| Message ID | 20180914050854.6214-4-npiggin@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 6977f95e63b9b3fb4a5973481a800dd9f48a1338 |
| Headers | show |
| Series | -mno-sched-epilog removal | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
| snowpatch_ozlabs/checkpatch | success | Test checkpatch on branch next |
| snowpatch_ozlabs/build-ppc64le | success | Test build-ppc64le on branch next |
| snowpatch_ozlabs/build-ppc64be | success | Test build-ppc64be on branch next |
| snowpatch_ozlabs/build-ppc64e | success | Test build-ppc64e on branch next |
| snowpatch_ozlabs/build-ppc32 | success | Test build-ppc32 on branch next |
On Fri, 14 Sep 2018 at 14:39, Nicholas Piggin <npiggin@gmail.com> wrote: > > Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Joel Stanley <joel@jms.id.au> I gave this a spin with clang trunk on the powernv kernel and it did the trick. Thanks! mpe, this series supersedes [v2,5/5] powerpc: Remove -mno-sched-epilog (https://patchwork.ozlabs.org/patch/969615/). Cheers, Joel
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index be47cf8a0798..07d9dce7eda6 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -165,8 +165,12 @@ CC_FLAGS_FTRACE := -pg ifdef CONFIG_MPROFILE_KERNEL CC_FLAGS_FTRACE += -mprofile-kernel endif -# Work around a gcc code-gen bug with -fno-omit-frame-pointer. -CC_FLAGS_FTRACE += -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) +CC_FLAGS_FTRACE += $(call cc-ifversion, -lt, 0409, -mno-sched-epilog) +endif endif CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/Makefile | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)