tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 2e375b157ddf25336989b074c1f2a88a80ab72f5 commit: cbd165f529bd32b586342c0a2d11c3ca50b9fdd3 [3304/3304] KVM: arm64: ipiv: Change parameter from vcpu to kvm config: arm64-defconfig (https://download.01.org/0day-ci/archive/20251122/202511221643.H3LgffBo-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221643.H3LgffBo-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/202511221643.H3LgffBo-lkp@intel.com/ All errors (new ones prefixed by >>): arch/arm64/kvm/hypercalls.c: In function 'kvm_smccc_call_handler':

...

arch/arm64/kvm/hypercalls.c:380:52: error: passing argument 1 of 'hisi_ipiv_supported_per_vm' from incompatible pointer type [-Wincompatible-pointer-types] 380 | if (hisi_ipiv_supported_per_vm(vcpu->kvm)) | ~~~~^~~~~ | | | struct kvm * In file included from arch/arm64/kvm/hypercalls.c:13: arch/arm64/kvm/hisilicon/hisi_virt.h:127:64: note: expected 'struct kvm_vcpu *' but argument is of type 'struct kvm *' 127 | static inline bool hisi_ipiv_supported_per_vm(struct kvm_vcpu *vcpu) | ~~~~~~~~~~~~~~~~~^~~~ arch/arm64/kvm/hypercalls.c:386:52: error: passing argument 1 of 'hisi_ipiv_supported_per_vm' from incompatible pointer type [-Wincompatible-pointer-types] 386 | if (hisi_ipiv_supported_per_vm(vcpu->kvm)) { | ~~~~^~~~~ | | | struct kvm * arch/arm64/kvm/hisilicon/hisi_virt.h:127:64: note: expected 'struct kvm_vcpu *' but argument is of type 'struct kvm *' 127 | static inline bool hisi_ipiv_supported_per_vm(struct kvm_vcpu *vcpu) | ~~~~~~~~~~~~~~~~~^~~~ arch/arm64/kvm/hypercalls.c:387:53: error: passing argument 1 of 'hisi_ipiv_enable_per_vm' from incompatible pointer type [-Wincompatible-pointer-types] 387 | hisi_ipiv_enable_per_vm(vcpu->kvm); | ~~~~^~~~~ | | | struct kvm * arch/arm64/kvm/hisilicon/hisi_virt.h:131:61: note: expected 'struct kvm_vcpu *' but argument is of type 'struct kvm *' 131 | static inline void hisi_ipiv_enable_per_vm(struct kvm_vcpu *vcpu) {} | ~~~~~~~~~~~~~~~~~^~~~

