RE: [PATCH 6/6] x86-mce: ensure the MCP timer is not already set in the mce_timer_fn.

From: Luck, Tony
Date: Wed Jul 09 2014 - 17:04:15 EST

+ /* Ensure a CMCI interrupt can't preempt this. */
+ local_irq_save(flags);
if (mce_available(__this_cpu_ptr(&cpu_info))) {

Does this remove the problem that you fixed in part4? If a CMCI can
no longer interrupt a poll ... do we really need the locks you added?

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