linux-kernel - Re: [PATCH v3] ANDROID: binder: change down_write to down

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Date:   Fri, 30 Mar 2018 10:15:30 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Minchan Kim <minchan@...nel.org>
Cc:     kbuild test robot <lkp@...el.com>, kbuild-all@...org,
        LKML <linux-kernel@...r.kernel.org>,
        Todd Kjos <tkjos@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Martijn Coenen <maco@...roid.com>
Subject: Re: [PATCH v3] ANDROID: binder: change down_write to down_read

On Fri, Mar 30, 2018 at 09:37:36AM +0900, Minchan Kim wrote:
>On Fri, Mar 30, 2018 at 07:42:37AM +0800, kbuild test robot wrote:
>> Hi Minchan,
>>
>> I love your patch! Yet something to improve:
>
>Glad to hear.
>It's first time someone loves my patch. ;-)

FYI, that message originates from Linus. :-)

>> [auto build test ERROR on staging/staging-testing]
>> [also build test ERROR on v4.16-rc7 next-20180329]
>> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>>
>> url:    https://github.com/0day-ci/linux/commits/Minchan-Kim/ANDROID-binder-change-down_write-to-down_read/20180330-043057
>> config: x86_64-randconfig-x014-201812 (attached as .config)
>> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
>> reproduce:
>>         # save the attached .config to linux build tree
>>         make ARCH=x86_64
>>
>> All errors (new ones prefixed by >>):
>>
>>    drivers//android/binder.c: In function 'binder_mmap':
>> >> drivers//android/binder.c:4725:24: error: 'struct vm_area_struct' has no member named 'flags'; did you mean 'vm_flags'?
>>      vma->vm_flags = (vma->flags | VM_DONTCOPY | VM_MIXEDMAP) &
>>                            ^~~~~
>>                            vm_flags
>
>http://lkml.kernel.org/r/<20180329065424.203172-1-minchan@...nel.org>
>
>This time, I was little bit fast. :)

Hurrah, quick hands! :)

Cheers,
Fengguang