Re: [PATCH v4 00/16] KVM: selftests: "tree" wide overhauls

John Stoffel
2024-12-19T15:15:32Z

On Wed, Dec 18, 2024 at 06:00:50PM -0800, Sean Christopherson wrote:
> On Wed, Dec 18, 2024, Sean Christopherson wrote:
> > On Wed, Dec 18, 2024, Sean Christopherson wrote:
> > > On Wed, 27 Nov 2024 16:55:31 -0800, Sean Christopherson wrote:
> > > > Two separate series (mmu_stress_test[1] and $ARCH[2]), posted as one to
> > > > avoid unpleasant conflicts, and because I hope to land both in kvm/next
> > > > shortly after 6.12-rc1 since they impact all of KVM selftests.
> > > >
> > > > mmu_stress_test
> > > > ---------------
> > > > Convert the max_guest_memory_test into a more generic mmu_stress_test.
> > > > The basic gist of the "conversion" is to have the test do mprotect() on
> > > > guest memory while vCPUs are accessing said memory, e.g. to verify KVM
> > > > and mmu_notifiers are working as intended.
> > > >
> > > > [...]
> > >
> > > As I am running out of time before I disappear for two weeks, applied to:
> > >
> > > https://github.com/kvm-x86/linux.git selftests_arch
> > >
> > > Other KVM maintainers, that branch is officially immutable. I also pushed a tag,
> > > kvm-selftests-arch-6.14, just in case I pull a stupid and manage to clobber the
> > > branch. My apologies if this causes pain. AFAICT, there aren't any queued or
> > > in-flight patches that git's rename magic can't automatically handle, so hopefully
> > > this ends up being pain-free.
> > >
> > > Paolo, here's a pull request if you want to pull this into kvm/next long before
> > > the 6.14 merge window. Diff stats at the very bottom (hilariously long).
> >
> > Argh! I completely forget to build test this on non-x86, and missed that arm64
> > snuck in 75cd027cbcb1 ("KVM: arm64: selftests: Test ID_AA64PFR0.MPAM isn't completely
> > ignored"). *sigh*
> >
> > Given that I just sent out mail, I'm going to cross my fingers and hope that no
> > one has merged the above branch/tag. I've deleted the branch and tags from the
> > remote, but kept the tag locally just in case.
> >
> > Please holler if you managed to grab the broken branch/tag. If no one screams,
> > I'll assume I got luckly and will push a fixed version (with different names) later
> > today.
>
> Third time is the charm. Compile tested on all architectures, and runtime tested
> on x86 and arm64.
>
> https://github.com/kvm-x86/linux.git selftests_treewide_6.14
>
> ---
> The following changes since commit 3522c419758ee8dca5a0e8753ee0070a22157bc1:
>
> Merge tag 'kvm-riscv-fixes-6.13-1' of https://github.com/kvm-riscv/linux into HEAD (2024-12-13 13:59:20 -0500)
>
> are available in the Git repository at:
>
> https://github.com/kvm-x86/linux.git tags/kvm-selftests-treewide-6.14
>
> for you to fetch changes up to 9af04539d474dda4984ff4909d4568e6123c8cba:
>
> KVM: selftests: Override ARCH for x86_64 instead of using ARCH_DIR (2024-12-18 14:15:05 -0800)
>
> ----------------------------------------------------------------
> KVM selftests "tree"-wide changes for 6.14:
>
> - Rework vcpu_get_reg() to return a value instead of using an out-param, and
> update all affected arch code accordingly.
>
> - Convert the max_guest_memory_test into a more generic mmu_stress_test.
> The basic gist of the "conversion" is to have the test do mprotect() on
> guest memory while vCPUs are accessing said memory, e.g. to verify KVM
> and mmu_notifiers are working as intended.
>
> - Play nice with treewrite builds of unsupported architectures, e.g. arm

