Re: [PATCH] trace: fix SKIP_STACK_VALIDATION=1 build

From: Masahiro Yamada
Date: Fri Jun 22 2018 - 13:43:18 EST


2018-06-09 6:47 GMT+09:00 Greg Thelen <gthelen@xxxxxxxxxx>:
> Non gcc-5 builds with CONFIG_STACK_VALIDATION=y and
> SKIP_STACK_VALIDATION=1 fail.
> Example output:
> /bin/sh: init/.tmp_main.o: Permission denied
>
> commit 96f60dfa5819 ("trace: Use -mcount-record for dynamic ftrace"),
> added a mismatched endif. This causes cmd_objtool to get mistakenly
> set.
>
> Relocate endif to balance the newly added -record-mcount check.
>
> Fixes: 96f60dfa5819 ("trace: Use -mcount-record for dynamic ftrace")
> Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
> ---

Applied to linux-kbuild/fixes. Thanks!



> scripts/Makefile.build | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index 34d9e9ce97c2..e7889f486ca1 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -239,6 +239,7 @@ cmd_record_mcount = \
> "$(CC_FLAGS_FTRACE)" ]; then \
> $(sub_cmd_record_mcount) \
> fi;
> +endif # -record-mcount
> endif # CONFIG_FTRACE_MCOUNT_RECORD
>
> ifdef CONFIG_STACK_VALIDATION
> @@ -263,7 +264,6 @@ ifneq ($(RETPOLINE_CFLAGS),)
> objtool_args += --retpoline
> endif
> endif
> -endif
>
>
> ifdef CONFIG_MODVERSIONS
> --
> 2.18.0.rc1.242.g61856ae69a-goog
>
> --
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--
Best Regards
Masahiro Yamada