On Fri, Jul 25, 2014 at 05:26:08PM +0530, Kaushal Kumar wrote: > synchronize_rcu calls fail hot-unplug latency tests since > wait_rcu_gp can have very high latency, at times up to few > hundred of millisecs. So bloody what? > These calls were earlier removed for the same reason by the > commit 9ee349ad6d326df3633d43f54202427295999c47, but got added > back as part of commit c4575f83b9fe87bb57b737bc8a667f746a20320a. fatal: bad object c4575f83b9fe87bb57b737bc8a667f746a20320 > Moreover there should be no need for sync_sched() in _cpu_down > as stop_machine() provides that barrier implicitly. We should not rely on that, but also you've removed synchronize_rcu() and this is not at all provided by stop_machine(). So NAK. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
