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    SubjectRe: [PATCH -tip] locking: Move CONFIG_LOCK_EVENT_COUNTS into Kernel hacking section
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    On 3/29/21 10:06 PM, Davidlohr Bueso wrote:
    > It's a lot more intuitive to have it in the locking section of the kernel
    > hacking part rather than under "General architecture-dependent options".
    >
    > Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
    > ---
    > arch/Kconfig | 9 ---------
    > lib/Kconfig.debug | 9 +++++++++
    > 2 files changed, 9 insertions(+), 9 deletions(-)
    >
    > diff --git a/arch/Kconfig b/arch/Kconfig
    > index ecfd3520b676..d6f9aeaaf9f2 100644
    > --- a/arch/Kconfig
    > +++ b/arch/Kconfig
    > @@ -1113,15 +1113,6 @@ config HAVE_ARCH_PREL32_RELOCATIONS
    > config ARCH_USE_MEMREMAP_PROT
    > bool
    >
    > -config LOCK_EVENT_COUNTS
    > - bool "Locking event counts collection"
    > - depends on DEBUG_FS
    > - help
    > - Enable light-weight counting of various locking related events
    > - in the system with minimal performance impact. This reduces
    > - the chance of application behavior change because of timing
    > - differences. The counts are reported via debugfs.
    > -
    > # Select if the architecture has support for applying RELR relocations.
    > config ARCH_HAS_RELR
    > bool
    > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
    > index 2779c29d9981..76639ff5998c 100644
    > --- a/lib/Kconfig.debug
    > +++ b/lib/Kconfig.debug
    > @@ -1401,6 +1401,15 @@ config DEBUG_LOCKING_API_SELFTESTS
    > The following locking APIs are covered: spinlocks, rwlocks,
    > mutexes and rwsems.
    >
    > +config LOCK_EVENT_COUNTS
    > + bool "Locking event counts collection"
    > + depends on DEBUG_FS
    > + help
    > + Enable light-weight counting of various locking related events
    > + in the system with minimal performance impact. This reduces
    > + the chance of application behavior change because of timing
    > + differences. The counts are reported via debugfs.
    > +
    > config LOCK_TORTURE_TEST
    > tristate "torture tests for locking"
    > depends on DEBUG_KERNEL

    It looks good to me.

    Acked-by: Waiman Long <longman@redhat.com>

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