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powerpc: Disable RELOCATABLE for COMPILE_TEST with PPC64 

powerpc:allmodconfig has been failing for some time with the following
error.

arch/powerpc/kernel/exceptions-64s.S: Assembler messages:
arch/powerpc/kernel/exceptions-64s.S:1312: Error: attempt to move .org backwards
make[1]: *** [arch/powerpc/kernel/head_64.o] Error 1

A number of attempts to fix the problem by moving around code have been
unsuccessful and resulted in failed builds for some configurations and
the discovery of toolchain bugs.

Fix the problem by disabling RELOCATABLE for COMPILE_TEST builds instead.
While this is less than perfect, it avoids substantial code changes
which would otherwise be necessary just to make COMPILE_TEST builds
happy and might have undesired side effects.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Guenter Roeck 2014-06-30 11:45:30 -07:00 committed by Benjamin Herrenschmidt
parent b50a6c584b
commit fb43e8477e
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/Kconfig
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@ -414,7 +414,7 @@ config KEXEC
config CRASH_DUMP
bool "Build a kdump crash kernel"
depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
select RELOCATABLE if PPC64 || 44x || FSL_BOOKE
select RELOCATABLE if (PPC64 && !COMPILE_TEST) || 44x || FSL_BOOKE
help
Build a kernel suitable for use as a kdump capture kernel.
The same kernel binary can be used as production kernel and dump
@ -1017,6 +1017,7 @@ endmenu
if PPC64
config RELOCATABLE
bool "Build a relocatable kernel"
depends on !COMPILE_TEST
select NONSTATIC_KERNEL
help
This builds a kernel image that is capable of running anywhere