Commits
Thomas Gleixner committed 115ef3b7e61
watchdog/hardlockup/perf: Cure UP damage for_each_cpu() unintuitively reports CPU0 as set independend of the actual cpumask content on UP kernels. That leads to a NULL pointer dereference when the cleanup function is invoked and there is no event to clean up. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>