tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: dabd2f7c9c1d6b9dad214ea61407781e0439d85d commit: 1182be89002c268a781bd90b25f18da76cfea732 [2153/2153] pmu: enable pmu phys irq inject for cvm config: arm64-randconfig-r062-20250423 (https://download.01.org/0day-ci/archive/20250423/202504230942.5dFQC7IQ-lkp@i...) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250423/202504230942.5dFQC7IQ-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504230942.5dFQC7IQ-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/arm64/kvm/arm.c:9: In file included from include/linux/entry-kvm.h:6: In file included from include/linux/resume_user_mode.h:8: In file included from include/linux/memcontrol.h:20: In file included from include/linux/mm.h:2242: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ arch/arm64/kvm/arm.c:139:7: warning: variable 'r' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] 139 | if (static_branch_unlikely(&virtcca_cvm_is_available)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/jump_label.h:504:40: note: expanded from macro 'static_branch_unlikely' 504 | #define static_branch_unlikely(x) \ | ^ 505 | ({ \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 506 | bool branch; \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 507 | if (__builtin_types_compatible_p(typeof(*x), struct static_key_true)) \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 508 | branch = arch_static_branch_jump(&(x)->key, false); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 509 | else if (__builtin_types_compatible_p(typeof(*x), struct static_key_false)) \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 510 | branch = arch_static_branch(&(x)->key, false); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 511 | else \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 512 | branch = ____wrong_branch_error(); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 513 | unlikely_notrace(branch); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 514 | }) | ~~ arch/arm64/kvm/arm.c:148:9: note: uninitialized use occurs here 148 | return r; | ^ arch/arm64/kvm/arm.c:139:3: note: remove the 'if' if its condition is always true 139 | if (static_branch_unlikely(&virtcca_cvm_is_available)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 140 | r = kvm_cvm_enable_cap(kvm, cap); arch/arm64/kvm/arm.c:93:7: note: initialize the variable 'r' to silence this warning 93 | int r; | ^ | = 0

...

arch/arm64/kvm/arm.c:1037:11: error: no member named 'irq_level' in 'struct kvm_pmu' 1037 | if (pmu->irq_level) { | ~~~ ^ arch/arm64/kvm/arm.c:1039:3: error: call to undeclared function 'arm_pmu_set_phys_irq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1039 | arm_pmu_set_phys_irq(false); | ^ arch/arm64/kvm/arm.c:1242:4: error: call to undeclared function 'arm_pmu_set_phys_irq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1242 | arm_pmu_set_phys_irq(true); | ^ 2 warnings and 3 errors generated.

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for RESCTRL_FS Depends on [n]: MISC_FILESYSTEMS [=n] && ARCH_HAS_CPU_RESCTRL [=y] Selected by [y]: - ARM64_MPAM [=y] vim +1037 arch/arm64/kvm/arm.c 1031 1032 #ifdef CONFIG_HISI_VIRTCCA_HOST 1033 static inline void update_pmu_phys_irq(struct kvm_vcpu *vcpu, bool *pmu_stopped) 1034 { 1035 struct kvm_pmu *pmu = &vcpu->arch.pmu; 1036

1037 if (pmu->irq_level) { 1038 *pmu_stopped = true; 1039 arm_pmu_set_phys_irq(false); 1040 } 1041 } 1042 #endif 1043

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