linux-kernel - Re: [PATCH 03/13] x86/kbuild: Remove ancient 'arch/i386/' and 'arch/x86_64/' directory removal 'archclean' target

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Message-ID: <CAMzpN2jMYaF0eua8FoOPXR74yA62PBGK5f=QOBFYs2Z3O0BeUg@mail.gmail.com>
Date: Fri, 13 Jun 2025 13:12:34 -0400
From: Brian Gerst <brgerst@...il.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, "H . Peter Anvin" <hpa@...or.com>, 
	Linus Torvalds <torvalds@...ux-foundation.org>, Peter Zijlstra <peterz@...radead.org>, 
	Borislav Petkov <bp@...en8.de>, Thomas Gleixner <tglx@...utronix.de>, 
	Vitaly Kuznetsov <vkuznets@...hat.com>, Jürgen Groß <jgross@...e.com>, 
	Ard Biesheuvel <ardb@...nel.org>, Arnd Bergmann <arnd@...db.de>, David Woodhouse <dwmw@...zon.co.uk>, 
	Masahiro Yamada <yamada.masahiro@...ionext.com>, Michal Marek <michal.lkml@...kovi.net>
Subject: Re: [PATCH 03/13] x86/kbuild: Remove ancient 'arch/i386/' and
 'arch/x86_64/' directory removal 'archclean' target

On Thu, May 15, 2025 at 9:28 AM Ingo Molnar <mingo@...nel.org> wrote:
>
> We have to go back 17 years into Git history, to kernels that won't
> even build or boot with modern build environments, to come across
> the obsolete arch/i386/ and arch/x86_64/ directories.
>
> Remove some of their last functional residuals in the 'archclean' target.
>
> Signed-off-by: Ingo Molnar <mingo@...nel.org>
> Cc: Ard Biesheuvel <ardb@...nel.org>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: David Woodhouse <dwmw@...zon.co.uk>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Cc: Michal Marek <michal.lkml@...kovi.net>
> ---
>  arch/x86/Makefile | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 594723005d95..4e7ac5e4b537 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -348,10 +348,6 @@ $(orc_hash_h): $(srctree)/arch/x86/include/asm/orc_types.h $(orc_hash_sh) FORCE
>  archprepare: $(orc_hash_h)
>  endif
>
> -archclean:
> -       $(Q)rm -rf $(objtree)/arch/i386
> -       $(Q)rm -rf $(objtree)/arch/x86_64
> -
>  define archhelp
>    echo  '* bzImage             - Compressed kernel image (arch/x86/boot/bzImage)'
>    echo  '  install             - Install kernel using (your) ~/bin/$(INSTALLKERNEL) or'

This does not remove the code that actually creates these old symlinks:

$ ll arch/x86_64/boot/bzImage
lrwxrwxrwx. 1 bgerst bgerst 22 Jun 13 13:06 arch/x86_64/boot/bzImage
-> ../../x86/boot/bzImage


Brian Gerst