On Sun, May 18, 2014 at 11:05:04PM +0800, Chen Yucong wrote:a > mces_seen is a Per-CPU variable which should only be accessed by > Per-CPU as possible. So the clear operation of mces_seen should also > be lcoal to Per-CPU rather than monarch CPU.
No, you need to do the cleaning in mce_reign because the monarch cpu has to run last after all other cpus have scanned their mce banks. > Meanwhile, there is also a potential risk that mces_seen will not > be be cleared if a timeout occors in mce_end for monarch CPU. As a > reuslt, the stale value of mces_seen will reappear on the next mce. If that happens, we have a bigger problem. Is that a real issue you're trying to address? -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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/