linux-kernel - Re: [RFC][PATCH] Makefile: Fix checkstack.pl arm64 wrong or unknown architecture

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Message-ID: <CAK7LNATXzLzttF_gLA4wdfE1ue+bLPhvDZVsTKbB5K3nrN3jng@mail.gmail.com>
Date:   Sat, 1 Jun 2019 01:02:37 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     "George G. Davis" <george_davis@...tor.com>
Cc:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH] Makefile: Fix checkstack.pl arm64 wrong or unknown architecture

On Sat, Jun 1, 2019 at 12:27 AM George G. Davis <george_davis@...tor.com> wrote:
>
> The following error occurs for the `make ARCH=arm64 checkstack` case:
>
> aarch64-linux-gnu-objdump -d vmlinux $(find . -name '*.ko') | \
> perl ./scripts/checkstack.pl arm64
> wrong or unknown architecture "arm64"
>
> Fix the above error by setting `CHECKSTACK_ARCH := aarch64` for the
> ARCH=arm64 case.
>
> Signed-off-by: George G. Davis <george_davis@...tor.com>


Why don't you fix scripts/checkstack.pl ?



> ---
>  Makefile | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index 11358153d8f2..3e615e8553c0 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1695,7 +1695,11 @@ PHONY += checkstack kernelrelease kernelversion image_name
>  ifeq ($(ARCH), um)
>  CHECKSTACK_ARCH := $(SUBARCH)
>  else
> -CHECKSTACK_ARCH := $(ARCH)
> +       ifeq ($(ARCH), arm64)
> +               CHECKSTACK_ARCH := aarch64
> +       else
> +               CHECKSTACK_ARCH := $(ARCH)
> +       endif
>  endif
>  checkstack:
>         $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
> --
> 2.7.4
>


-- 
Best Regards
Masahiro Yamada