* [sean-jc:x86/stale_mmio_cleanup 70/72] arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
@ 2025-04-02 8:38 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-04-02 8:38 UTC (permalink / raw)
To: Sean Christopherson; +Cc: oe-kbuild-all
tree: https://github.com/sean-jc/linux x86/stale_mmio_cleanup
head: 1f284ca401d9620d6f0e4aea289cc2a50c4403e9
commit: 7df9be2ef92ca4407a365455e0670f4f07af7e25 [70/72] KVM: VMX: Apply MMIO mitigation if KVM maps MMIO into the guest
config: i386-buildonly-randconfig-001-20250402 (https://download.01.org/0day-ci/archive/20250402/202504021630.C3QkiAsX-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250402/202504021630.C3QkiAsX-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504021630.C3QkiAsX-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
arch/x86/kvm/vmx/vmx.c: In function 'vmx_vcpu_enter_exit':
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/linux/compiler_types.h:522:23: note: in definition of macro '__compiletime_assert'
522 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/linux/compiler_types.h:498:27: note: in definition of macro '__unqual_scalar_typeof'
498 | _Generic((x), \
| ^
include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
In file included from ./arch/x86/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:344,
from include/linux/export.h:5,
from include/linux/linkage.h:7,
from include/linux/fs.h:5,
from include/linux/highmem.h:5,
from arch/x86/kvm/vmx/vmx.c:17:
>> arch/x86/kvm/vmx/vmx.c:7364:43: error: 'struct kvm_arch' has no member named 'mapped_host_mmio'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^
include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
arch/x86/kvm/vmx/vmx.c:7364:18: note: in expansion of macro 'READ_ONCE'
7364 | READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
| ^~~~~~~~~
vim +7364 arch/x86/kvm/vmx/vmx.c
7347
7348 static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
7349 unsigned int flags)
7350 {
7351 struct vcpu_vmx *vmx = to_vmx(vcpu);
7352
7353 guest_state_enter_irqoff();
7354
7355 /*
7356 * L1D Flush includes CPU buffer clear to mitigate MDS, but VERW
7357 * mitigation for MDS is done late in VMentry and is still
7358 * executed in spite of L1D Flush. This is because an extra VERW
7359 * should not matter much after the big hammer L1D Flush.
7360 */
7361 if (static_branch_unlikely(&vmx_l1d_should_flush))
7362 vmx_l1d_flush(vcpu);
7363 else if (static_branch_unlikely(&mmio_stale_data_clear) &&
> 7364 READ_ONCE(vcpu->kvm->arch.mapped_host_mmio))
7365 mds_clear_cpu_buffers();
7366
7367 vmx_disable_fb_clear(vmx);
7368
7369 if (vcpu->arch.cr2 != native_read_cr2())
7370 native_write_cr2(vcpu->arch.cr2);
7371
7372 vmx->fail = __vmx_vcpu_run(vmx, (unsigned long *)&vcpu->arch.regs,
7373 flags);
7374
7375 vcpu->arch.cr2 = native_read_cr2();
7376 vcpu->arch.regs_avail &= ~VMX_REGS_LAZY_LOAD_SET;
7377
7378 vmx->idt_vectoring_info = 0;
7379
7380 vmx_enable_fb_clear(vmx);
7381
7382 if (unlikely(vmx->fail)) {
7383 vmx->exit_reason.full = 0xdead;
7384 goto out;
7385 }
7386
7387 vmx->exit_reason.full = vmcs_read32(VM_EXIT_REASON);
7388 if (likely(!vmx->exit_reason.failed_vmentry))
7389 vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD);
7390
7391 if ((u16)vmx->exit_reason.basic == EXIT_REASON_EXCEPTION_NMI &&
7392 is_nmi(vmx_get_intr_info(vcpu))) {
7393 kvm_before_interrupt(vcpu, KVM_HANDLING_NMI);
7394 if (cpu_feature_enabled(X86_FEATURE_FRED))
7395 fred_entry_from_kvm(EVENT_TYPE_NMI, NMI_VECTOR);
7396 else
7397 vmx_do_nmi_irqoff();
7398 kvm_after_interrupt(vcpu);
7399 }
7400
7401 out:
7402 guest_state_exit_irqoff();
7403 }
7404
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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