linux-kernel - Re: sparc64: Build failure due to commit f1600e549b94 (sparc: Make sparc64 use scalable lib/iommu-common.c functions)

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Message-ID: <55332DBF.7030701@roeck-us.net>
Date:	Sat, 18 Apr 2015 21:23:27 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	David Miller <davem@...emloft.net>, sowmini.varadhan@...cle.com
CC:	linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: sparc64: Build failure due to commit f1600e549b94 (sparc: Make
 sparc64 use scalable lib/iommu-common.c functions)

On 04/18/2015 09:13 PM, Guenter Roeck wrote:
> On 04/18/2015 02:41 PM, David Miller wrote:
>> From: Sowmini Varadhan <sowmini.varadhan@...cle.com>
>> Date: Sat, 18 Apr 2015 15:55:14 -0400
>>
>>>>
>>>> Sowmini, I think I sorted this out in the 'sparc' GIT tree.
>>>>
>>>> Can you take a look?
>>>
>>> The patches look right now. These are the commit-ids I checked
>>>
>>>    ff7d37a502022149655c18035b99a53391be0383
>>>    bb620c3d3925aec0ed4f21010c86df08ec18a8c7
>>>    0ae53ed15d9b87b883b593a9884957cfa4fc2480
>>
>> Thanks for checking, I'll get this to Linus ASAP.
>>
> Latest upstream (v4.0-8110-g64fb1d0) passes my tests.
>

I spoke too early. Now I get a similar failure in the powerpc:allmodconfig build
(which previously failed for a different reason).

lib/built-in.o:(.discard+0x1): multiple definition of `__pcpu_unique_iommu_pool_hash'
arch/powerpc/kernel/built-in.o:(.discard+0x18): first defined here

And, yes, there are still two instances of iommu_pool_hash.

arch/powerpc/kernel/iommu.c:static DEFINE_PER_CPU(unsigned int, iommu_pool_hash);
lib/iommu-common.c:static       DEFINE_PER_CPU(unsigned int, iommu_pool_hash);

Guenter

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