linux-kernel - Re: [PATCH] tiny: reverse logic for DISABLE_DEV

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Date:	Thu, 16 Oct 2014 15:44:30 +0200
From:	Josh Triplett <josh@...htriplett.org>
To:	Aristeu Rozanski <aris@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [PATCH] tiny: reverse logic for DISABLE_DEV_COREDUMP

On Thu, Oct 16, 2014 at 09:36:58AM -0400, Aristeu Rozanski wrote:
> (This time Cc'ing Johannes)

This kind of note shouldn't be in the commit-message portion of the
commit.

> It's desirable for allnconfig and tinyconfig targets to result in the
> least amount of code possible. DISABLE_DEV_COREDUMP exists as a way to
> switch off DEV_COREDUMP regardless if any drivers select
> WANT_DEV_COREDUMP.
> 
> This patch renames the option to ENABLE_DEV_COREDUMP and setting it to
> 'n' (as in allnconfig or tinyconfig) will effectively disable device
> coredump.
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Josh Triplett <josh@...htriplett.org>
> Cc: Johannes Berg <johannes@...solutions.net>
> Reviewed-by: Josh Triplett <josh@...htriplett.org>
> Signed-off-by: Aristeu Rozanski <arozansk@...hat.com>

You should have a "---" line here, followed by a diffstat.  If you're
not using git format-patch to format your patches, you should.

- Josh Triplett

> diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
> index 134f763..99d3072 100644
> --- a/drivers/base/Kconfig
> +++ b/drivers/base/Kconfig
> @@ -171,20 +171,23 @@ config WANT_DEV_COREDUMP
>  	  Drivers should "select" this option if they desire to use the
>  	  device coredump mechanism.
>  
> -config DISABLE_DEV_COREDUMP
> -	bool "Disable device coredump" if EXPERT
> +config ENABLE_DEV_COREDUMP
> +	bool "Enable device coredump" if EXPERT
> +	default y
>  	help
> -	  Disable the device coredump mechanism despite drivers wanting to
> -	  use it; this allows for more sensitive systems or systems that
> -	  don't want to ever access the information to not have the code,
> -	  nor keep any data.
> +	  This option controls if the device coredump mechanism is available or
> +	  not; if disabled, the mechanism will be omitted even if drivers that
> +	  can use it are enabled.
> +	  Say 'N' for more sensitive systems or systems that don't want
> +	  to ever access the information to not have the code, nor keep any
> +	  data.
>  
> -	  If unsure, say N.
> +	  If unsure, say Y.
>  
>  config DEV_COREDUMP
>  	bool
>  	default y if WANT_DEV_COREDUMP
> -	depends on !DISABLE_DEV_COREDUMP
> +	depends on ENABLE_DEV_COREDUMP
>  
>  config DEBUG_DRIVER
>  	bool "Driver Core verbose debug messages"
--
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