rcu: Panic if RCU tree can not accommodate all CPUs

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Currently a condition when RCU tree is unable to accommodate
the configured number of CPUs is not permitted and causes
a fall back to compile-time values. However, the code has no
means to exceed the RCU tree capacity neither at compile-time
nor in run-time. Therefore, if the condition is met in run-
time then it indicates a serios problem elsewhere and should
be handled with a panic.

Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Alexander Gordeev 2015-06-03 08:18:23 +02:00 • committed by Paul E. McKenney

parent 319362c90f

commit 75cf15a4c0

1 changed files with 17 additions and 12 deletions

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kernel/rcu/tree.c

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