* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > Hello, Ingo, > > Paul Gortmaker found some problems with no-CBs-CPU support in 3.8 > mainline, and kindly supplied fixes. The first problem is soft-lockup > complaints that can occur on systems running with no-CBs CPUs that have > long periods of time where RCU is completely idle, which can happen on > some embedded systems. The second problem is a documentation error > for the "rcutree.rcu_nocb_poll" boot parameter. In this case, Paul Gortmaker > (rightly) noted that the need for "rcutree." was inconsistent with the > "rcu_nocbs=<cpumap>" boot parameter. The fix therefore to make the boot > parameter named "rcu_nocb_poll". > > These problems only affect kernels built with the new CONFIG_RCU_NOCB_CPU > kernel parameter, but still should be fixed. > > These fixes are available in the git repository at: > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/urgent > > Thanx, Paul > > ------------------> > Paul Gortmaker (2): > rcu: Prevent soft-lockup complaints about no-CBs CPUs > rcu: Make rcu_nocb_poll an early_param instead of module_param > > Documentation/kernel-parameters.txt | 2 +- > kernel/rcutree_plugin.h | 13 ++++++++++--- > 2 files changed, 11 insertions(+), 4 deletions(-) Pulled, thanks a lot Paul! Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
