Re: [PATCH] Remove a duplicated option of RCU_CPU_STALL_DETECTOR

[Jiri Kosina]

On Tue, 13 Jan 2009, Kaibin Li wrote:

> There is a duplicated option of "Check for stalled CPUs delaying RCU
> grace periods" in Kernel hacking.
> 
> Signed-off-by: Kaibin Li <kaibinlee@xxxxxxxxx>
> ---
>  lib/Kconfig.debug |   13 -------------
>  1 files changed, 0 insertions(+), 13 deletions(-)
> 
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 4c9ae60..e770e85 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -633,19 +633,6 @@ config RCU_TORTURE_TEST_RUNNABLE
>  
>  config RCU_CPU_STALL_DETECTOR
>     bool "Check for stalled CPUs delaying RCU grace periods"
> -   depends on CLASSIC_RCU
> -   default n
> -   help
> -     This option causes RCU to printk information on which
> -     CPUs are delaying the current grace period, but only when
> -     the grace period extends for excessive time periods.
> -
> -     Say Y if you want RCU to perform such checks.
> -
> -     Say N if you are unsure.
> -
> -config RCU_CPU_STALL_DETECTOR
> -   bool "Check for stalled CPUs delaying RCU grace periods"
>     depends on CLASSIC_RCU || TREE_RCU
>     default n
>     help

The RCU_CPU_STALL_DETECTOR indeed is duplicate, but the entries themselves 
are not identical, as they have different dependencies.

Paul -- does Kaibin's patch remove the correct one? If so, I can take it 
through trivial tree.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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