linux-kernel - Re: [PATCH 1/3] MIPS: boot/compressed: Disable abicalls

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Date:   Tue, 14 Dec 2021 11:06:57 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        list@...ndingux.net, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH 1/3] MIPS: boot/compressed: Disable abicalls

On Mon, Dec 13, 2021 at 10:49:12PM +0000, Paul Cercueil wrote:
> Avoid complaints from Clang/LLVM by building the decompress program with
> -mno-abicalls.

What is the message?

> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>  arch/mips/boot/compressed/Makefile | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
> index f27cf31b4140..4c9ecfbb0ef4 100644
> --- a/arch/mips/boot/compressed/Makefile
> +++ b/arch/mips/boot/compressed/Makefile
> @@ -27,10 +27,10 @@ ifdef CONFIG_CPU_LOONGSON64
>  KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2
>  endif
>  
> -KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
> +KBUILD_CFLAGS := $(KBUILD_CFLAGS) -mno-abicalls -D__KERNEL__ -D__DISABLE_EXPORTS \
>  	-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
>  
> -KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
> +KBUILD_AFLAGS := $(KBUILD_AFLAGS) -mno-abicalls -D__ASSEMBLY__ \
>  	-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
>  	-DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
>  
> -- 
> 2.33.0
> 
>