From: Paul E. McKenney Date: Tue, 21 Apr 2015 16:22:14 +0000 (-0700) Subject: rcu: Make RCU able to tolerate undefined CONFIG_RCU_KTHREAD_PRIO X-Git-Tag: omap-for-v4.3/legacy-v2-signed~212^2^2^5~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26730f55c2842b4ee06a5307d58265db7dd26065;p=pandora-kernel.git rcu: Make RCU able to tolerate undefined CONFIG_RCU_KTHREAD_PRIO This commit updates the initialization of the kthread_prio boot parameter so that RCU will build even when CONFIG_RCU_KTHREAD_PRIO is undefined. The kthread_prio boot parameter is set to CONFIG_RCU_KTHREAD_PRIO if that is defined, otherwise to 1 if CONFIG_RCU_BOOST is defined and to zero otherwise. This commit then makes CONFIG_RCU_KTHREAD_PRIO depend on CONFIG_RCU_EXPERT, so that Kconfig users won't be asked about CONFIG_RCU_KTHREAD_PRIO unless they want to be. Reported-by: Linus Torvalds Reported-by: Ingo Molnar Signed-off-by: Paul E. McKenney Reviewed-by: Pranith Kumar --- Reading git-diff-tree failed