linux-kernel - Re: [PATCH 1/2] Split i386 and x86

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Message-Id: <1158152271.9189.129.camel@hades.cambridge.redhat.com>
Date:	Wed, 13 Sep 2006 13:57:50 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Jeff Dike <jdike@...toit.com>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net,
	76306.1226@...puserve.com, ak@....de, jeremy@...source.com,
	rusty@...tcorp.com.au, zach@...are.com
Subject: Re: [PATCH 1/2] Split i386 and x86_64 ptrace.h

On Tue, 2006-09-12 at 11:52 -0400, Jeff Dike wrote:
> The use of SEGMENT_RPL_MASK in the i386 ptrace.h introduced by
> x86-allow-a-kernel-to-not-be-in-ring-0.patch broke the UML build, as
> UML includes the underlying architecture's ptrace.h, but has no easy
> access to the x86 segment definitions.
> 
> Rather than kludging around this, as in the past, this patch splits
> the userspace-usable parts, which are the bits that UML needs, of
> ptrace.h into ptrace-abi.h, which is included back into ptrace.h.
> Thus, there is no net effect on i386.
> 
> As a side-effect, this creates a ptrace header which is close to being
> usable in /usr/include.

Yum. But you didn't add that new header to the Kbuild file so it doesn't
get exported. Please do so.

-- 
dwmw2

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