linux-kernel - Re: [PATCH 2/3] s390/purgatory: hard-code obj-y in Makefile

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Message-ID: <YrMdnEB686tSGARZ@li-4a3a4a4c-28e5-11b2-a85c-a8d192c6f089.ibm.com>
Date:   Wed, 22 Jun 2022 15:48:12 +0200
From:   Alexander Gordeev <agordeev@...ux.ibm.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        linux-s390@...r.kernel.org, Ilya Leoshkevich <iii@...ux.ibm.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] s390/purgatory: hard-code obj-y in Makefile

On Tue, Jun 14, 2022 at 02:09:01AM +0900, Masahiro Yamada wrote:
> The purgatory/ directory is entirely guarded in arch/s390/Kbuild.
> CONFIG_ARCH_HAS_KEXEC_PURGATORY is bool type.
> 
> $(CONFIG_ARCH_HAS_KEXEC_PURGATORY) is always 'y' when Kbuild visits
> this Makefile for building.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
>  arch/s390/purgatory/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
> index 360ada80d20c..3e2c17ba04de 100644
> --- a/arch/s390/purgatory/Makefile
> +++ b/arch/s390/purgatory/Makefile
> @@ -51,4 +51,4 @@ $(obj)/purgatory.ro: $(obj)/purgatory $(obj)/purgatory.chk FORCE
>  $(obj)/kexec-purgatory.o: $(obj)/kexec-purgatory.S $(obj)/purgatory.ro FORCE
>  	$(call if_changed_rule,as_o_S)
>  
> -obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o
> +obj-y += kexec-purgatory.o

Applied, thanks!

BTW, it looks like x86 and riscv also need similar change.

In addition, x86 use of CONFIG_ARCH_HAS_KEXEC_PURGATORY vs CONFIG_KEXEC_FILE
is not consistent with other architectures (may be even incorrect?).

> -- 
> 2.32.0
>