diff mbox series

powerpc/64s: Always disable branch profiling for prom_init.o

Message ID 20191106051129.7626-1-mpe@ellerman.id.au (mailing list archive)
State Accepted
Commit 6266a4dadb1d0976490fdf5af4f7941e36f64e80
Headers show
Series powerpc/64s: Always disable branch profiling for prom_init.o | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (b9ba205b97bda75388e4014914ae0bdc0022464c)
snowpatch_ozlabs/build-ppc64le success Build succeeded
snowpatch_ozlabs/build-ppc64be success Build succeeded
snowpatch_ozlabs/build-ppc64e success Build succeeded
snowpatch_ozlabs/build-pmac32 success Build succeeded
snowpatch_ozlabs/checkpatch warning total: 0 errors, 1 warnings, 0 checks, 14 lines checked

Commit Message

Michael Ellerman Nov. 6, 2019, 5:11 a.m. UTC
Otherwise the build fails because prom_init is calling symbols it's
not allowed to, eg:

  Error: External symbol 'ftrace_likely_update' referenced from prom_init.c
  make[3]: *** [arch/powerpc/kernel/Makefile:197: arch/powerpc/kernel/prom_init_check] Error 1

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/kernel/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Michael Ellerman Nov. 14, 2019, 9:08 a.m. UTC | #1
On Wed, 2019-11-06 at 05:11:29 UTC, Michael Ellerman wrote:
> Otherwise the build fails because prom_init is calling symbols it's
> not allowed to, eg:
> 
>   Error: External symbol 'ftrace_likely_update' referenced from prom_init.c
>   make[3]: *** [arch/powerpc/kernel/Makefile:197: arch/powerpc/kernel/prom_init_check] Error 1
> 
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

Applied to powerpc next.

https://git.kernel.org/powerpc/c/6266a4dadb1d0976490fdf5af4f7941e36f64e80

cheers
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 4fdd8a3e775b..717b52b65d62 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -22,6 +22,7 @@  CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
 CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
 
 CFLAGS_prom_init.o += $(call cc-option, -fno-stack-protector)
+CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
 
 ifdef CONFIG_FUNCTION_TRACER
 # Do not trace early boot code
@@ -39,7 +40,6 @@  KASAN_SANITIZE_btext.o := n
 ifdef CONFIG_KASAN
 CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
 CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
-CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
 CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
 endif