linux-kernel - Re: [RESEND PATCH v2 2/6] PCI: Set PCI_BUS_FLAGS_MSI_REMAP if MSI controller enables IRQ remapping

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Date:	Mon, 6 Jun 2016 16:21:35 +0800
From:	Yongji Xie <xyjxie@...ux.vnet.ibm.com>
To:	kbuild test robot <lkp@...el.com>
Cc:	kvm@...r.kernel.org, aik@...abs.ru, linux-pci@...r.kernel.org,
	will.deacon@....com, paulus@...ba.org, eric.auger@...aro.org,
	joro@...tes.org, kevin.tian@...el.com, nikunj@...ux.vnet.ibm.com,
	alistair@...ple.id.au, gwshan@...ux.vnet.ibm.com,
	alex.williamson@...hat.com, bhelgaas@...gle.com,
	zhong@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org, David.Laight@...LAB.COM,
	kbuild-all@...org, warrier@...ux.vnet.ibm.com,
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [RESEND PATCH v2 2/6] PCI: Set PCI_BUS_FLAGS_MSI_REMAP if MSI
 controller enables IRQ remapping

On 2016/6/6 4:10, kbuild test robot wrote:

> Hi,
>
> [auto build test ERROR on vfio/next]
> [also build test ERROR on v4.7-rc1 next-20160603]
> [cannot apply to pci/next]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url:    https://github.com/0day-ci/linux/commits/Yongji-Xie/PCI-Add-a-new-PCI_BUS_FLAGS_MSI_REMAP-flag/20160530-215348
> base:   https://github.com/awilliam/linux-vfio.git next
> config: arm-sa1100 (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 5.3.1-8) 5.3.1 20160205
> reproduce:
>          wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # save the attached .config to linux build tree
>          make.cross ARCH=arm
>
> All errors (new ones prefixed by >>):
>
>     drivers/built-in.o: In function `pci_set_bus_msi_domain':
>>> arm_pmu.c:(.text+0x5c58): undefined reference to `pci_bus_msi_isolated'

Sorry for this fault. I will fix it in next version.  The 
pci_bus_msi_isolated() should not
depend on CONFIG_PCI_MSI, I would move this function from 
drivers/pci/msi.c to
drivers/pci/probe.c.

Thanks,
Yongji