* [wsa:i2c/for-4.13 15/51] warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o
@ 2017-07-11 4:16 kbuild test robot
2017-07-11 6:54 ` Wolfram Sang
0 siblings, 1 reply; 4+ messages in thread
From: kbuild test robot @ 2017-07-11 4:16 UTC (permalink / raw)
To: Wolfram Sang; +Cc: kbuild-all, linux-i2c
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-4.13
head: 8f1a357d41a22009150cf404b5aa5876efdb59b1
commit: d44005672d83f89d7d797efc490a751a696e7d91 [15/51] i2c: stub: fix build warning regression
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout d44005672d83f89d7d797efc490a751a696e7d91
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
>> warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o
--
>> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-emev2.o
--
>> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-xlp9xx.o
--
>> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-rcar.o
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [wsa:i2c/for-4.13 15/51] warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o
2017-07-11 4:16 [wsa:i2c/for-4.13 15/51] warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o kbuild test robot
@ 2017-07-11 6:54 ` Wolfram Sang
2017-07-11 7:55 ` [kbuild-all] " Fengguang Wu
0 siblings, 1 reply; 4+ messages in thread
From: Wolfram Sang @ 2017-07-11 6:54 UTC (permalink / raw)
To: kbuild test robot; +Cc: Wolfram Sang, kbuild-all, linux-i2c
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On Tue, Jul 11, 2017 at 12:16:34PM +0800, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-4.13
> head: 8f1a357d41a22009150cf404b5aa5876efdb59b1
> commit: d44005672d83f89d7d797efc490a751a696e7d91 [15/51] i2c: stub: fix build warning regression
> config: i386-allmodconfig (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
> git checkout d44005672d83f89d7d797efc490a751a696e7d91
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All warnings (new ones prefixed by >>):
>
> >> warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o
> --
> >> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-emev2.o
> --
> >> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-xlp9xx.o
> --
> >> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-rcar.o
False positive? How can a commit that only touches the DEBUG define in
i2c-algo-bit have effects on the latter three drivers?
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [kbuild-all] [wsa:i2c/for-4.13 15/51] warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o
2017-07-11 6:54 ` Wolfram Sang
@ 2017-07-11 7:55 ` Fengguang Wu
2017-07-11 8:46 ` Wolfram Sang
0 siblings, 1 reply; 4+ messages in thread
From: Fengguang Wu @ 2017-07-11 7:55 UTC (permalink / raw)
To: Wolfram Sang; +Cc: linux-i2c, Wolfram Sang, kbuild-all, Philip Li
Hi Wolfram,
On Tue, Jul 11, 2017 at 08:54:31AM +0200, Wolfram Sang wrote:
>On Tue, Jul 11, 2017 at 12:16:34PM +0800, kbuild test robot wrote:
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-4.13
>> head: 8f1a357d41a22009150cf404b5aa5876efdb59b1
>> commit: d44005672d83f89d7d797efc490a751a696e7d91 [15/51] i2c: stub: fix build warning regression
>> config: i386-allmodconfig (attached as .config)
>> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> reproduce:
>> git checkout d44005672d83f89d7d797efc490a751a696e7d91
>> # save the attached .config to linux build tree
>> make ARCH=i386
>>
>> All warnings (new ones prefixed by >>):
>>
>> >> warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o
>> --
>> >> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-emev2.o
>> --
>> >> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-xlp9xx.o
>> --
>> >> warning: __mcount_loc already exists: drivers/i2c/busses/i2c-rcar.o
>
>False positive? How can a commit that only touches the DEBUG define in
>i2c-algo-bit have effects on the latter three drivers?
You are right, I just confirmed that it's a false positive.
The bisect didn't run distclean, which may explain the warnings on
duplicate __mcount_loc.
Cheers,
Fengguang
^ permalink raw reply [flat|nested] 4+ messages in thread
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2017-07-11 4:16 [wsa:i2c/for-4.13 15/51] warning: __mcount_loc already exists: drivers/i2c/algos/i2c-algo-bit.o kbuild test robot
2017-07-11 6:54 ` Wolfram Sang
2017-07-11 7:55 ` [kbuild-all] " Fengguang Wu
2017-07-11 8:46 ` Wolfram Sang
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