On Tue, Nov 11, 2014 at 12:03:26PM +0800, Xie XiuQi wrote:
> Commit 6bfc09e2327d ("rcu: Provide RCU CPU stall warnings for tiny RCU")
> moved the rcu_cpu_stall_timeout module parameter from rcutree.c to
> rcupdate.c, but failed to update Documentation/RCU/stallwarn.txt. This
> commit therefore repairs this omission.
>
> commit 96224daa16d6 ("documentation: Update sysfs path for rcu_cpu_stall_suppress")
> updated the path for rcu_cpu_stall_suppress, but failed to update for
> rcu_cpu_stall_timeout.
>
> Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx>
Good catch, thank you! Queued for 3.20.
Thanx, Paul
> ---
> Documentation/RCU/stallwarn.txt | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt
> index ef5a2fd..da6a801 100644
> --- a/Documentation/RCU/stallwarn.txt
> +++ b/Documentation/RCU/stallwarn.txt
> @@ -15,7 +15,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT
> 21 seconds.
>
> This configuration parameter may be changed at runtime via the
> - /sys/module/rcutree/parameters/rcu_cpu_stall_timeout, however
> + /sys/module/rcupdate/parameters/rcu_cpu_stall_timeout, however
> this parameter is checked only at the beginning of a cycle.
> So if you are 10 seconds into a 40-second stall, setting this
> sysfs parameter to (say) five will shorten the timeout for the
> --
> 1.7.1
>
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