linux-kernel - Re: [PATCH] kcmp: add separate Kconfig symbol for kcmp syscall

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Message-ID: <8985bd54-0392-28c0-936c-fb1c2a0010e9@infradead.org>
Date:   Fri, 10 Jul 2020 08:51:11 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        Cyrill Gorcunov <gorcunov@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kcmp: add separate Kconfig symbol for kcmp syscall

On 7/10/20 12:56 AM, Rasmus Villemoes wrote:
> diff --git a/init/Kconfig b/init/Kconfig
> index 0498af567f70..95e9486d4217 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1158,9 +1158,20 @@ config NET_NS
>  
>  endif # NAMESPACES
>  
> +config KCMP_SYSCALL
> +	bool "kcmp system call"
> +	help
> +	  Enable the kcmp system call, which allows one to determine
> +	  whether to tasks share various kernel resources, for example

	Either s/to/two/ or s/to//
?

> +	  whether they share address space, or if two file descriptors
> +	  refer to the same open file description.
> +
> +	  If unsure, say N.
> +
>  config CHECKPOINT_RESTORE
>  	bool "Checkpoint/restore support"
>  	select PROC_CHILDREN
> +	select KCMP_SYSCALL
>  	default n
>  	help
>  	  Enables additional kernel features in a sake of checkpoint/restore.


-- 
~Randy