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From: kernel test robot <lkp@intel.com>
To: Eric Auger <eric.auger@redhat.com>,
	eric.auger.pro@gmail.com, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	kvmarm@lists.cs.columbia.edu, will@kernel.org, maz@kernel.org,
	robin.murphy@arm.com, joro@8bytes.org
Cc: clang-built-linux@googlegroups.com, kbuild-all@lists.01.org
Subject: Re: [PATCH v12 03/13] vfio: VFIO_IOMMU_SET_MSI_BINDING
Date: Wed, 24 Feb 2021 10:22:45 +0800	[thread overview]
Message-ID: <202102241009.ObGvRI0a-lkp@intel.com> (raw)
In-Reply-To: <20210223210625.604517-4-eric.auger@redhat.com>

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Hi Eric,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.11]
[cannot apply to vfio/next next-20210223]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210224-051641
base:    f40ddce88593482919761f74910f42f4b84c004b
config: arm64-randconfig-r003-20210223 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/ec823a68d862693dc787422f168409996f43b10a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210224-051641
        git checkout ec823a68d862693dc787422f168409996f43b10a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from drivers/vfio/vfio_iommu_type1.c:36:
   In file included from include/linux/vfio.h:16:
   include/uapi/linux/vfio.h:1198:34: error: field has incomplete type 'struct iommu_pasid_table_config'
           struct iommu_pasid_table_config config; /* used on SET */
                                           ^
   include/uapi/linux/vfio.h:1198:9: note: forward declaration of 'struct iommu_pasid_table_config'
           struct iommu_pasid_table_config config; /* used on SET */
                  ^
   drivers/vfio/vfio_iommu_type1.c:2625:3: error: implicit declaration of function 'iommu_detach_pasid_table' [-Werror,-Wimplicit-function-declaration]
                   iommu_detach_pasid_table(d->domain);
                   ^
   drivers/vfio/vfio_iommu_type1.c:2625:3: note: did you mean 'vfio_detach_pasid_table'?
   drivers/vfio/vfio_iommu_type1.c:2619:1: note: 'vfio_detach_pasid_table' declared here
   vfio_detach_pasid_table(struct vfio_iommu *iommu)
   ^
   drivers/vfio/vfio_iommu_type1.c:2639:9: error: implicit declaration of function 'iommu_uapi_attach_pasid_table' [-Werror,-Wimplicit-function-declaration]
                   ret = iommu_uapi_attach_pasid_table(d->domain, (void __user *)arg);
                         ^
   drivers/vfio/vfio_iommu_type1.c:2642:5: error: implicit declaration of function 'iommu_detach_pasid_table' [-Werror,-Wimplicit-function-declaration]
                                   iommu_detach_pasid_table(d->domain);
                                   ^
>> drivers/vfio/vfio_iommu_type1.c:2668:9: error: implicit declaration of function 'iommu_bind_guest_msi' [-Werror,-Wimplicit-function-declaration]
                   ret = iommu_bind_guest_msi(d->domain, giova, gpa, size);
                         ^
>> drivers/vfio/vfio_iommu_type1.c:2675:3: error: implicit declaration of function 'iommu_unbind_guest_msi' [-Werror,-Wimplicit-function-declaration]
                   iommu_unbind_guest_msi(d->domain, giova);
                   ^
   drivers/vfio/vfio_iommu_type1.c:2689:3: error: implicit declaration of function 'iommu_unbind_guest_msi' [-Werror,-Wimplicit-function-declaration]
                   iommu_unbind_guest_msi(d->domain, giova);
                   ^
   7 errors generated.


