Re: 3.10.5: rcu_sched detected stalls on CPUs/tasks

From: Jochen Striepe
Date: Sat Sep 14 2013 - 07:30:20 EST


Hello again,

On Mon, Sep 09, 2013 at 03:27:51PM -0700, Paul E. McKenney wrote:
> Several people helped track down another source of spurious stall
> warnings on large systems, please see below for the patch.
[...]
> ------------------------------------------------------------------------
>
> rcu: Reject memory-order-induced stall-warning false positives

I run this patch on top of 3.10.11 vanilla since Wednesday, so far
without any further stalls, on light to heavy loads. Works smooth
as pie.

Tested-by: Jochen Striepe <jochen@xxxxxxxxxxxxxxx>


Have a nice weekend and a big thank you,
Jochen.
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