Optimize read_sum_exec_runtime() on 32-bit cpus by taking only p->pi_lock and use above function to protect reads of 64bit sum_exec_runtime on other places on 32 bit architectures.
Stanislaw Gruszka (2): sched/cputime: Use only pi_lock to protect sum_exec_runtime read sched/cputime: Protect other sum_exec_runtime reads on 32 bit cpus fs/proc/base.c | 2 +- include/linux/sched.h | 18 ++++++++++++++++++ kernel/delayacct.c | 2 +- kernel/exit.c | 2 +- kernel/sched/cputime.c | 22 +--------------------- kernel/time/posix-cpu-timers.c | 4 ++-- 6 files changed, 24 insertions(+), 26 deletions(-) -- 1.8.3.1
