Suparna Bhattacharya <[EMAIL PROTECTED]> wrote: > > Any sense of how costly it is to use spin_lock_irq's vs spin_lock > (across different architectures) ? Isn't rwsem used very widely ?
It's only on the slow path, and we've already done a bunch of atomic ops and a schedule()/wakeup() anyway. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

