linux-kernel - Re: [uml-devel] User Mode Linux still doesn't build in 2.6.23-final.

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Message-ID: <20071022123901.GM2998@hacking>
Date:	Mon, 22 Oct 2007 20:39:01 +0800
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	WANG Cong <xiyou.wangcong@...il.com>,
	Al Viro <viro@....linux.org.uk>,
	Sam Ravnborg <sam@...nborg.org>, Nix <nix@...eri.org.uk>,
	Jeff Dike <jdike@...toit.com>,
	Paolo Giarrusso <p.giarrusso@...il.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, Rob Landley <rob@...dley.net>
Subject: Re: [uml-devel] User Mode Linux still doesn't build in
	2.6.23-final.

On Mon, Oct 22, 2007 at 02:30:41PM +0200, Ingo Molnar wrote:
>
>* WANG Cong <xiyou.wangcong@...il.com> wrote:
>
>> On Mon, Oct 22, 2007 at 12:36:00PM +0100, Al Viro wrote:
>> >On Mon, Oct 22, 2007 at 03:48:23PM +0800, WANG Cong wrote:
>> >> I just followed what Sam told me, errors are much fewer this time,
>> >> but still exist. Error messages are:
>> >> 
>> >>   CC      arch/um/kernel/syscall.o
>> >>   CC      arch/um/kernel/sysrq.o
>> >> arch/um/kernel/sysrq.c: In function ???show_stack???:
>> >> arch/um/kernel/sysrq.c:63: error: ???UESP??? undeclared (first use in this function)
>> >> arch/um/kernel/sysrq.c:63: error: (Each undeclared identifier is reported only once
>> >> arch/um/kernel/sysrq.c:63: error: for each function it appears in.)
>> >> make[1]: *** [arch/um/kernel/sysrq.o] Error 1
>> >> make: *** [arch/um/kernel] Error 2
>> >> 
>> >> Or I missed something again?
>> >> 
>> >> And I use `make defconfig ARCH=um' to generate .config, my tree
>> >> is 2.6.23-git16 (Al, is this OK?).
>> >
>> >Now apply the patch upthread, it should've fixed that one (and yes, you
>> >are down to the stuff this patch is supposed to fix - and does so here).
>> 
>> Yes, this one is fixed. Thanks for your patch.
>> 
>> But another one comes out. ;(
>> 
>>   CC      kernel/sched.o
>> kernel/sched.c:3902: error: conflicting types for ‘wait_for_completion_interruptible’
>> include/linux/completion.h:46: error: previous declaration of ‘wait_for_completion_interruptible’ was here
>> kernel/sched.c:3908: error: conflicting types for ‘wait_for_completion_interruptible’
>> include/linux/completion.h:46: error: previous declaration of ‘wait_for_completion_interruptible’ was here
>> make[1]: *** [kernel/sched.o] Error 1
>> make: *** [kernel] Error 2
>
>does the patch below ontop of latest -git help?
>

Thanks, Ingo!

I am using 2.6.23-git16 plus Al's previous patch.
After applying your patch, it builds fine.

Regards.


WANG Cong

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