On Mon, Oct 11, 2010 at 8:54 AM, sumeet gandhare <sumeetgandhare@xxxxxxxxx> wrote: > Hi All, > Could you please let me know why Big Kernel lock is needed in some kernel > code paths? > Thanks > Sumeet I assume you know there has been a enduring movement to eliminate the BKL in favor of more fine grained locks. Thus the answer to your question is: There is no need for the BKL specifically, but there is still legacy code which has not yet been converted to a use a more fine-grained lock approach. Some of the BKL users such as ioctl() will be very difficult to fix. Greg -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