linux-kernel - Re: [PATCH v1 10/13] KVM: selftests: Add KVM Userfault mode to demand_paging

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Message-ID: <202412150600.wLk8rmZf-lkp@intel.com>
Date: Sun, 15 Dec 2024 06:46:45 +0800
From: kernel test robot <lkp@...el.com>
To: James Houghton <jthoughton@...gle.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Sean Christopherson <seanjc@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, Jonathan Corbet <corbet@....net>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Yan Zhao <yan.y.zhao@...el.com>,
	James Houghton <jthoughton@...gle.com>,
	Nikita Kalyazin <kalyazin@...zon.com>,
	Anish Moorthy <amoorthy@...gle.com>,
	Peter Gonda <pgonda@...gle.com>, Peter Xu <peterx@...hat.com>,
	David Matlack <dmatlack@...gle.com>, Wang@...gle.com,
	Wei W <wei.w.wang@...el.com>, kvm@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev
Subject: Re: [PATCH v1 10/13] KVM: selftests: Add KVM Userfault mode to
 demand_paging_test

Hi James,

kernel test robot noticed the following build errors:

[auto build test ERROR on 4d911c7abee56771b0219a9fbf0120d06bdc9c14]

url:    https://github.com/intel-lab-lkp/linux/commits/James-Houghton/KVM-Add-KVM_MEM_USERFAULT-memslot-flag-and-bitmap/20241205-032516
base:   4d911c7abee56771b0219a9fbf0120d06bdc9c14
patch link:    https://lore.kernel.org/r/20241204191349.1730936-11-jthoughton%40google.com
patch subject: [PATCH v1 10/13] KVM: selftests: Add KVM Userfault mode to demand_paging_test
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241215/202412150600.wLk8rmZf-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412150600.wLk8rmZf-lkp@intel.com/

All errors (new ones prefixed by >>):

>> demand_paging_test.c:220:2: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned long *' invalid)
     220 |         atomic_fetch_and_explicit(bitmap_chunk,
         |         ^                         ~~~~~~~~~~~~
   /opt/cross/clang-ab51eccf88/lib/clang/19/include/stdatomic.h:169:35: note: expanded from macro 'atomic_fetch_and_explicit'
     169 | #define atomic_fetch_and_explicit __c11_atomic_fetch_and
         |                                   ^
   1 error generated.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki