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    Subject[PATCH tip/core/rcu 06/47] rcu: Move RCU_TRACE to lib/Kconfig.debug
    Date
    From: "Paul E. McKenney" <paul.mckenney@linaro.org>

    The RCU_TRACE kernel parameter has always been intended for debugging,
    not for production use. Formalize this by moving RCU_TRACE from
    init/Kconfig to lib/Kconfig.debug.

    Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
    Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
    ---
    init/Kconfig | 9 ---------
    lib/Kconfig.debug | 10 ++++++++++
    2 files changed, 10 insertions(+), 9 deletions(-)

    diff --git a/init/Kconfig b/init/Kconfig
    index 3f42cd6..72f33fa 100644
    --- a/init/Kconfig
    +++ b/init/Kconfig
    @@ -438,15 +438,6 @@ config PREEMPT_RCU
    This option enables preemptible-RCU code that is common between
    the TREE_PREEMPT_RCU and TINY_PREEMPT_RCU implementations.

    -config RCU_TRACE
    - bool "Enable tracing for RCU"
    - help
    - This option provides tracing in RCU which presents stats
    - in debugfs for debugging RCU implementation.
    -
    - Say Y here if you want to enable RCU tracing
    - Say N if you are unsure.
    -
    config RCU_FANOUT
    int "Tree-based hierarchical RCU fanout value"
    range 2 64 if 64BIT
    diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
    index 8745ac7..3cc419d 100644
    --- a/lib/Kconfig.debug
    +++ b/lib/Kconfig.debug
    @@ -927,6 +927,16 @@ config RCU_CPU_STALL_VERBOSE

    Say Y if you want to enable such checks.

    +config RCU_TRACE
    + bool "Enable tracing for RCU"
    + depends on DEBUG_KERNEL
    + help
    + This option provides tracing in RCU which presents stats
    + in debugfs for debugging RCU implementation.
    +
    + Say Y here if you want to enable RCU tracing
    + Say N if you are unsure.
    +
    config KPROBES_SANITY_TEST
    bool "Kprobes sanity tests"
    depends on DEBUG_KERNEL
    --
    1.7.8


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