From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Richard Weinberger <richard@nod.at>,
linux-um@lists.infradead.org, LKML <linux-kernel@vger.kernel.org>,
linux-kbuild <linux-kbuild@vger.kernel.org>
Subject: Re: kbuild: ARCH=um archheaders failed
Date: Sat, 4 Aug 2018 11:23:26 +0900 [thread overview]
Message-ID: <CAK7LNARdoeKCNYV7Kp6YLNsJ4rjrjXRWMsf4op58-JzRYUNVtg@mail.gmail.com> (raw)
In-Reply-To: <861c26a6-294c-755d-2396-e5d18b9bbcbf@infradead.org>
2018-08-04 0:41 GMT+09:00 Randy Dunlap <rdunlap@infradead.org>:
> On 08/02/2018 05:13 PM, Randy Dunlap wrote:
>> Hi Yamada-san,
>>
>> I see this every few weeks. It's not reproducible (it depends
>> on the moon, Mars, etc.).
>>
>> I'm using O=builddir. The build log is short (below).
>>
>> Do you see a makefile problem here? (nothing to do with mmotm;
>> I see it more frequently with linux-next since I do many daily
>> builds with it)
>
> BTW, this is just um defconfig with -j4.
>
> --
> ~Randy
> --
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I will send a patch with commit description later
after more testing,
but the following patch should fix the issue.
diff --git a/arch/um/Makefile b/arch/um/Makefile
index d3975e7..1cec053 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -120,7 +120,7 @@ archheaders:
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
kbuild-file=$(HOST_DIR)/include/uapi/asm/Kbuild \
obj=$(HOST_DIR)/include/generated/uapi/asm
- $(Q)$(MAKE) KBUILD_SRC= ARCH=$(HEADER_ARCH) archheaders
+ $(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) archheaders
archprepare: include/generated/user_constants.h
--
Best Regards
Masahiro Yamada
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next prev parent reply other threads:[~2018-08-04 2:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-03 0:13 kbuild: ARCH=um archheaders failed Randy Dunlap
2018-08-03 15:41 ` Randy Dunlap
2018-08-04 2:23 ` Masahiro Yamada [this message]
2018-08-04 15:47 ` Randy Dunlap
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