Re: [PATCH v8 2/5] arm64: replace -pg with CC_FLAGS_FTRACE in efi Makefiles

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On Fri, Feb 08, 2019 at 04:10:11PM +0100, Torsten Duwe wrote:
>   In preparation for arm64 supporting ftrace built on other compiler
>   options, let's have makefiles remove the $(CC_FLAGS_FTRACE)
>   flags, whatever these may be, rather than assuming '-pg'.
>   While at it, fix arm32 as well.
> 
>   There should be no functional change as a result of this patch.
> 
> Signed-off-by: Torsten Duwe <duwe@xxxxxxx>

With the indentation removed from the commit text:

Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx>

Mark.

> 
> ---
>  drivers/firmware/efi/libstub/Makefile |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> --- a/drivers/firmware/efi/libstub/Makefile
> +++ b/drivers/firmware/efi/libstub/Makefile
> @@ -16,9 +16,9 @@ cflags-$(CONFIG_X86)		+= -m$(BITS) -D__K
>  
>  # arm64 uses the full KBUILD_CFLAGS so it's necessary to explicitly
>  # disable the stackleak plugin
> -cflags-$(CONFIG_ARM64)		:= $(subst -pg,,$(KBUILD_CFLAGS)) -fpie \
> -				   $(DISABLE_STACKLEAK_PLUGIN)
> -cflags-$(CONFIG_ARM)		:= $(subst -pg,,$(KBUILD_CFLAGS)) \
> +cflags-$(CONFIG_ARM64)		:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
> +				   -fpie $(DISABLE_STACKLEAK_PLUGIN)
> +cflags-$(CONFIG_ARM)		:= $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
>  				   -fno-builtin -fpic \
>  				   $(call cc-option,-mno-single-pic-base)
>  



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