On Wed, 15 Aug 2007 19:49:04 -0700 "Paul E. McKenney" <[EMAIL PROTECTED]> wrote:
> Repost of http://lkml.org/lkml/2007/8/10/472 made available by request. > > The locking used by get_random_bytes() can conflict with the > preempt_disable() and synchronize_sched() form of RCU. This patch changes > rcutorture's RNG to gather entropy from the new cpu_clock() interface > (relying on interrupts, preemption, daemons, and rcutorture's reader > thread's rock-bottom scheduling priority to provide useful entropy), > and also adds and EXPORT_SYMBOL_GPL() to make that interface available > to GPLed kernel modules such as rcutorture. > > Passes several hours of rcutorture. Please explain what "conflict with" means so that I can work out if this is a needed-in-2.6.23 change, thanks. - 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/
