENOMEM; } break; - case CPU_UP_CANCELED: - case CPU_UP_CANCELED_FROZEN: case CPU_DEAD: + /* fall though to next if action == CPU_DEAD */ + if (action & CPU_TASKS_FROZEN) + break; + case CPU_UP_CANCELED: for_each_online_cpu(cpu) { if (x2apic_cluster(this_cpu) != x2apic_cluster(cpu)) continue; -- 2.0.0.rc2
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