linux-kernel - Re: [PATCH 1/1] iommu/vt-d: Fix kdump kernels boot failure with scalable mode

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Message-ID: <3748b73a-d02c-0f85-b245-6a8295ccecf6@linux.intel.com>
Date:   Fri, 12 Aug 2022 11:35:36 +0800
From:   Baolu Lu <baolu.lu@...ux.intel.com>
To:     kernel test robot <lkp@...el.com>, iommu@...ts.linux.dev
Cc:     baolu.lu@...ux.intel.com, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Kevin Tian <kevin.tian@...el.com>,
        Jerry Snitselaar <jsnitsel@...hat.com>,
        Wen Jin <wen.jin@...el.com>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH 1/1] iommu/vt-d: Fix kdump kernels boot failure with
 scalable mode

On 2022/8/8 17:04, kernel test robot wrote:
> Hi Lu,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on next-20220808]
> [cannot apply to joro-iommu/next v5.19]
> [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#_base_tree_information]
> 
> url:https://github.com/intel-lab-lkp/linux/commits/Lu-Baolu/iommu-vt-d-Fix-kdump-kernels-boot-failure-with-scalable-mode/20220808-115156
> base:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git  4e23eeebb2e57f5a28b36221aa776b5a1122dde5
> config: x86_64-randconfig-a011-20220808 (https://download.01.org/0day-ci/archive/20220808/202208081636.6sNc86bT-lkp@intel.com/config)
> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project  5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
> reproduce (this is a W=1 build):
>          wgethttps://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross  -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          #https://github.com/intel-lab-lkp/linux/commit/335018299049ac5dc13ff12d320b5952bed7e8f8
>          git remote add linux-reviewhttps://github.com/intel-lab-lkp/linux
>          git fetch --no-tags linux-review Lu-Baolu/iommu-vt-d-Fix-kdump-kernels-boot-failure-with-scalable-mode/20220808-115156
>          git checkout 335018299049ac5dc13ff12d320b5952bed7e8f8
>          # save the config file
>          mkdir build_dir && cp config build_dir/.config
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot<lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>     In file included from drivers/iommu/intel/dmar.c:33:
>>> drivers/iommu/intel/iommu.h:705:14: error: no member named 'copied_tables' in 'struct intel_iommu'

Thanks for reporting. This happens when INTEL_IOMMU=n && DMAR=y. I will
fix it in the next version.

Best regards,
baolu