Hi Christoph, kernel test robot noticed the following build errors: [auto build test ERROR on 77f587896757708780a7e8792efe62939f25a5ab] url: https://github.com/intel-lab-lkp/linux/commits/Christoph-Lameter-via-B4-Relay/Avoid-memory-barrier-in-read_seqcount-through-load-acquire/20240913-064557 base: 77f587896757708780a7e8792efe62939f25a5ab patch link: https://lore.kernel.org/r/20240912-seq_optimize-v3-1-8ee25e04dffa%40gentwo.org patch subject: [PATCH v3] Avoid memory barrier in read_seqcount() through load acquire config: i386-buildonly-randconfig-001-20240913 (https://download.01.org/0day-ci/archive/20240913/202409132145.0UdNx9kr-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240913/202409132145.0UdNx9kr-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/202409132145.0UdNx9kr-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/i915/gem/i915_gem_pages.c:11: >> drivers/gpu/drm/i915/gt/intel_tlb.h:21:40: error: too few arguments provided to function-like macro invocation 21 | return seqprop_sequence(>->tlb.seqno); | ^ include/linux/seqlock.h:280:9: note: macro 'seqprop_sequence' defined here 280 | #define seqprop_sequence(s, a) __seqprop(s, sequence)(s, a) | ^ In file included from drivers/gpu/drm/i915/gem/i915_gem_pages.c:11: >> drivers/gpu/drm/i915/gt/intel_tlb.h:21:9: error: use of undeclared identifier 'seqprop_sequence'; did you mean '__seqprop_sequence'? 21 | return seqprop_sequence(>->tlb.seqno); | ^~~~~~~~~~~~~~~~ | __seqprop_sequence include/linux/seqlock.h:228:24: note: '__seqprop_sequence' declared here 228 | static inline unsigned __seqprop_sequence(const seqcount_t *s, bool acquire) | ^ In file included from drivers/gpu/drm/i915/gem/i915_gem_pages.c:11: >> drivers/gpu/drm/i915/gt/intel_tlb.h:21:9: error: incompatible pointer to integer conversion returning 'unsigned int (const seqcount_t *, bool)' (aka 'unsigned int (const struct seqcount *, _Bool)') from a function with result type 'u32' (aka 'unsigned int') [-Wint-conversion] 21 | return seqprop_sequence(>->tlb.seqno); | ^~~~~~~~~~~~~~~~ 3 errors generated. vim +21 drivers/gpu/drm/i915/gt/intel_tlb.h 568a2e6f0b12ee Chris Wilson 2023-08-01 18 568a2e6f0b12ee Chris Wilson 2023-08-01 19 static inline u32 intel_gt_tlb_seqno(const struct intel_gt *gt) 568a2e6f0b12ee Chris Wilson 2023-08-01 20 { 568a2e6f0b12ee Chris Wilson 2023-08-01 @21 return seqprop_sequence(>->tlb.seqno); 568a2e6f0b12ee Chris Wilson 2023-08-01 22 } 568a2e6f0b12ee Chris Wilson 2023-08-01 23 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
