linux-kernel - Re: [PATCH 06/10] vfio: introduce vfio_group_alloc_map_/unmap_free_reserved

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Message-ID: <56A7A0DD.2080504@linaro.org>
Date:	Tue, 26 Jan 2016 17:37:49 +0100
From:	Eric Auger <eric.auger@...aro.org>
To:	kbuild test robot <lkp@...el.com>
Cc:	kbuild-all@...org, eric.auger@...com, alex.williamson@...hat.com,
	will.deacon@....com, christoffer.dall@...aro.org,
	marc.zyngier@....com, linux-arm-kernel@...ts.infradead.org,
	kvmarm@...ts.cs.columbia.edu, kvm@...r.kernel.org,
	Bharat.Bhushan@...escale.com, pranav.sawargaonkar@...il.com,
	p.fedin@...sung.com, suravee.suthikulpanit@....com,
	linux-kernel@...r.kernel.org, patches@...aro.org,
	iommu@...ts.linux-foundation.org
Subject: Re: [PATCH 06/10] vfio: introduce
 vfio_group_alloc_map_/unmap_free_reserved_iova

Hi,
On 01/26/2016 05:17 PM, kbuild test robot wrote:
> Hi Eric,
> 
> [auto build test ERROR on v4.5-rc1]
> [also build test ERROR on next-20160125]
> [cannot apply to iommu/next]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Eric-Auger/KVM-PCIe-MSI-passthrough-on-ARM-ARM64/20160126-211921
> config: x86_64-randconfig-s3-01262306 (attached as .config)
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>>> ERROR: "alloc_iova" [drivers/vfio/vfio_iommu_type1.ko] undefined!
>>> ERROR: "free_iova" [drivers/vfio/vfio_iommu_type1.ko] undefined!

I will protect the code with CONFIG_IOMMU_IOVA if the usage of those
functions is acknowledged.

Thanks

Eric
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>