11:22 p.m.
tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head: d19d8f329cd20e1e2d14f30ed08d6a1164e6e9d9
commit: 56bc20e5fc64d55c194475692ee60893a3f452a5 [4522/9999] perf/x86/lbr: Remove
cpuc->lbr_xsave allocation from atomic context
config: x86_64-randconfig-a004-20220117
(https://download.01.org/0day-ci/archive/20220122/202201221945.Jw5HI2LX-lk...)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
d4baf3b1322b84816aa623d8e8cb45a49cb68b84)
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
git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
git fetch --no-tags ti ti-rt-linux-5.10.y
git checkout 56bc20e5fc64d55c194475692ee60893a3f452a5
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=x86_64 SHELL=/bin/bash arch/x86/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
Note: the ti/ti-rt-linux-5.10.y HEAD d19d8f329cd20e1e2d14f30ed08d6a1164e6e9d9 builds
fine.
It only hurts bisectability.
All errors (new ones prefixed by >>):
> arch/x86/events/intel/lbr.c:729:28: error: too many arguments to
function call, expected 0, have 1
kmem_cache =
x86_get_pmu(cpu)->task_ctx_cache;
~~~~~~~~~~~ ^~~
arch/x86/events/intel/../perf_event.h:900:13: note: 'x86_get_pmu' declared
here
struct pmu *x86_get_pmu(void);
^
1 error generated.
vim +729 arch/x86/events/intel/lbr.c
717
718 void reserve_lbr_buffers(void)
719 {
720 struct kmem_cache *kmem_cache;
721 struct cpu_hw_events *cpuc;
722 int cpu;
723
724 if (!static_cpu_has(X86_FEATURE_ARCH_LBR))
725 return;
726
727 for_each_possible_cpu(cpu) {
728 cpuc = per_cpu_ptr(&cpu_hw_events, cpu);
729 kmem_cache = x86_get_pmu(cpu)->task_ctx_cache;
730 if (!kmem_cache || cpuc->lbr_xsave)
731 continue;
732
733 cpuc->lbr_xsave = kmem_cache_alloc_node(kmem_cache, GFP_KERNEL,
734 cpu_to_node(cpu));
735 }
736 }
737
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org