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Date: Thu, 22 Mar 2012 10:58:06 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Linus Torvalds <torvalds@linux-foundation.org>
CC: Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org,
        Thomas Gleixner <tglx@linutronix.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Matt Fleming <matt@console-pimps.org>
Subject: Re: [GIT PULL] x86/build changes for v3.4
References: <20120319163015.GA9988@gmail.com> <CA+55aFzTFa0uxnf7f=kXyJRNE9FGTUtvyfcej1UeMja1-AcZ-A@mail.gmail.com>
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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.