linux-kernel - Re: 2.6.24.3 ARCH=um FTBFS c/o undefined reference to `i386_mmap

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Message-ID: <20080311134055.GA6997@c2.user-mode-linux.org>
Date:	Tue, 11 Mar 2008 09:40:55 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Scott Edwards <lkml@...s.daxal.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.24.3 ARCH=um FTBFS c/o undefined reference to
	`i386_mmap_check'

On Mon, Mar 10, 2008 at 11:35:16PM -0500, Scott Edwards wrote:
> I'm attempting to build a user mode linux kernel with some grsec features 
> (no PaX, apparently incompatible)  I'm using 2.6.24.3 and 
> grsecurity-2.1.11-2.6.24.3-200803031942.patch.gz  This is built on a Debian 
> Etch host.  I have compiled linux-2.6.25-rc3-mm1 which also seems to run 
> without complaint. 

> mm/built-in.o: In function `do_mmap_pgoff':
> (.text+0xe35d): undefined reference to `i386_mmap_check'
> mm/built-in.o: In function `do_brk':
> (.text+0xf3be): undefined reference to `i386_mmap_check'
> collect2: ld returned 1 exit status

Looks like there's some arch-specific stuff in one of your patches and
it's not there for UML.

     	       	   Jeff

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