linux-kernel - [Suggestion] PowerPC: kernel: cross compiling issue with allmodconfig

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Date:	Fri, 15 Mar 2013 10:50:41 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	"paulus@...ba.org" <paulus@...ba.org>, mikey@...ling.org,
	matt@...abs.org, imunsie@....ibm.com
CC:	linuxppc-dev@...ts.ozlabs.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [Suggestion] PowerPC: kernel: cross compiling issue with allmodconfig

Hello Maintainers:

  do next-* tree support powerpc POWER7 with allmodconfig ?

  I met an issue, can we bear it (or I need additional trying) ?


Compiling:
  make V=1 EXTRA_CFLAGS=-W ARCH=powerpc allmodconfig
    set cpu type POWER7 in menuconfig.
    set cross-compiler in menuconfig.
      under Fedora 16 x86_64 laptop
      /usr/bin/powerpc64-linux-gnu-gcc -v
        gcc version 4.7.1 20120606 (Red Hat 4.7.1-0.1.20120606) (GCC)

Issue:
  error:
    /android/public-kernel/linux-next/arch/powerpc/kernel/exceptions-64s.S: Assembler messages:
    /android/public-kernel/linux-next/arch/powerpc/kernel/exceptions-64s.S:1304: Error: attempt to move .org backwards

  command:
    powerpc64-linux-gnu-gcc -m64 -Wp,-MD,arch/powerpc/kernel/.head_64.o.d  -nostdinc -isystem /usr/lib/gcc/powerpc64-linux-gnu/4.7.1/include -I/android/public-kernel/linux-next/arch/powerpc/include -Iarch/powerpc/include/generated  -I/android/public-kernel/linux-next/include -Iinclude -I/android/public-kernel/linux-next/arch/powerpc/include/uapi -Iarch/powerpc/include/generated/uapi -I/android/public-kernel/linux-next/include/uapi -Iinclude/generated/uapi -include /android/public-kernel/linux-next/include/linux/kconfig.h -D__KERNEL__  -I/android/public-kernel/linux-next/arch/powerpc -Iarch/powerpc -D__ASSEMBLY__  -I/android/public-kernel/linux-next/arch/powerpc -Iarch/powerpc -Wa,-maltivec -gdwarf-2   -c -o arch/powerpc/kernel/head_64.o /android/public-kernel/linux-next/arch/powerpc/kernel/head_64.S

  (head_64.S includes exceptions-64.S)


  thanks.

-- 
Chen Gang

Asianux Corporation
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