commit 570dd3c7424179b831decb655ea9dd1ecea38adc
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> Wed Jun 15 08:56:53 2016 -0700
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> Wed Jun 15 15:32:01 2016 -0700
tree ca84215275cf4aaf802fbf6ff66e5920bbfc46ad
parent 3a37f7275cda5ad25c1fe9be8f20c76c60d175fa

rcu: Disable TASKS_RCU for usermode Linux

Usermode Linux currently does not implement arch_irqs_disabled_flags(),
which results in a build failure in TASKS_RCU.  Therefore, this commit
disables the TASKS_RCU Kconfig option in usermode Linux builds.  The
usermode Linux maintainers expect to merge arch_irqs_disabled_flags()
into 4.8, at which point this commit may be reverted.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jeff Dike <jdike@addtoit.com>
Acked-by: Richard Weinberger <richard@nod.at>