| Subject | Re: [PATCH tip/core/rcu 11/15] rcu: Avoid spurious RCU CPU stall warnings | From | Peter Zijlstra <> | Date | Thu, 06 Sep 2012 16:56:54 +0200 |
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On Thu, 2012-08-30 at 11:56 -0700, Paul E. McKenney wrote: > > If a given CPU avoids the idle loop but also avoids starting a new > RCU grace period for a full minute, RCU can issue spurious RCU CPU > stall warnings. This commit fixes this issue by adding a check for > ongoing grace period to avoid these spurious stall warnings.
How would it avoid starting a new period for over a minute? fqs should happen, right? And holding rcu_read_lock() for over a minute surely is a bug.
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