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rcu: Eliminate BUG_ON() for kernel/rcu/tree.c
authorPaul E. McKenney <paulmck@linux.ibm.com>
Mon, 22 Oct 2018 15:04:03 +0000 (08:04 -0700)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Fri, 9 Nov 2018 05:41:57 +0000 (21:41 -0800)
commit08543bda42ef06c5ee4cd74501c894aa7cc13ea8
tree41249a4a05ffa2faf9200e57a607601a84c188ectree | snapshot
parent042d4c70a203998697b34eaad1a99f6f09d09e4dcommit | diff
rcu: Eliminate BUG_ON() for kernel/rcu/tree.c

The tree.c file has a number of calls to BUG_ON(), which panics the
kernel, which is not a good strategy for devices (like embedded) that
don't have a way to capture console output.  This commit therefore
converts these BUG_ON() calls to WARN_ON_ONCE() and WARN_ONCE().

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
kernel/rcu/tree.c diff | blob | history
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