linux-kernel - Re: linux-next: build failure after merge of the kbuild tree

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Date:   Mon, 22 Feb 2021 08:21:20 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: linux-next: build failure after merge of the kbuild tree

Hi Stephen,

On Mon, Feb 22, 2021 at 6:33 AM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> After merging the kbuild tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> cc1: fatal error: FORCE: No such file or directory
> compilation terminated.
>
> Presuably caused by commit
>
>   15bb90419621 ("arch: syscalls: add missing FORCE and fix 'targets' to make if_changed work")

Sorry, this happens only when CONFIG_XEN=y,
and I did not cover all cases.

I will fix it for tomorrow's linux-next.


If it is not too late, you can apply the following locally.



diff --git a/arch/x86/entry/syscalls/Makefile b/arch/x86/entry/syscalls/Makefile
index e1c7ddb7546b..ea6ffb51b9a3 100644
--- a/arch/x86/entry/syscalls/Makefile
+++ b/arch/x86/entry/syscalls/Makefile
@@ -21,7 +21,7 @@ quiet_cmd_systbl = SYSTBL  $@
       cmd_systbl = $(CONFIG_SHELL) '$(systbl)' $< $@

 quiet_cmd_hypercalls = HYPERCALLS $@
-      cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<,$^)
+      cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<,$(real-prereqs))

 syshdr_abi_unistd_32 := i386
 $(uapi)/unistd_32.h: $(syscall32) $(syshdr) FORCE






> I have used the kbuild tree from next-20210219 for today.
>
> --
> Cheers,
> Stephen Rothwell



-- 
Best Regards
Masahiro Yamada