From a79017660ea4597ec489fab3b5aaf71dd776dfc7 Mon Sep 17 00:00:00 2001 From: Karsten Wiese Date: Tue, 4 Mar 2008 14:59:55 -0800 Subject: [PATCH] time: don't touch an offlined CPU's ts->tick_stopped in tick_cancel_sched_timer() Silences WARN_ONs in rcu_enter_nohz() and rcu_exit_nohz(), which appeared before caused by (repeated) calls to: $ echo 0 > /sys/devices/system/cpu/cpu1/online $ echo 1 > /sys/devices/system/cpu/cpu1/online Signed-off-by: Karsten Wiese Cc: johnstul@us.ibm.com Cc: Rafael Wysocki Cc: Steven Rostedt Cc: Ingo Molnar Acked-by: Paul E. McKenney Signed-off-by: Andrew Morton Signed-off-by: Thomas Gleixner --- Reading git-format-patch failed