linux-kernel - Re: [PATCH 1/2] x86/boot/build: make 'make bzlilo' not depend on vmlinux or $(obj)/bzImage

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Message-ID: <CAK7LNAQRxmQnXHSbaW4DG_WOe+yXwU7sm0PGSpoPeZxtiaNckw@mail.gmail.com>
Date:   Mon, 30 Mar 2020 15:40:53 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     X86 ML <x86@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>
Cc:     Ard Biesheuvel <ardb@...nel.org>,
        Bruce Ashfield <bruce.ashfield@...il.com>,
        Daniel Kiper <daniel.kiper@...cle.com>,
        Ingo Molnar <mingo@...hat.com>,
        Ross Philipson <ross.philipson@...cle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] x86/boot/build: make 'make bzlilo' not depend on
 vmlinux or $(obj)/bzImage

Hi

On Sat, Feb 15, 2020 at 3:39 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> bzlilo is an installation target because it copies files to
> $(INSTALL_PATH)/, then runs 'lilo'.
>
> However, arch/x86/Makefile and arch/x86/boot/Makefile have it depend on
> vmlinux, $(obj)/bzImage, respectively.
>
> 'make bzlilo' may update some build artifacts in the source tree.
>
> As commit 19514fc665ff ("arm, kbuild: make "make install" not depend
> on vmlinux") explained, it should not happen.
>
> Make 'bzlilo' not depend on any build artifact.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>


Ping.
Can you pick up this series?

Thanks.


> ---
>
>  arch/x86/Makefile      | 6 +++---
>  arch/x86/boot/Makefile | 2 +-
>  2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 94df0868804b..a034d7787b7e 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -267,7 +267,7 @@ drivers-$(CONFIG_FB) += arch/x86/video/
>
>  boot := arch/x86/boot
>
> -BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage
> +BOOT_TARGETS = bzdisk fdimage fdimage144 fdimage288 isoimage
>
>  PHONY += bzImage $(BOOT_TARGETS)
>
> @@ -288,8 +288,8 @@ endif
>  $(BOOT_TARGETS): vmlinux
>         $(Q)$(MAKE) $(build)=$(boot) $@
>
> -PHONY += install
> -install:
> +PHONY += install bzlilo
> +install bzlilo:
>         $(Q)$(MAKE) $(build)=$(boot) $@
>
>  PHONY += vdso_install
> diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
> index 050164ba3def..1b37746aab82 100644
> --- a/arch/x86/boot/Makefile
> +++ b/arch/x86/boot/Makefile
> @@ -144,7 +144,7 @@ isoimage: $(obj)/bzImage
>         $(call cmd,genimage,isoimage,$(obj)/image.iso)
>         @$(kecho) 'Kernel: $(obj)/image.iso is ready'
>
> -bzlilo: $(obj)/bzImage
> +bzlilo:
>         if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
>         if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>         cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
> --
> 2.17.1
>


-- 
Best Regards
Masahiro Yamada