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Date: Fri, 15 Aug 2008 11:48:27 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
       Peter Zijlstra <peterz@infradead.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       David Miller <davem@davemloft.net>,
       Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
       Gregory Haskins <ghaskins@novell.com>,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       "Luis Claudio R. Goncalves" <lclaudio@uudg.org>,
       Clark Williams <williams@redhat.com>, srostedt@redhat.com,
       Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH 0/3] ftrace: handle kernel code remove
Message-ID: <20080815094827.GA21766@elte.hu>
References: <20080815024716.480118113@goodmis.org> <20080815092844.GD22209@elte.hu> <20080815093851.GB9312@elte.hu>
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* Ingo Molnar <mingo@elte.hu> wrote:

> 
> * Ingo Molnar <mingo@elte.hu> wrote:
> 
> > applied to tip/tracing/ftrace - thanks Steve! I merged it into 
> > tip/master and started testing it.
> 
> hm, massive build failures:
> 
> ld: Relocatable linking with relocations from format elf32-i386 (init/.tmp_gl_calibrate.o) to format elf64-x86-64 (init/.tmp_mx_calibrate.o) i  CC      arch/x86/mm/extable.o
> objcopy: 'init/.tmp_mx_calibrate.o': No such file
> rm: cannot remove `init/.tmp_mx_calibrate.o': No such file or directory
> ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/extable.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_extable.o) is not supported
> mv: cannot stat `arch/x86/mm/.tmp_mx_extable.o': No such file or directory
> ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/fault.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_fault.o) is not supported
> 
> with this config:
> 
>   http://redhat.com/~mingo/misc/config-Fri_Aug_15_11_34_53_CEST_2008.bad

the problem is that i'm building a 32-bit kernel on a 64-bit host, and 
the scripts/recordmcount.pl script does not create the temporary object 
files in the proper (32-bit) output ELF format.

	Ingo