From: "Zi Yan" <zi.yan@cs.rutgers.edu>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kbuild test robot <fengguang.wu@intel.com>,
kbuild-all@01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [mmotm:master 143/319] include/linux/swapops.h:224:16: error: empty scalar initializer
Date: Thu, 07 Sep 2017 06:54:20 -0400 [thread overview]
Message-ID: <A8D9CC43-5D31-46D7-B049-A88A027835EA@cs.rutgers.edu> (raw)
In-Reply-To: <20170906215017.a95d6bc457a7c0327e6872c3@linux-foundation.org>
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On 7 Sep 2017, at 0:50, Andrew Morton wrote:
> On Thu, 7 Sep 2017 11:37:19 +0800 kbuild test robot <fengguang.wu@intel.com> wrote:
>
>> tree: git://git.cmpxchg.org/linux-mmotm.git master
>> head: 5e52cc028671694cd84e649e0a43c99a53b1fea1
>> commit: ebacb62aac74e6683be1031fed6bfd029732d155 [143/319] mm-thp-enable-thp-migration-in-generic-path-fix-fix-fix
>> config: arm-at91_dt_defconfig (attached as .config)
>> compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
>> reproduce:
>> wget https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fraw.githubusercontent.com%2Fintel%2Flkp-tests%2Fmaster%2Fsbin%2Fmake.cross&data=02%7C01%7Czi.yan%40cs.rutgers.edu%7C6ac33fb5121b4518eb6308d4f5abf197%7Cb92d2b234d35447093ff69aca6632ffe%7C1%7C0%7C636403566227996732&sdata=eSBomrixcY9RpH%2BkKovnCQmHlpaOcWXaZ02J0cX%2FQlg%3D&reserved=0 -O ~/bin/make.cross
>> chmod +x ~/bin/make.cross
>> git checkout ebacb62aac74e6683be1031fed6bfd029732d155
>> # save the attached .config to linux build tree
>> make.cross ARCH=arm
>>
>> All errors (new ones prefixed by >>):
>>
>> In file included from fs/proc/task_mmu.c:15:0:
>> include/linux/swapops.h: In function 'swp_entry_to_pmd':
>>>> include/linux/swapops.h:224:16: error: empty scalar initializer
>> return (pmd_t){};
>> ^
>> include/linux/swapops.h:224:16: note: (near initialization for '(anonymous)')
>>
>> vim +224 include/linux/swapops.h
>>
>> 221
>> 222 static inline pmd_t swp_entry_to_pmd(swp_entry_t entry)
>> 223 {
>>> 224 return (pmd_t){};
>> 225 }
>> 226
>
> Sigh, I tried.
>
> Zi Yan, we're going to need to find a fix for this. Rapidly, please.
Hi Andrew,
Why cannot we use __pmd(0) instead? My sparc32 fix is in 4.13 now.
commit is 9157259d16a8ee8116a98d32f29b797689327e8d.
It should be OK to use __pmd(0). Is there any other arch not having __pmd()?
Thanks.
—
Best Regards,
Yan Zi
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next prev parent reply other threads:[~2017-09-07 10:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-07 3:37 kbuild test robot
2017-09-07 4:50 ` Andrew Morton
2017-09-07 10:54 ` Zi Yan [this message]
2017-09-07 15:09 ` Andrew Morton
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