On Tue, Oct 28, 2014 at 5:51 PM, Paul E. McKenney <paul...@linux.vnet.ibm.com> wrote: > Hello! > > This series updates RCU's handling of per-CPU variables, mostly > moving from "cpu" function arguments to various "this_"-style accessors > for per-CPU variables: > > 1. Drop the rdtp argument from RCU's dyntick-idle and sysidle > functions, substituting this_cpu_ptr(), courtesy of Christoph > Lameter. > > 2. Use DEFINE_PER_CPU_SHARED_ALIGNED for rcu_data structures in > order to avoid false sharing with other per-CPU variables. > > 3-9. Remove "cpu" arguments from a number of RCU functions that are > only ever invoked on that CPU, and use appropriate "this_"-style > accesssors for the per-CPU variables. >
Reviewd-by: Pranith Kumar <bobby.pr...@gmail.com> > Thanx, Paul > > ------------------------------------------------------------------------ > > b/include/linux/rcupdate.h | 2 +- > b/include/linux/rcutiny.h | 2 +- > b/include/linux/rcutree.h | 4 ++-- > b/kernel/cpu.c | 19 +++++++++++++------ > b/kernel/rcu/tiny.c | 2 +- > b/kernel/rcu/tree.c | 25 +++++++++++++------------ > b/kernel/rcu/tree.h | 4 ++-- > b/kernel/rcu/tree_plugin.h | 11 +++++++---- > b/kernel/sched/core.c | 2 +- > b/kernel/softirq.c | 2 +- > b/kernel/time/tick-sched.c | 2 +- > b/kernel/time/timer.c | 3 +-- > include/linux/rcupdate.h | 2 +- > include/linux/rcutree.h | 2 +- > kernel/rcu/tree.c | 30 +++++++++++++++--------------- > kernel/rcu/tree.h | 8 ++++---- > kernel/rcu/tree_plugin.h | 42 +++++++++++++++++++++--------------------- > 17 files changed, 86 insertions(+), 76 deletions(-) > -- Pranith -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
