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SubjectRe: linux-next: Tree for June 3
From
On Thu, Jun 3, 2010 at 4:00 PM, Dave Young <hidave.darkstar@gmail.com> wrote:
> On Thu, Jun 3, 2010 at 3:39 PM, Dave Young <hidave.darkstar@gmail.com> wrote:
>> On Thu, Jun 3, 2010 at 11:47 AM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>> Hi all,
>>>
>>> Changes since 20100602:
>>>
>>> My fixes tree contains:
>>>      v4l-dvb: update gfp/slab.h includes
>>>      arm: update gfp/slab.h includes
>>>      davinci: update gfp/slab.h includes
>>>      ocfs2: update gfp/slab.h includes
>>>      acpi: update gfp/slab.h includes
>>>
>>> The sh tree lost its build failure.
>>>
>>> The rr tree lost its build failure.
>>>
>>> ----------------------------------------------------------------------------
>>>
>>> I have created today's linux-next tree at
>>> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>>> (patches at http://www.kernel.org/pub/linux/kernel/v2.6/next/ ).  If you
>>> are tracking the linux-next tree using git, you should not use "git pull"
>>> to do so as that will try to merge the new linux-next release with the
>>> old one.  You should use "git fetch" as mentioned in the FAQ on the wiki
>>> (see below).
>>>
>>
>> Hi,
>>
>> With this build, I got weird module refcount:
>>
>> bash-3.1$ cat /proc/modules
>> radeon 703776 4294967295 - Live 0xffffffffa017c000
>> ttm 55891 0 radeon, Live 0xffffffffa0164000
>> drm_kms_helper 25154 0 radeon, Live 0xffffffffa015b000
>> drm 174333 2 radeon,ttm,drm_kms_helper, Live 0xffffffffa011f000
>> fb 45136 1 radeon,drm_kms_helper, Live 0xffffffffa00ff000
>> fbdev 861 0 fb, Live 0xffffffffa009e000
>> i2c_algo_bit 4925 0 radeon, Live 0xffffffffa0069000
>> cfbcopyarea 3229 0 radeon, Live 0xffffffffa0059000
>> cfbimgblt 2138 0 radeon, Live 0xffffffffa002c000
>> cfbfillrect 3241 0 radeon, Live 0xffffffffa0026000
>> tun 13180 2 - Live 0xffffffffa0039000
>> kvm_intel 42801 4294967295 - Live 0xffffffffa0112000
>> kvm 250629 0 kvm_intel, Live 0xffffffffa00bf000
>> dell_wmi 2939 4294967295 - Live 0xffffffffa000e000
>> snd_hda_codec_analog 72342 0 - Live 0xffffffffa00ab000
>> wmi 7636 0 dell_wmi, Live 0xffffffffa0004000
>> e1000e 186408 4294967295 - Live 0xffffffffa006e000
>> snd_hda_intel 22245 4294967295 - Live 0xffffffffa0061000
>> snd_hda_codec 69600 1 snd_hda_codec_analog,snd_hda_intel, Live 0xffffffffa004600
>> 0
>> snd_hwdep 5914 0 snd_hda_codec, Live 0xffffffffa003e000
>> 8139too 31275 4294967295 - Live 0xffffffffa002f000
>> snd_pcm 70720 1 snd_hda_intel,snd_hda_codec, Live 0xffffffffa0012000
>> snd_timer 18357 0 snd_pcm, Live 0xffffffffa0007000
>> snd_page_alloc 7365 1 snd_hda_intel,snd_pcm, Live 0xffffffffa0000000
>>
>> As you can see, some refcount become negtive
>
> Seems for some module drop reference of 0 in following code of init_module:
>
>       /* Drop initial reference. */
>        module_put(mod);

get right refcount as before by removing this line, is it right fix?

>
>> --
>> Regards
>> dave
>>
>
>
>
> --
> Regards
> dave
>



--
Regards
dave
--
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