rcu: Panic after fixed number of stalls
authorchao <chao@eero.com>
Mon, 31 Aug 2020 06:41:17 +0000 (23:41 -0700)
committerPaul E. McKenney <paulmck@kernel.org>
Fri, 20 Nov 2020 03:37:16 +0000 (19:37 -0800)
commitdfe564045c653d9e6969ccca57a8a04771d333f7
tree7131af1630ff2c254d7304dc5f835765f486f379
parent29368e09392123800e5e2bf0f3eda91f16972e52
rcu: Panic after fixed number of stalls

Some stalls are transient, so that system fully recovers.  This commit
therefore allows users to configure the number of stalls that must happen
in order to trigger kernel panic.

Signed-off-by: chao <chao@eero.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
include/linux/kernel.h
kernel/rcu/tree_stall.h
kernel/sysctl.c