Re: [kbuild-all] [vhost:vhost 19/20] Warning: arch/x86/tools/test_get_len found difference at :ffffffff811aa5f0

2018-02-07 Thread Daniel Borkmann
On 02/08/2018 01:37 AM, Philip Li wrote:
> On Thu, Feb 08, 2018 at 01:25:39AM +0100, Daniel Borkmann wrote:
>> On 02/08/2018 01:20 AM, Philip Li wrote:
>>> On Thu, Feb 08, 2018 at 02:09:41AM +0200, Michael S. Tsirkin wrote:
 On Wed, Feb 07, 2018 at 03:02:57PM +0800, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git 
> vhost
> head:   96bcd04462b99e2c80e09f6537770a0ca6b288d0
> commit: cc1d1dc07885803981520a5303ef5b130f2ca2e8 [19/20] mm: support 
> reporting free page blocks
> config: x86_64-rhel
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
> git checkout cc1d1dc07885803981520a5303ef5b130f2ca2e8
> # save the attached .config to linux build tree
> make ARCH=x86_64 
>
> All warnings (new ones prefixed by >>):

 I'm sorry, what exactly does this mean?
>>> sorry that the script has issue to provide empty warnings here, which
>>> was supposed to list warnings with >> added to new ones like below.
>>>
>>>In file included from kernel//bpf/core.c:29:0:
> include/linux/bpf.h:72:8: error: duplicate member 'security'
>>>  void *security;
>>>^
>>>
>>> We will follow up to check what goes wrong.
>>
>> Certainly odd, even in that tree/commit/header [0] I cannot see a duplicate
>> security member in struct bpf_map.
> that is one example i try to show what looks like for the >> prefix, and i 
> copy
> it from https://lists.01.org/pipermail/kbuild-all/2018-February/042706.html, 
> which
> is not for vhost repo.

Ok, indeed, some merge resolution issue in android stable kernel tree [1].
I didn't parse from your prior mail that you just meant this as a possible
example. Anyway, thanks for clarifying.

  [1] 
https://android.googlesource.com/kernel/common/+/6bbd2da69c5c2b8ab57cc2171b9abe2c9b82f53e%5E%21/

> Here for this report, the issue is as title "Warning: 
> arch/x86/tools/test_get_len found difference at 
> :811aa5f0".
> 
>>   [0] 
>> https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/tree/include/linux/bpf.h?h=vhost=cc1d1dc07885803981520a5303ef5b130f2ca2e8#n45

Thanks,
Daniel


Re: [kbuild-all] [vhost:vhost 19/20] Warning: arch/x86/tools/test_get_len found difference at :ffffffff811aa5f0

2018-02-07 Thread Philip Li
On Thu, Feb 08, 2018 at 01:25:39AM +0100, Daniel Borkmann wrote:
> On 02/08/2018 01:20 AM, Philip Li wrote:
> > On Thu, Feb 08, 2018 at 02:09:41AM +0200, Michael S. Tsirkin wrote:
> >> On Wed, Feb 07, 2018 at 03:02:57PM +0800, kbuild test robot wrote:
> >>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git 
> >>> vhost
> >>> head:   96bcd04462b99e2c80e09f6537770a0ca6b288d0
> >>> commit: cc1d1dc07885803981520a5303ef5b130f2ca2e8 [19/20] mm: support 
> >>> reporting free page blocks
> >>> config: x86_64-rhel
> >>> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> >>> reproduce:
> >>> git checkout cc1d1dc07885803981520a5303ef5b130f2ca2e8
> >>> # save the attached .config to linux build tree
> >>> make ARCH=x86_64 
> >>>
> >>> All warnings (new ones prefixed by >>):
> >>
> >> I'm sorry, what exactly does this mean?
> > sorry that the script has issue to provide empty warnings here, which
> > was supposed to list warnings with >> added to new ones like below.
> > 
> >In file included from kernel//bpf/core.c:29:0:
> >>> include/linux/bpf.h:72:8: error: duplicate member 'security'
> >  void *security;
> >^
> > 
> > We will follow up to check what goes wrong.
> 
> Certainly odd, even in that tree/commit/header [0] I cannot see a duplicate
> security member in struct bpf_map.
that is one example i try to show what looks like for the >> prefix, and i copy
it from https://lists.01.org/pipermail/kbuild-all/2018-February/042706.html, 
which
is not for vhost repo.

Here for this report, the issue is as title "Warning: 
arch/x86/tools/test_get_len found difference at 
:811aa5f0".

> 
>   [0] 
> https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/tree/include/linux/bpf.h?h=vhost=cc1d1dc07885803981520a5303ef5b130f2ca2e8#n45


Re: [kbuild-all] [vhost:vhost 19/20] Warning: arch/x86/tools/test_get_len found difference at :ffffffff811aa5f0

2018-02-07 Thread Daniel Borkmann
On 02/08/2018 01:20 AM, Philip Li wrote:
> On Thu, Feb 08, 2018 at 02:09:41AM +0200, Michael S. Tsirkin wrote:
>> On Wed, Feb 07, 2018 at 03:02:57PM +0800, kbuild test robot wrote:
>>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
>>> head:   96bcd04462b99e2c80e09f6537770a0ca6b288d0
>>> commit: cc1d1dc07885803981520a5303ef5b130f2ca2e8 [19/20] mm: support 
>>> reporting free page blocks
>>> config: x86_64-rhel
>>> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
>>> reproduce:
>>> git checkout cc1d1dc07885803981520a5303ef5b130f2ca2e8
>>> # save the attached .config to linux build tree
>>> make ARCH=x86_64 
>>>
>>> All warnings (new ones prefixed by >>):
>>
>> I'm sorry, what exactly does this mean?
> sorry that the script has issue to provide empty warnings here, which
> was supposed to list warnings with >> added to new ones like below.
> 
>In file included from kernel//bpf/core.c:29:0:
>>> include/linux/bpf.h:72:8: error: duplicate member 'security'
>  void *security;
>^
> 
> We will follow up to check what goes wrong.

Certainly odd, even in that tree/commit/header [0] I cannot see a duplicate
security member in struct bpf_map.

  [0] 
https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/tree/include/linux/bpf.h?h=vhost=cc1d1dc07885803981520a5303ef5b130f2ca2e8#n45


Re: [kbuild-all] [vhost:vhost 19/20] Warning: arch/x86/tools/test_get_len found difference at :ffffffff811aa5f0

2018-02-07 Thread Philip Li
On Thu, Feb 08, 2018 at 02:09:41AM +0200, Michael S. Tsirkin wrote:
> On Wed, Feb 07, 2018 at 03:02:57PM +0800, kbuild test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
> > head:   96bcd04462b99e2c80e09f6537770a0ca6b288d0
> > commit: cc1d1dc07885803981520a5303ef5b130f2ca2e8 [19/20] mm: support 
> > reporting free page blocks
> > config: x86_64-rhel
> > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> > reproduce:
> > git checkout cc1d1dc07885803981520a5303ef5b130f2ca2e8
> > # save the attached .config to linux build tree
> > make ARCH=x86_64 
> > 
> > All warnings (new ones prefixed by >>):
> 
> I'm sorry, what exactly does this mean?
sorry that the script has issue to provide empty warnings here, which
was supposed to list warnings with >> added to new ones like below.

   In file included from kernel//bpf/core.c:29:0:
>> include/linux/bpf.h:72:8: error: duplicate member 'security'
 void *security;
   ^

We will follow up to check what goes wrong.

> 
> > ---
> > 0-DAY kernel test infrastructureOpen Source Technology 
> > Center
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> > Corporation
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