linux-kernel - Re: [PATCH v2] firmware/Makefile: force recompilation if makefile changes

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Date:   Fri, 17 Mar 2017 02:43:16 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     "Luis R. Rodriguez" <mcgrof@...nel.org>
Cc:     Michal Marek <mmarek@...e.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        ming.lei@...onical.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tom Gundersen <teg@...m.no>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH v2] firmware/Makefile: force recompilation if makefile changes

Hi Luis,

2017-03-15 9:53 GMT+09:00 Luis R. Rodriguez <mcgrof@...nel.org>:
> On Sat, Mar 11, 2017 at 02:37:02PM +0900, Masahiro Yamada wrote:
>> Hi Luis,
>>
>>
>> 2017-01-24 0:07 GMT+09:00 Luis R. Rodriguez <mcgrof@...nel.org>:
>> > If you modify the target asm we currently do not force the
>> > recompilation of the firmware files. The target asm is in
>> > the firmware/Makefile, peg this file as a dependency to
>> > require re-compilation of firmware targets when the asm
>> > changes.
>> >
>> > Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org>
>> > ---
>> >
>> > Michal,
>> >
>> > I had this patch as part of my linker table series [0] but have split it
>> > off as its a small atomic separate change and can go in separately. Greg
>> > prefers this be reviewed by the kbuild tree so sending it your way.
>> > This v2 has no modifications, just resending it to the kbuild tree.
>> >
>> > [0] https://lkml.kernel.org/r/20170115211057.17167-1-mcgrof@kernel.org
>> >
>> >  firmware/Makefile | 3 ++-
>> >  1 file changed, 2 insertions(+), 1 deletion(-)
>> >
>> > diff --git a/firmware/Makefile b/firmware/Makefile
>> > index e297e1b52636..fa3e81c2a97b 100644
>> > --- a/firmware/Makefile
>> > +++ b/firmware/Makefile
>> > @@ -176,7 +176,8 @@ quiet_cmd_fwbin = MK_FW   $@
>> >  wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
>> >                 include/config/ppc32.h include/config/ppc64.h \
>> >                 include/config/superh32.h include/config/superh64.h \
>> > -               include/config/x86_32.h include/config/x86_64.h)
>> > +               include/config/x86_32.h include/config/x86_64.h \
>> > +               firmware/Makefile)
>> >
>> >  $(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps)
>> >         $(call cmd,fwbin,$(patsubst %.gen.S,%,$@))
>>
>>
>> Why don't you use  $(call filechk,...) or $(call if_changed,...)
>> instead of wordsize_deps ?
>
> Care to send a patch?


Sorry for my late reply.

Yes, if you want, I will give it a try.

But, please wait until this weekend...




-- 
Best Regards
Masahiro Yamada