linux-kernel - Re: build breakage -- paravirt_{alloc,free}

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Message-ID: <alpine.LNX.1.10.0901121211000.5377@jikos.suse.cz>
Date:	Mon, 12 Jan 2009 12:12:53 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	linux-kernel@...r.kernel.org,
	Jaswinder Singh Rajput <jaswinderrajput@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: build breakage -- paravirt_{alloc,free}_ldt

On Mon, 12 Jan 2009, Ingo Molnar wrote:

> > with Linus' tree (ae04d14015) doesn't build for me with
> > 
> > arch/x86/kernel/ldt.c: In function 'alloc_ldt':
> > arch/x86/kernel/ldt.c:55: error: implicit declaration of function 'paravirt_alloc_ldt'
> > arch/x86/kernel/ldt.c:79: error: implicit declaration of function 'paravirt_free_ldt'
> > 
> > Config on http://www.jikos.cz/jikos/junk/.config
> 
> hm, it builds fine here with your config. Did .28 build fine for you? The 
> only change to this file since .28 has been Jaswinder's "423a540: x86: 
> ldt.c fix style problems".

Puzzled. On one system, I still get this build error even after make 
mrpoper (I use this machine to build kernel routinely, so it certainly 
didn't happen a few days ago). 

But I just tried on different system, and there is builds flawlessly. It's 
gcc 4.3.1 vs 4.3.2. I will check a little bit more.

-- 
Jiri Kosina
SUSE Labs
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