vim +/hisi_ipiv_supported_per_vm +380 arch/arm64/kvm/hypercalls.c 264 265 int kvm_smccc_call_handler(struct kvm_vcpu *vcpu) 266 { 267 struct kvm_smccc_features *smccc_feat = &vcpu->kvm->arch.smccc_feat; 268 u32 func_id = smccc_get_function(vcpu); 269 u64 val[4] = {SMCCC_RET_NOT_SUPPORTED}; 270 u32 feature; 271 u8 action; 272 gpa_t gpa; 273 274 action = kvm_smccc_get_action(vcpu, func_id); 275 switch (action) { 276 case KVM_SMCCC_FILTER_HANDLE: 277 break; 278 case KVM_SMCCC_FILTER_DENY: 279 goto out; 280 case KVM_SMCCC_FILTER_FWD_TO_USER: 281 kvm_prepare_hypercall_exit(vcpu, func_id); 282 return 0; 283 default: 284 WARN_RATELIMIT(1, "Unhandled SMCCC filter action: %d\n", action); 285 goto out; 286 } 287 288 switch (func_id) { 289 case ARM_SMCCC_VERSION_FUNC_ID: 290 val[0] = ARM_SMCCC_VERSION_1_1; 291 break; 292 case ARM_SMCCC_ARCH_FEATURES_FUNC_ID: 293 feature = smccc_get_arg1(vcpu); 294 switch (feature) { 295 case ARM_SMCCC_ARCH_WORKAROUND_1: 296 switch (arm64_get_spectre_v2_state()) { 297 case SPECTRE_VULNERABLE: 298 break; 299 case SPECTRE_MITIGATED: 300 val[0] = SMCCC_RET_SUCCESS; 301 break; 302 case SPECTRE_UNAFFECTED: 303 val[0] = SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED; 304 break; 305 } 306 break; 307 case ARM_SMCCC_ARCH_WORKAROUND_2: 308 switch (arm64_get_spectre_v4_state()) { 309 case SPECTRE_VULNERABLE: 310 break; 311 case SPECTRE_MITIGATED: 312 /* 313 * SSBS everywhere: Indicate no firmware 314 * support, as the SSBS support will be 315 * indicated to the guest and the default is 316 * safe. 317 * 318 * Otherwise, expose a permanent mitigation 319 * to the guest, and hide SSBS so that the 320 * guest stays protected. 321 */ 322 if (cpus_have_final_cap(ARM64_SSBS)) 323 break; 324 fallthrough; 325 case SPECTRE_UNAFFECTED: 326 val[0] = SMCCC_RET_NOT_REQUIRED; 327 break; 328 } 329 break; 330 case ARM_SMCCC_ARCH_WORKAROUND_3: 331 switch (arm64_get_spectre_bhb_state()) { 332 case SPECTRE_VULNERABLE: 333 break; 334 case SPECTRE_MITIGATED: 335 val[0] = SMCCC_RET_SUCCESS; 336 break; 337 case SPECTRE_UNAFFECTED: 338 val[0] = SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED; 339 break; 340 } 341 break; 342 case ARM_SMCCC_HV_PV_TIME_FEATURES: 343 if (test_bit(KVM_REG_ARM_STD_HYP_BIT_PV_TIME, 344 &smccc_feat->std_hyp_bmap)) 345 val[0] = SMCCC_RET_SUCCESS; 346 break; 347 #ifdef CONFIG_PARAVIRT_SCHED 348 case ARM_SMCCC_HV_PV_SCHED_FEATURES: 349 val[0] = SMCCC_RET_SUCCESS; 350 break; 351 #endif /* CONFIG_PARAVIRT_SCHED */ 352 } 353 break; 354 case ARM_SMCCC_HV_PV_TIME_FEATURES: 355 val[0] = kvm_hypercall_pv_features(vcpu); 356 break; 357 case ARM_SMCCC_HV_PV_TIME_ST: 358 gpa = kvm_init_stolen_time(vcpu); 359 if (gpa != INVALID_GPA) 360 val[0] = gpa; 361 break; 362 #ifdef CONFIG_PARAVIRT_SCHED 363 case ARM_SMCCC_HV_PV_SCHED_FEATURES: 364 val[0] = kvm_hypercall_pvsched_features(vcpu); 365 break; 366 case ARM_SMCCC_HV_PV_SCHED_IPA_INIT: 367 gpa = smccc_get_arg1(vcpu); 368 if (gpa != INVALID_GPA) { 369 vcpu->arch.pvsched.base = gpa; 370 val[0] = SMCCC_RET_SUCCESS; 371 } 372 break; 373 case ARM_SMCCC_HV_PV_SCHED_IPA_RELEASE: 374 vcpu->arch.pvsched.base = INVALID_GPA; 375 val[0] = SMCCC_RET_SUCCESS; 376 break; 377 #endif /* CONFIG_PARAVIRT_SCHED */ 378 #ifdef CONFIG_ARM64_HISI_IPIV 379 case ARM_SMCCC_VENDOR_PV_SGI_FEATURES:

380 if (hisi_ipiv_supported_per_vm(vcpu->kvm)) 381 val[0] = SMCCC_RET_SUCCESS; 382 else 383 val[0] = SMCCC_RET_NOT_SUPPORTED; 384 break; 385 case ARM_SMCCC_VENDOR_PV_SGI_ENABLE: 386 if (hisi_ipiv_supported_per_vm(vcpu->kvm)) { 387 hisi_ipiv_enable_per_vm(vcpu->kvm); 388 val[0] = SMCCC_RET_SUCCESS; 389 } else { 390 val[0] = SMCCC_RET_NOT_SUPPORTED; 391 } 392 break; 393 #endif 394 case ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID: 395 val[0] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_0; 396 val[1] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_1; 397 val[2] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_2; 398 val[3] = ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_3; 399 break; 400 case ARM_SMCCC_VENDOR_HYP_KVM_FEATURES_FUNC_ID: 401 val[0] = smccc_feat->vendor_hyp_bmap; 402 /* Function numbers 2-63 are reserved for pKVM for now */ 403 val[2] = smccc_feat->vendor_hyp_bmap_2; 404 break; 405 case ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID: 406 kvm_ptp_get_time(vcpu, val); 407 break; 408 case ARM_SMCCC_TRNG_VERSION: 409 case ARM_SMCCC_TRNG_FEATURES: 410 case ARM_SMCCC_TRNG_GET_UUID: 411 case ARM_SMCCC_TRNG_RND32: 412 case ARM_SMCCC_TRNG_RND64: 413 return kvm_trng_call(vcpu); 414 default: 415 return kvm_psci_call(vcpu); 416 } 417 418 out: 419 smccc_set_retval(vcpu, val[0], val[1], val[2], val[3]); 420 return 1; 421 } 422

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