Prevent RCU callbacks from executing during early boot

Hello, Ingo,

This pull request fixes a rare but real boot-time hang. It defers RCU callback execution until the scheduler has initialized, permitting RCU callbacks that use late-initialized kernel features to be used in RCU callbacks that are registered during early boot. This fixes the bugzilla at: https://bugzilla.kernel.org/show_bug.cgi?id=38732

This commit is available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git rcu/urgent

Thanx, Paul

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Paul E. McKenney (1):
rcu: Prevent RCU callbacks from executing during early boot

 kernel/rcutree.c        |    2 +-
 kernel/rcutree_plugin.h |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)