Re: [PATCH tip/core/rcu 08/12] rcu: Disable TASKS_RCU for usermode Linux

[Richard Weinberger]

Am 15.06.2016 um 23:46 schrieb Paul E. McKenney:
> 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@xxxxxxxxxxxxxxxxxx>
> Cc: Richard Weinberger <richard@xxxxxx>
> Cc: Jeff Dike <jdike@xxxxxxxxxxx>
> ---
>  init/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/init/Kconfig b/init/Kconfig
> index f755a602d4a1..a068265fbcaf 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -517,6 +517,7 @@ config SRCU
>  config TASKS_RCU
>  	bool
>  	default n
> +	depends on !UML
>  	select SRCU
>  	help
>  	  This option enables a task-based RCU implementation that uses

Acked-by: Richard Weinberger <richard@xxxxxx>

Thanks,
//richard