> Hi, > Bitfields are likely to be implemented using read-modify-write semantics. > Modifications of either b_jlist or b_jmodified must be done under lock > since they share same uint. I guess this lock is missing somewhere. Hi, I agree with you. b_jlist and b_jmodified share the same unit. I think they are separated. Thanks. ÿ淸º{.nÇ+돴윯돪†+%듚ÿ깁負¥Šwÿº{.nÇ+돴¥Š{깰ìm室㎍썳變}©옽Æ zÚ&j:+v돣?®w?듺2듷솳鈺Ú&¢)傘«a뛴ÿÿ鎬z요z받쀺+껠šŽ듶¢jÿŠw療f