Havard Skinnemoen <hskinnem...@google.com> writes: > machine_check_poll() was modified to use spin_lock_irqsave independently > per bank when a valid MCE is found to prevent duplicated MCE reports by > the CMCI and polling methods. In the common case no MCE will be found, > so the lock is not acquired until a valid MCE is found. The status is > reread after the lock is acquired in case the MCE was already handled by > a different thread. A unique spinlock is used per bank number, so > contention should be mostly limited to non-shared banks.
This doesn't make sense. Banks are either owned by CMCI or by poll, not by both. If you have true duplicates the bug must be somewhere else. -Andi -- a...@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