vim +/iommu_bind_guest_msi +2668 drivers/vfio/vfio_iommu_type1.c

  2617	
  2618	static void
> 2619	vfio_detach_pasid_table(struct vfio_iommu *iommu)
  2620	{
  2621		struct vfio_domain *d;
  2622	
  2623		mutex_lock(&iommu->lock);
  2624		list_for_each_entry(d, &iommu->domain_list, next)
  2625			iommu_detach_pasid_table(d->domain);
  2626	
  2627		mutex_unlock(&iommu->lock);
  2628	}
  2629	
  2630	static int
  2631	vfio_attach_pasid_table(struct vfio_iommu *iommu, unsigned long arg)
  2632	{
  2633		struct vfio_domain *d;
  2634		int ret = 0;
  2635	
  2636		mutex_lock(&iommu->lock);
  2637	
  2638		list_for_each_entry(d, &iommu->domain_list, next) {
> 2639			ret = iommu_uapi_attach_pasid_table(d->domain, (void __user *)arg);
  2640			if (ret) {
  2641				list_for_each_entry_continue_reverse(d, &iommu->domain_list, next)
  2642					iommu_detach_pasid_table(d->domain);
  2643				break;
  2644			}
  2645		}
  2646	
  2647		mutex_unlock(&iommu->lock);
  2648		return ret;
  2649	}
  2650	static int vfio_cache_inv_fn(struct device *dev, void *data)
  2651	{
  2652		struct domain_capsule *dc = (struct domain_capsule *)data;
  2653		unsigned long arg = *(unsigned long *)dc->data;
  2654	
  2655		return iommu_uapi_cache_invalidate(dc->domain, dev, (void __user *)arg);
  2656	}
  2657	
  2658	static int
  2659	vfio_bind_msi(struct vfio_iommu *iommu,
  2660		      dma_addr_t giova, phys_addr_t gpa, size_t size)
  2661	{
  2662		struct vfio_domain *d;
  2663		int ret = 0;
  2664	
  2665		mutex_lock(&iommu->lock);
  2666	
  2667		list_for_each_entry(d, &iommu->domain_list, next) {
> 2668			ret = iommu_bind_guest_msi(d->domain, giova, gpa, size);
  2669			if (ret)
  2670				goto unwind;
  2671		}
  2672		goto unlock;
  2673	unwind:
  2674		list_for_each_entry_continue_reverse(d, &iommu->domain_list, next) {
> 2675			iommu_unbind_guest_msi(d->domain, giova);
  2676		}
  2677	unlock:
  2678		mutex_unlock(&iommu->lock);
  2679		return ret;
  2680	}
  2681	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  reply	other threads:[~2021-02-24  2:23 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-23 21:06 [PATCH v12 00/13] SMMUv3 Nested Stage Setup (VFIO part) Eric Auger
2021-02-23 21:06 ` [PATCH v12 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE Eric Auger
2021-02-24  0:21   ` kernel test robot
2021-02-24  1:19   ` kernel test robot
2021-02-24  3:29   ` kernel test robot
2021-04-07  9:33   ` Zenghui Yu
2021-04-11 12:12     ` Auger Eric
2021-02-23 21:06 ` [PATCH v12 02/13] vfio: VFIO_IOMMU_CACHE_INVALIDATE Eric Auger
2021-02-23 21:06 ` [PATCH v12 03/13] vfio: VFIO_IOMMU_SET_MSI_BINDING Eric Auger
2021-02-24  2:22   ` kernel test robot [this message]
2021-03-05 10:45   ` Jean-Philippe Brucker
2021-03-08 18:12     ` Auger Eric
2021-02-23 21:06 ` [PATCH v12 04/13] vfio/pci: Add VFIO_REGION_TYPE_NESTED region type Eric Auger
2021-02-23 21:06 ` [PATCH v12 05/13] vfio/pci: Register an iommu fault handler Eric Auger
2021-02-23 21:06 ` [PATCH v12 06/13] vfio/pci: Allow to mmap the fault queue Eric Auger
2021-02-23 21:06 ` [PATCH v12 07/13] vfio: Use capability chains to handle device specific irq Eric Auger
2021-02-23 21:06 ` [PATCH v12 08/13] vfio/pci: Add framework for custom interrupt indices Eric Auger
2021-02-23 21:06 ` [PATCH v12 09/13] vfio: Add new IRQ for DMA fault reporting Eric Auger
2021-02-23 21:06 ` [PATCH v12 10/13] vfio/pci: Register and allow DMA FAULT IRQ signaling Eric Auger
2021-02-23 21:06 ` [PATCH v12 11/13] vfio: Document nested stage control Eric Auger
2021-02-23 21:06 ` [PATCH v12 12/13] vfio/pci: Register a DMA fault response region Eric Auger
2021-02-23 21:06 ` [PATCH v12 13/13] vfio/pci: Inject page response upon response region fill Eric Auger
2021-03-18  0:00 ` [PATCH v12 00/13] SMMUv3 Nested Stage Setup (VFIO part) Krishna Reddy

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