Re: [OS-BUILD PATCH] [redhat] New configs in kernel/rcu

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On 8/5/20 1:24 PM, GitLab Bridge on behalf of jeremycline wrote:
> From: Fedora Kernel Team <kernel-team@xxxxxxxxxxxxxxxxx>
> 
> Hi,
> 
> As part of the ongoing rebase effort, the following configuration
> options need to be reviewed.
> 
> As a reminder, the ARK configuration flow involves moving unreviewed
> configuration options from the pending directory to the ark directory.
> In the diff below, options are removed from the pending directory and
> added to the ark hierarchy. The final options that need to be ACKed
> are the files that are being added to the ark hierarchy.
> 
> If the value for a file that is added should be changed, please reply
> with a better option.
> 
>  CONFIG_RCU_REF_SCALE_TEST:
> 
>  This option provides a kernel module that runs performance tests
>  useful comparing RCU with various read-side synchronization mechanisms.
>  The kernel module may be built after the fact on the running kernel to be
>  tested, if desired.
> 
>  Say Y here if you want these performance tests built into the kernel.
>  Say M if you want to build it as a module instead.
>  Say N if you are unsure.
> 
>  Symbol: RCU_REF_SCALE_TEST [=n]
>  Type  : tristate
>  Defined at kernel/rcu/Kconfig.debug:64
>    Prompt: Scalability tests for read-side synchronization (RCU and others)
>    Depends on: DEBUG_KERNEL [=y]
>    Location:
>      -> Kernel hacking
>        -> RCU Debugging
>  Selects: TORTURE_TEST [=n] && SRCU [=y] && TASKS_RCU [=n] && TASKS_RUDE_RCU [=y] && TASKS_TRACE_RCU [=n]
> 
> ---
> 
> Cc: Waiman Long <longman@xxxxxxxxxx>
> Signed-off-by: Fedora Kernel Team <kernel-team@xxxxxxxxxxxxxxxxx>
> ---
>  .../common/generic/CONFIG_RCU_REF_SCALE_TEST  |  1 +
>  .../generic/CONFIG_RCU_REF_SCALE_TEST         | 24 -------------------
>  2 files changed, 1 insertion(+), 24 deletions(-)
>  create mode 100644 redhat/configs/common/generic/CONFIG_RCU_REF_SCALE_TEST
>  delete mode 100644 redhat/configs/pending-common/generic/CONFIG_RCU_REF_SCALE_TEST
> 
> diff --git a/redhat/configs/common/generic/CONFIG_RCU_REF_SCALE_TEST b/redhat/configs/common/generic/CONFIG_RCU_REF_SCALE_TEST
> new file mode 100644
> index 000000000000..50d7d874be7a
> --- /dev/null
> +++ b/redhat/configs/common/generic/CONFIG_RCU_REF_SCALE_TEST
> @@ -0,0 +1 @@
> +# CONFIG_RCU_REF_SCALE_TEST is not set
> diff --git a/redhat/configs/pending-common/generic/CONFIG_RCU_REF_SCALE_TEST b/redhat/configs/pending-common/generic/CONFIG_RCU_REF_SCALE_TEST
> deleted file mode 100644
> index f418e9fe4f5e..000000000000
> --- a/redhat/configs/pending-common/generic/CONFIG_RCU_REF_SCALE_TEST
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -# CONFIG_RCU_REF_SCALE_TEST:
> -# 
> -# This option provides a kernel module that runs performance tests
> -# useful comparing RCU with various read-side synchronization mechanisms.
> -# The kernel module may be built after the fact on the running kernel to be
> -# tested, if desired.
> -# 
> -# Say Y here if you want these performance tests built into the kernel.
> -# Say M if you want to build it as a module instead.
> -# Say N if you are unsure.
> -# 
> -# Symbol: RCU_REF_SCALE_TEST [=n]
> -# Type  : tristate
> -# Defined at kernel/rcu/Kconfig.debug:64
> -#   Prompt: Scalability tests for read-side synchronization (RCU and others)
> -#   Depends on: DEBUG_KERNEL [=y]
> -#   Location:
> -#     -> Kernel hacking
> -#       -> RCU Debugging
> -# Selects: TORTURE_TEST [=n] && SRCU [=y] && TASKS_RCU [=n] && TASKS_RUDE_RCU [=y] && TASKS_TRACE_RCU [=n]
> -# 
> -# 
> -# 
> -# CONFIG_RCU_REF_SCALE_TEST is not set
> 

This is for testing and should remain off.

Acked-by: Prarit Bhargava <prarit@xxxxxxxxxx>

P.
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