On 25/07/17 23:13, Shaohua Li wrote: > Interesting is if I disable CONFIG_SMP, there are several bugs exposed, I can't > even boot my machine. Looks nobody tests UP case these days. That's not good :-( Although I doubt there are many single-core machines left these days, gentoo would almost certainly disable it even today if appropriate. Although I can't imagine anyone running gentoo on a single-core now :-) My old Thunderbird K8 based system used to struggle before I retired it a few years back ... Cheers, Wol -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html