Re: [PATCH] rcu: unify boost and kthread priorities

[Paul Bolle <pebolle@tiscali.nl>]

Hi Paul,

On Tue, 2014-09-16 at 13:41 -0700, Paul E. McKenney wrote:
> rcu: unify boost and kthread priorities
> 
> Rename CONFIG_RCU_BOOST_PRIO to CONFIG_RCU_KTHREAD_PRIO and use this
> value for both the per-CPU kthreads (rcuc/N) and the rcu boosting
> threads (rcub/n).
> 
> Also, create the module_parameter rcutree.kthread_prio to be used on
> the kernel command line at boot to set a new value (rcutree.kthread_prio=N).
> 
> Signed-off-by: Clark Williams <clark.williams@gmail.com>
> [ paulmck: Ported to rcu/dev. ]
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

This landed in today's linux-next (ie, next-20140917) as commit
04a96e05bda6 ("rcu: unify boost and kthread priorities").

> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
>[...]
> diff --git a/init/Kconfig b/init/Kconfig
>[...]
> diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
>[...]

There's a reference to CONFIG_RCU_BOOST_PRIO in
tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt. It needs
updating too, doesn't it?


Paul Bolle