linux-kernel - Re: [GIT PULL] x86/build changes for v3.4

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Date:	Thu, 22 Mar 2012 10:58:06 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Matt Fleming <matt@...sole-pimps.org>
Subject: Re: [GIT PULL] x86/build changes for v3.4

On 03/22/2012 09:57 AM, Linus Torvalds wrote:
> Grr.
> 
> This causes
> 
>   In file included from tools/include/tools/le_byteshift.h:4:0,
>                    from arch/x86/boot/tools/build.c:35:
>   include/linux/types.h:13:2: warning: #warning "Attempt to use kernel
> headers from user space, see http://kernelnewbies.org/KernelHeaders"
> 
> for my build. How come nobody noticed?
> 
>                  Linus
> 

Mystery explained: the above #warning only occurs when compiling without
O=, and all my test scripts use O=.  I will work with Matt Fleming to
come up with a fix ASAP.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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