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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	Joe Lawrence <joe.lawrence@redhat.com>,
	Michal Marek <michal.lkml@markovi.net>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 07/12] kbuild: modpost: read modules.order instead of $(MODVERDIR)/*.mod
Date: Fri, 26 Jul 2019 00:49:16 +0900	[thread overview]
Message-ID: <CAK7LNATAD8hJUE559+LUf=OQ1-doMUtx7-Dv+B6ao5BK2667xg@mail.gmail.com> (raw)
In-Reply-To: <0ee802e1-5563-3615-d08f-c936d4e96ebc@siemens.com>

On Fri, Jul 26, 2019 at 12:27 AM Jan Kiszka <jan.kiszka@siemens.com> wrote:
>
> On 25.07.19 17:18, Masahiro Yamada wrote:
> > Hi Jan,
> >
> > On Thu, Jul 25, 2019 at 5:39 PM Jan Kiszka <jan.kiszka@siemens.com> wrote:
> >>>
> >>
> >> This affects also external modules builds: I have patterns here that do
> >>
> >> [Makefile]
> >> subdir-y := some-module
> >>
> >> [some-module/Makefile]
> >> obj-m := some-module.o
> >>
> >> and since this patch, the final some-module.ko is no longer built. Am I missing
> >> something in the kbuild makefiles, or is this a regression?
> >
> > Thanks for the report.
> > Interesting. I have never imagined that Makefiles were written like that.
> >
> > I just wrote a fix-up, but I have not determined to apply it.
> > https://patchwork.kernel.org/patch/11059033/
> >
> > It is easy to fixup your Makefile, though.
>
> Thanks for addressing this quickly! I'm happy to adjust our code [1]. Is the
> suggested pattern usable with recent stable kernels as well, say down to 4.4 at
> least?

Yes, should work for any kernel version.



> Jan
>
> [1] https://github.com/siemens/jailhouse/blob/master/Kbuild#L54

Maybe,

obj-m := driver/ hypervisor/ configs/ inmates/ tools/

   and

$(patsubst %/,$(obj)/%,$(obj-m)): $(GEN_CONFIG_MK)


Not tested at all.


-- 
Best Regards
Masahiro Yamada

  reply	other threads:[~2019-07-25 15:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-17  6:17 [PATCH v3 00/12] kbuild: create *.mod with directory path and remove MODVERDIR Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 01/12] kbuild: do not create empty modules.order in the prepare stage Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 02/12] kbuild: get rid of kernel/ prefix from in-tree modules.{order,builtin} Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 03/12] kbuild: remove duplication from modules.order in sub-directories Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 04/12] scsi: remove pointless $(MODVERDIR)/$(obj)/53c700.ver Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 05/12] kbuild: modinst: read modules.order instead of $(MODVERDIR)/*.mod Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 06/12] kbuild: modsign: " Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 07/12] kbuild: modpost: " Masahiro Yamada
2019-07-25  8:39   ` Jan Kiszka
2019-07-25 15:18     ` Masahiro Yamada
2019-07-25 15:27       ` Jan Kiszka
2019-07-25 15:49         ` Masahiro Yamada [this message]
2019-07-17  6:17 ` [PATCH v3 08/12] kbuild: export_report: read modules.order instead of .tmp_versions/*.mod Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 09/12] kbuild: create *.mod with full directory path and remove MODVERDIR Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 10/12] kbuild: remove the first line of *.mod files Masahiro Yamada
2019-07-17  6:17 ` [PATCH v3 11/12] kbuild: remove 'prepare1' target Masahiro Yamada
2019-07-17  6:18 ` [PATCH v3 12/12] kbuild: split out *.mod out of {single,multi}-used-m rules Masahiro Yamada

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