diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-09-14 15:08:54 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-13 10:01:03 +0100 |
| commit | f716d5e5fa6b6b498435ae67817122e73a8774ee (patch) | |
| tree | 6ceef0243365f2e5b76f6d1317d411e62e6aa57b /arch/powerpc/Makefile | |
| parent | aa71dcfe9c4210f471d3d3c6153ec34ba2606597 (diff) | |
powerpc: avoid -mno-sched-epilog on GCC 4.9 and newer
commit 6977f95e63b9b3fb4a5973481a800dd9f48a1338 upstream.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
[nc: Adjust context due to lack of f2910f0e6835 and 2a056f58fd33]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 1381693a4a51..7452e50f4d1f 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -236,7 +236,12 @@ endif # Work around a gcc code-gen bug with -fno-omit-frame-pointer. ifeq ($(CONFIG_FUNCTION_TRACER),y) -KBUILD_CFLAGS += -mno-sched-epilog +# Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8 +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199 +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828 +ifneq ($(cc-name),clang) +KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, -mno-sched-epilog) +endif endif cpu-as-$(CONFIG_4xx) += -Wa,-m405 |