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SubjectRe: [PATCH 6/6] gcov: architecture specific compile flag adjustments
Andrew Morton wrote:
> On Mon, 02 Jun 2008 15:34:47 +0200
> Peter Oberparleiter <peter.oberparleiter@de.ibm.com> wrote:
>
>> Exclude code from profiling which is not linked to the main kernel or
>> which is running in a context not compatible with the assumptions made
>> by gcc's profiling code.
>
> powerpc allmodconfig fails with
>
> Error: External symbol '__gcov_init' referenced from prom_init.c
> Error: External symbol '__gcov_merge_add' referenced from prom_init.c

--
From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>

Fix for gcov patch fallout:

powerpc allmodconfig fails with

Error: External symbol '__gcov_init' referenced from prom_init.c
Error: External symbol '__gcov_merge_add' referenced from prom_init.c

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
---
arch/powerpc/kernel/Makefile | 1 +
1 files changed, 1 insertion(+)
Index: linux-2.6.26-rc5-mm2/arch/powerpc/kernel/Makefile
===================================================================
--- linux-2.6.26-rc5-mm2.orig/arch/powerpc/kernel/Makefile
+++ linux-2.6.26-rc5-mm2/arch/powerpc/kernel/Makefile
@@ -11,6 +11,7 @@ ifeq ($(CONFIG_PPC32),y)
CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
endif
+GCOV_prom_init.o := n

ifdef CONFIG_FTRACE
# Do not trace early boot code

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