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x86, MCE: Kill CPU_POST_DEAD 

In conjunction with cleaning up CPU hotplug, we want to get rid of
CPU_POST_DEAD. Kill this instance here and rediscover CMCI banks at the
end of CPU_DEAD.

Link: http://lkml.kernel.org/r/http://lkml.kernel.org/r/1400750624-19238-1-git-send-email-bp@alien8.de
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2014-05-22 16:40:54 +02:00
parent a497c3ba1d
commit 38356c1fbd
1 changed files with 4 additions and 5 deletions
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9
arch/x86/kernel/cpu/mcheck/mce.c
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@ -2385,6 +2385,10 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
threshold_cpu_callback(action, cpu);
mce_device_remove(cpu);
mce_intel_hcpu_update(cpu);
/* intentionally ignoring frozen here */
if (!(action & CPU_TASKS_FROZEN))
cmci_rediscover();
break;
case CPU_DOWN_PREPARE:
smp_call_function_single(cpu, mce_disable_cpu, &action, 1);
@ -2396,11 +2400,6 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
break;
}
if (action == CPU_POST_DEAD) {
/* intentionally ignoring frozen here */
cmci_rediscover();
}
return NOTIFY_OK;
}