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Message-ID: <202412190743.1bLEb7Ps-lkp@intel.com>
Date: Thu, 19 Dec 2024 07:23:07 +0800
From: kernel test robot <lkp@...el.com>
To: Oliver Upton <oliver.upton@...ux.dev>, kvmarm@...ts.linux.dev
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Marc Zyngier <maz@...nel.org>, Joey Gouly <joey.gouly@....com>,
Suzuki K Poulose <suzuki.poulose@....com>,
Zenghui Yu <yuzenghui@...wei.com>,
Mingwei Zhang <mizhang@...gle.com>,
Colton Lewis <coltonlewis@...gle.com>,
Raghavendra Rao Ananta <rananta@...gle.com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Oliver Upton <oliver.upton@...ux.dev>
Subject: Re: [PATCH 09/18] KVM: arm64: Drop kvm_arm_pmu_available static key
Hi Oliver,
kernel test robot noticed the following build errors:
[auto build test ERROR on 78d4f34e2115b517bcbfe7ec0d018bbbb6f9b0b8]
url: https://github.com/intel-lab-lkp/linux/commits/Oliver-Upton/drivers-perf-apple_m1-Refactor-event-select-filter-configuration/20241218-054416
base: 78d4f34e2115b517bcbfe7ec0d018bbbb6f9b0b8
patch link: https://lore.kernel.org/r/20241217212048.3709204-10-oliver.upton%40linux.dev
patch subject: [PATCH 09/18] KVM: arm64: Drop kvm_arm_pmu_available static key
config: arm64-randconfig-001-20241219 (https://download.01.org/0day-ci/archive/20241219/202412190743.1bLEb7Ps-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241219/202412190743.1bLEb7Ps-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/202412190743.1bLEb7Ps-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/arm64/kvm/arm.c:394:7: error: call to undeclared function 'kvm_supports_guest_pmuv3'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
r = kvm_supports_guest_pmuv3();
^
arch/arm64/kvm/arm.c:1400:7: error: call to undeclared function 'kvm_supports_guest_pmuv3'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (!kvm_supports_guest_pmuv3())
^
2 errors generated.
vim +/kvm_supports_guest_pmuv3 +394 arch/arm64/kvm/arm.c
309
310 int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
311 {
312 int r;
313
314 if (kvm && kvm_vm_is_protected(kvm) && !pkvm_ext_allowed(kvm, ext))
315 return 0;
316
317 switch (ext) {
318 case KVM_CAP_IRQCHIP:
319 r = vgic_present;
320 break;
321 case KVM_CAP_IOEVENTFD:
322 case KVM_CAP_USER_MEMORY:
323 case KVM_CAP_SYNC_MMU:
324 case KVM_CAP_DESTROY_MEMORY_REGION_WORKS:
325 case KVM_CAP_ONE_REG:
326 case KVM_CAP_ARM_PSCI:
327 case KVM_CAP_ARM_PSCI_0_2:
328 case KVM_CAP_READONLY_MEM:
329 case KVM_CAP_MP_STATE:
330 case KVM_CAP_IMMEDIATE_EXIT:
331 case KVM_CAP_VCPU_EVENTS:
332 case KVM_CAP_ARM_IRQ_LINE_LAYOUT_2:
333 case KVM_CAP_ARM_NISV_TO_USER:
334 case KVM_CAP_ARM_INJECT_EXT_DABT:
335 case KVM_CAP_SET_GUEST_DEBUG:
336 case KVM_CAP_VCPU_ATTRIBUTES:
337 case KVM_CAP_PTP_KVM:
338 case KVM_CAP_ARM_SYSTEM_SUSPEND:
339 case KVM_CAP_IRQFD_RESAMPLE:
340 case KVM_CAP_COUNTER_OFFSET:
341 r = 1;
342 break;
343 case KVM_CAP_SET_GUEST_DEBUG2:
344 return KVM_GUESTDBG_VALID_MASK;
345 case KVM_CAP_ARM_SET_DEVICE_ADDR:
346 r = 1;
347 break;
348 case KVM_CAP_NR_VCPUS:
349 /*
350 * ARM64 treats KVM_CAP_NR_CPUS differently from all other
351 * architectures, as it does not always bound it to
352 * KVM_CAP_MAX_VCPUS. It should not matter much because
353 * this is just an advisory value.
354 */
355 r = min_t(unsigned int, num_online_cpus(),
356 kvm_arm_default_max_vcpus());
357 break;
358 case KVM_CAP_MAX_VCPUS:
359 case KVM_CAP_MAX_VCPU_ID:
360 if (kvm)
361 r = kvm->max_vcpus;
362 else
363 r = kvm_arm_default_max_vcpus();
364 break;
365 case KVM_CAP_MSI_DEVID:
366 if (!kvm)
367 r = -EINVAL;
368 else
369 r = kvm->arch.vgic.msis_require_devid;
370 break;
371 case KVM_CAP_ARM_USER_IRQ:
372 /*
373 * 1: EL1_VTIMER, EL1_PTIMER, and PMU.
374 * (bump this number if adding more devices)
375 */
376 r = 1;
377 break;
378 case KVM_CAP_ARM_MTE:
379 r = system_supports_mte();
380 break;
381 case KVM_CAP_STEAL_TIME:
382 r = kvm_arm_pvtime_supported();
383 break;
384 case KVM_CAP_ARM_EL1_32BIT:
385 r = cpus_have_final_cap(ARM64_HAS_32BIT_EL1);
386 break;
387 case KVM_CAP_GUEST_DEBUG_HW_BPS:
388 r = get_num_brps();
389 break;
390 case KVM_CAP_GUEST_DEBUG_HW_WPS:
391 r = get_num_wrps();
392 break;
393 case KVM_CAP_ARM_PMU_V3:
> 394 r = kvm_supports_guest_pmuv3();
395 break;
396 case KVM_CAP_ARM_INJECT_SERROR_ESR:
397 r = cpus_have_final_cap(ARM64_HAS_RAS_EXTN);
398 break;
399 case KVM_CAP_ARM_VM_IPA_SIZE:
400 r = get_kvm_ipa_limit();
401 break;
402 case KVM_CAP_ARM_SVE:
403 r = system_supports_sve();
404 break;
405 case KVM_CAP_ARM_PTRAUTH_ADDRESS:
406 case KVM_CAP_ARM_PTRAUTH_GENERIC:
407 r = kvm_has_full_ptr_auth();
408 break;
409 case KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE:
410 if (kvm)
411 r = kvm->arch.mmu.split_page_chunk_size;
412 else
413 r = KVM_ARM_EAGER_SPLIT_CHUNK_SIZE_DEFAULT;
414 break;
415 case KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES:
416 r = kvm_supported_block_sizes();
417 break;
418 case KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES:
419 r = BIT(0);
420 break;
421 default:
422 r = 0;
423 }
424
425 return r;
426 }
427
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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