linux-kernel - Re: [PATCH 1/6] base: Valgrind headers and Kconfig

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Message-ID: <20080901154743.GA7584@c2.user-mode-linux.org>
Date:	Mon, 1 Sep 2008 11:47:43 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Steve VanDeBogart <vandebo-lkml@...dBox.Net>,
	linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net, jiayingz@...gle.com,
	dkegel@...gle.com
Subject: Re: [PATCH 1/6] base: Valgrind headers and Kconfig

On Mon, Sep 01, 2008 at 04:22:19PM +0200, Andi Kleen wrote:
> > Kernel code can't get headers from the system, unless you're thinking
> >        #include "/usr/include/valgrind.h"
> > or something similar.
> 
> Some um files at least least include sys/* files which are surely
> user space?  If they can include that why not valgrind.h? 

The userspace side of UML can (and, indeed must) use the system
headers.  Here, we can just #include <valgrind.h>.

However, the kernel side of UML, where the allocator annotations are,
can't use system headers.  The kernel side of things has to be
self-contained within the kernel tree.

	       	      	  	 Jeff

-- 
Work email - jdike at linux dot intel dot com
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