Re: [PATCH] coco: guest: arm64: Update ARM CCA guest driver

From: kernel test robot
Date: Fri Oct 10 2025 - 10:20:37 EST


Hi Aneesh,

kernel test robot noticed the following build errors:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on arm/for-next arm/fixes kvmarm/next soc/for-next linus/master v6.17 next-20251009]
[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/Aneesh-Kumar-K-V-Arm/coco-guest-arm64-Update-ARM-CCA-guest-driver/20251009-203207
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link: https://lore.kernel.org/r/20251008132758.784275-1-aneesh.kumar%40kernel.org
patch subject: [PATCH] coco: guest: arm64: Update ARM CCA guest driver
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251010/202510102121.hLzgHTck-lkp@xxxxxxxxx/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251010/202510102121.hLzgHTck-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510102121.hLzgHTck-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: cannot open drivers/virt/coco/arm-cca-guest/: Is a directory

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