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Message-ID: <CAK7LNARDGDCDT84sxGZoY7gHoiWVX7fZ6KmXF_dt3=kGnYaOWQ@mail.gmail.com>
Date: Fri, 15 Sep 2017 22:06:28 +0900
From: Masahiro Yamada <yamada.masahiro@...ionext.com>
To: Michal Simek <monstr@...str.eu>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>,
Michal Hocko <mhocko@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: Re: microblaze fails to to compile with allmodconfig
Hi Michal,
2017-09-15 21:17 GMT+09:00 Michal Simek <monstr@...str.eu>:
> Hi Michal and Geert, +Nicolas and Masahiro
>
> On 14.9.2017 11:19, Geert Uytterhoeven wrote:
>> Hi Michal,
>>
>> On Thu, Sep 14, 2017 at 11:07 AM, Michal Hocko <mhocko@...nel.org> wrote:
>>> I've started seeing the following compilation failures with microblaze
>>> with the current linux-next (next-20170913). I have no idea when this
>>> has been introduced but microblaze clearly doesn't have arch specific
>>> kvm_para.h.
>>>
>>> In file included from ./include/linux/kvm_para.h:4:0,
>>> from kernel/watchdog.c:29:
>>> ./include/uapi/linux/kvm_para.h:32:26: fatal error: asm/kvm_para.h: No such file or directory
>>> #include <asm/kvm_para.h>
>>> ^
>>> compilation terminated.
>>> make[1]: *** [kernel/watchdog.o] Error 1
>>> make[1]: *** Waiting for unfinished jobs....
>>>
>>> allyesconfig and allnoconfig compile just fine. Maybe allmodconfig needs
>>> an update?
>
>
> Thanks for reporting this.
>
>>
>> arch/microblaze/include/uapi/asm/Kbuild needs a line
>>
>> generic-y += kvm_para.h
>>
>> ?
Yes.
I think it is the right thing to do.
> tile/arm/alpha/frv/nm10300/hexagon/sparc/score have
> #include <asm-generic/kvm_para.h>
>
> ppc and x86 contain implementation.
>
> s390 and mips are just empty files
>
> Issue was likely introduced by:
> "uapi: export all headers under uapi directories"
> (commit fcc8487d477a3452a1d0ccbdd4c5e0e1e3cb8bed)
>
> Where header-y += kvm_para.h was removed.
No.
Nicolas's commit is innocent.
I think the bad commit is this:
commit 83f0124ad81e87b74c2f461b1794e57ab5e7fea0
Author: Tobias Klauser <tklauser@...tanz.ch>
Date: Fri May 19 13:45:16 2017 +0200
microblaze: remove asm-generic wrapper headers
Some of microblaze's asm and uapi header are merely including their
asm-generic counterpart. Thus, the arch specific headers can be removed
and the asm-generic header can be used directly via generic-y.
The headers removed from uapi don't need to be added to generic-y in the
uapi Kbuild in order to get exported, as they are already listed in
mandatory-y.
Also order the generic-y list alphabetically.
Signed-off-by: Tobias Klauser <tklauser@...tanz.ch>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
It removed
arch/microblaze/include/uapi/asm/kvm_para.h
but, missed to add "generic-y += kvm_para.h"
--
Best Regards
Masahiro Yamada
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