On Mon, Mar 16, 2015 at 11:37:45AM -0700, Paul E. McKenney wrote: > From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> > > RCU ignores offlined CPUs, so they cannot safely run RCU read-side code. > (They -can- use SRCU, but not RCU.) This means that any use of RCU > during or after the call to arch_cpu_idle_dead(). Unfortunately, > commit 2ed53c0d6cc99 added a complete() call, which will contain RCU > read-side critical sections if there is a task waiting to be awakened. Got a little more detail there? -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
