linux-kernel - Re: [PATCH -tip] locking: Move CONFIG_LOCK_EVENT

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Date:   Thu, 12 Aug 2021 12:05:26 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     peterz@...radead.org, mingo@...hat.com
Cc:     longman@...hat.com, will@...nel.org, linux-kernel@...r.kernel.org,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH -tip] locking: Move CONFIG_LOCK_EVENT_COUNTS into Kernel
 hacking section

Ping?

On Mon, 29 Mar 2021, 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@...e.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
>-- 
>2.26.2
>