[powerpc:next 54/54] arch/powerpc/kernel/exceptions-64s.S:1204: Error: attempt to move .org backwards

[Fengguang Wu]

Hi Benjamin,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc.git next
head:   61383407677aef05928541a00678591abea2d84c
config: make ARCH=powerpc allmodconfig

All error/warnings:

WARNING: arch/powerpc/mm/built-in.o(.cpuinit.text+0x292): Section mismatch in reference from the function .fake_numa_create_new_node() to the variable .init.data:cmdline
The function __cpuinit .fake_numa_create_new_node() references
a variable __initdata cmdline.
If cmdline is only used by .fake_numa_create_new_node then
annotate cmdline with a matching annotation.
--
arch/powerpc/kernel/kgdb.c: In function 'kgdb_arch_exit':
arch/powerpc/kernel/kgdb.c:492:2: error: '__debugger_breakx_match' undeclared (first use in this function)
arch/powerpc/kernel/kgdb.c:492:2: note: each undeclared identifier is reported only once for each function it appears in
--
arch/powerpc/kernel/exceptions-64s.S: Assembler messages:
arch/powerpc/kernel/exceptions-64s.S:1204: Error: attempt to move .org backwards
--
drivers/tty/synclink_gt.c:160:12: error: conflicting types for 'set_break'
arch/powerpc/include/asm/debug.h:49:5: note: previous declaration of 'set_break' was here
--
drivers/tty/synclinkmp.c:526:12: error: conflicting types for 'set_break'
arch/powerpc/include/asm/debug.h:49:5: note: previous declaration of 'set_break' was here

vim +1204 arch/powerpc/kernel/exceptions-64s.S

61383407 Benjamin Herrenschmidt 2013-01-10  1198  
61383407 Benjamin Herrenschmidt 2013-01-10  1199  #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
61383407 Benjamin Herrenschmidt 2013-01-10  1200  /*
61383407 Benjamin Herrenschmidt 2013-01-10  1201   * Data area reserved for FWNMI option.
61383407 Benjamin Herrenschmidt 2013-01-10  1202   * This address (0x7000) is fixed by the RPA.
61383407 Benjamin Herrenschmidt 2013-01-10  1203   */
61383407 Benjamin Herrenschmidt 2013-01-10 @1204  	.= 0x7000
61383407 Benjamin Herrenschmidt 2013-01-10  1205  	.globl fwnmi_data_area
61383407 Benjamin Herrenschmidt 2013-01-10  1206  fwnmi_data_area:
61383407 Benjamin Herrenschmidt 2013-01-10  1207  

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation