modify_ldt_ldt_s vs. user_desc (Re: [uml-devel] Re: [uml-user] UML (unofficial) patches against vanilla 2.6.2)

[Matt Zimmerman <mdz@debian.org>]

On Fri, Feb 13, 2004 at 12:23:29AM -0500, Jeff Dike wrote:

> As for I-01-Debian_workaround.patch, I had the impression that this was
> caused by a Debian bug.  If so, they should fix it, and I shouldn't have
> to put workarounds in UML for it.

I'm not sure whether this is a bug, but if it is, it is not Debian's bug
alone.  glibc in Debian testing and unstable just happens to provide newer
kernel headers, including asm/ldt.h, which has the new name for the struct
(user_desc vs.  modify_ldt_ldt_s).  There is no provision for backward
compatibility in ldt.h, so apparently user programs are on their own in
determining which name to use.

I was working around this in the debs, but then it was #ifdef'd out
anyway (2.4.22-7? 2.4.23-1?), and I stopped worrying about it.

I don't suppose there would be much harm in adding a macro to ldt.h so that
existing software could continue to work, but that change belongs in the
kernel.

-- 
 - mdz


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