From: Borislav Petkov Date: Thu, 22 May 2014 14:40:54 +0000 (+0200) Subject: x86, MCE: Kill CPU_POST_DEAD X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=38356c1fbd8cd0f44a32ede2c97f0eb639d06613;p=linux-beck.git 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 --- diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index bb92f38153b2..8fecdd34f2d2 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -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; }