linux-kernel - Re: [RFC PATCH 0/2] init: make sure syscall arguments are marked _

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Message-Id: <20120420160039.74c49a0c.akpm@linux-foundation.org>
Date:	Fri, 20 Apr 2012 16:00:39 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	H Hartley Sweeten <hartleys@...ionengravers.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 0/2] init: make sure syscall arguments are marked
 __user where needed

On Mon, 16 Apr 2012 17:33:23 -0700
H Hartley Sweeten <hartleys@...ionengravers.com> wrote:

> When using syscall routines in the kernel, some of the arguments
> should be user pointers but are missing the __user markup. This
> produces a number of sparse warnings of the format:    
>   
> warning: incorrect type in argument 1 (different address spaces)
>    expected char [noderef] <asn:1>*dev_name
>    got char *name 
> 
> Wrap the syscall routines in the private do_mounts.h header so that
> the appropriate __user markups are added for the init mount code.

This makes rather a mess of do_mounts.c for pretty marginal benefit.

Can we just make "make C=1" skip that file or something?
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