[kbuild:kbuild 15/16] /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent

[kbuild:kbuild 15/16] /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 936 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kbuild
head:   97ac8fd9fb3552ec629643c9aa130d4712c37106
commit: 24e46c15b03d3304691b869cca833e444b53f90b [15/16] kbuild: Add a cache for generated variables
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 24e46c15b03d3304691b869cca833e444b53f90b
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

>> /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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Re: [kbuild:kbuild 15/16] /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent

[Masahiro Yamada]

2017-10-15 22:27 GMT+09:00 kbuild test robot <fengguang.wu@intel.com>:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kbuild
> head:   97ac8fd9fb3552ec629643c9aa130d4712c37106
> commit: 24e46c15b03d3304691b869cca833e444b53f90b [15/16] kbuild: Add a cache for generated variables
> config: arm64-defconfig (attached as .config)
> compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 24e46c15b03d3304691b869cca833e444b53f90b
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm64
>
> All errors (new ones prefixed by >>):
>
>>> /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent
>


Thanks.

I will drop the cache patches for now, in order to not disturb linux-next.


We need to insert $(shell mkdir ...) somewhere.



-- 
Best Regards
Masahiro Yamada

Re: [kbuild:kbuild 15/16] /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent

[Doug Anderson]

Hi,

On Sun, Oct 15, 2017 at 8:33 AM, Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
> 2017-10-15 22:27 GMT+09:00 kbuild test robot <fengguang.wu@intel.com>:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kbuild
>> head:   97ac8fd9fb3552ec629643c9aa130d4712c37106
>> commit: 24e46c15b03d3304691b869cca833e444b53f90b [15/16] kbuild: Add a cache for generated variables
>> config: arm64-defconfig (attached as .config)
>> compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
>> reproduce:
>>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>         chmod +x ~/bin/make.cross
>>         git checkout 24e46c15b03d3304691b869cca833e444b53f90b
>>         # save the attached .config to linux build tree
>>         make.cross ARCH=arm64
>>
>> All errors (new ones prefixed by >>):
>>
>>>> /bin/sh: 1: cannot create arch/arm64/kernel/vdso/.cache.mk: Directory nonexistent
>>
>
>
> Thanks.
>
> I will drop the cache patches for now, in order to not disturb linux-next.
>
>
> We need to insert $(shell mkdir ...) somewhere.

I believe the v4 series ought to fix this.  I was a little hesitant
about downloading binaries from a random location on github but I
tested my change in isolation and believe it will work.

Thanks!

-Doug