linux-kernel - Re: [PATCH] ubsan: cosmetic fix to Kconfig text

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Date:	Mon, 8 Feb 2016 10:48:17 +0300
From:	Andrey Ryabinin <aryabinin@...tuozzo.com>
To:	Yang Shi <yang.shi@...aro.org>
CC:	<linux-kernel@...r.kernel.org>, <linaro-kernel@...ts.linaro.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] ubsan: cosmetic fix to Kconfig text

On 02/06/2016 03:05 AM, Yang Shi wrote:
> When enabling UBSAN_SANITIZE_ALL, the kernel image size gets increased
> significantly (~3x). So, it sounds better to have some note in Kconfig.
> 
> And, fixed a typo.
> 
> Signed-off-by: Yang Shi <yang.shi@...aro.org>
> ---

Acked-by: Andrey Ryabinin <aryabinin@...tuozzo.com>

>  lib/Kconfig.ubsan | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
> index 49518fb..e07c1ba 100644
> --- a/lib/Kconfig.ubsan
> +++ b/lib/Kconfig.ubsan
> @@ -18,6 +18,8 @@ config UBSAN_SANITIZE_ALL
>  	  This option activates instrumentation for the entire kernel.
>  	  If you don't enable this option, you have to explicitly specify
>  	  UBSAN_SANITIZE := y for the files/directories you want to check for UB.
> +	  Enabling this option will get kernel image size increased
> +	  significantly.
>  
>  config UBSAN_ALIGNMENT
>  	bool "Enable checking of pointers alignment"
> @@ -25,5 +27,5 @@ config UBSAN_ALIGNMENT
>  	default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS
>  	help
>  	  This option enables detection of unaligned memory accesses.
> -	  Enabling this option on architectures that support unalligned
> +	  Enabling this option on architectures that support unaligned
>  	  accesses may produce a lot of false positives.
>