nit: treewide, not treewrite

> (32-bit), as KVM selftests' Makefile doesn't do anything to ensure the
> target architecture is actually one KVM selftests supports.
>
> - Use the kernel's $(ARCH) definition instead of the target triple for arch
> specific directories, e.g. arm64 instead of aarch64, mainly so as not to
> be different from the rest of the kernel.
>
> ----------------------------------------------------------------
> Sean Christopherson (16):
> KVM: Move KVM_REG_SIZE() definition to common uAPI header
> KVM: selftests: Return a value from vcpu_get_reg() instead of using an out-param
> KVM: selftests: Assert that vcpu_{g,s}et_reg() won't truncate
> KVM: selftests: Check for a potential unhandled exception iff KVM_RUN succeeded
> KVM: selftests: Rename max_guest_memory_test to mmu_stress_test
> KVM: selftests: Only muck with SREGS on x86 in mmu_stress_test
> KVM: selftests: Compute number of extra pages needed in mmu_stress_test
> KVM: sefltests: Explicitly include ucall_common.h in mmu_stress_test.c
> KVM: selftests: Enable mmu_stress_test on arm64
> KVM: selftests: Use vcpu_arch_put_guest() in mmu_stress_test
> KVM: selftests: Precisely limit the number of guest loops in mmu_stress_test
> KVM: selftests: Add a read-only mprotect() phase to mmu_stress_test
> KVM: selftests: Verify KVM correctly handles mprotect(PROT_READ)
> KVM: selftests: Provide empty 'all' and 'clean' targets for unsupported ARCHs
> KVM: selftests: Use canonical $(ARCH) paths for KVM selftests directories
> KVM: selftests: Override ARCH for x86_64 instead of using ARCH_DIR
> --
>
> [01/16] KVM: Move KVM_REG_SIZE() definition to common uAPI header
> https://github.com/kvm-x86/linux/commit/915d2f0718a4
> [02/16] KVM: selftests: Return a value from vcpu_get_reg() instead of using an out-param
> https://github.com/kvm-x86/linux/commit/09bb926d2907
> [03/16] KVM: selftests: Assert that vcpu_{g,s}et_reg() won't truncate
> https://github.com/kvm-x86/linux/commit/fe85ce31b289
> [04/16] KVM: selftests: Check for a potential unhandled exception iff KVM_RUN succeeded
> https://github.com/kvm-x86/linux/commit/d6533c151338
> [05/16] KVM: selftests: Rename max_guest_memory_test to mmu_stress_test
> https://github.com/kvm-x86/linux/commit/b12391498d1e
> [06/16] KVM: selftests: Only muck with SREGS on x86 in mmu_stress_test
> https://github.com/kvm-x86/linux/commit/55e164df482a
> [07/16] KVM: selftests: Compute number of extra pages needed in mmu_stress_test
> https://github.com/kvm-x86/linux/commit/1ddd3ea75ac3
> [08/16] KVM: sefltests: Explicitly include ucall_common.h in mmu_stress_test.c
> https://github.com/kvm-x86/linux/commit/c35d8f579e50
> [09/16] KVM: selftests: Enable mmu_stress_test on arm64
> https://github.com/kvm-x86/linux/commit/8abe7632a1ee
> [10/16] KVM: selftests: Use vcpu_arch_put_guest() in mmu_stress_test
> https://github.com/kvm-x86/linux/commit/3a0422526404
> [11/16] KVM: selftests: Precisely limit the number of guest loops in mmu_stress_test
> https://github.com/kvm-x86/linux/commit/82b542e11848
> [12/16] KVM: selftests: Add a read-only mprotect() phase to mmu_stress_test
> https://github.com/kvm-x86/linux/commit/80b7859a3a43
> [13/16] KVM: selftests: Verify KVM correctly handles mprotect(PROT_READ)
> https://github.com/kvm-x86/linux/commit/b6c304aec648
> [14/16] KVM: selftests: Provide empty 'all' and 'clean' targets for unsupported ARCHs
> https://github.com/kvm-x86/linux/commit/43fbd8cd389f
> [15/16] KVM: selftests: Use canonical $(ARCH) paths for KVM selftests directories
> https://github.com/kvm-x86/linux/commit/67730e6c53d7
> [16/16] KVM: selftests: Override ARCH for x86_64 instead of using ARCH_DIR
> https://github.com/kvm-x86/linux/commit/9af04539d474
>
>
> MAINTAINERS | 12 +--
> arch/arm64/include/uapi/asm/kvm.h | 3 -
> arch/riscv/include/uapi/asm/kvm.h | 3 -
> include/uapi/linux/kvm.h | 4 +
> tools/testing/selftests/kvm/.gitignore | 1 +
> tools/testing/selftests/kvm/Makefile | 345 ++------------------------------------------------------------------------------
> tools/testing/selftests/kvm/Makefile.kvm | 330 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> tools/testing/selftests/kvm/{aarch64 => arm64}/aarch32_id_regs.c | 10 +--
> tools/testing/selftests/kvm/{aarch64 => arm64}/arch_timer.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/arch_timer_edge_cases.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/debug-exceptions.c | 4 +-
> tools/testing/selftests/kvm/{aarch64 => arm64}/get-reg-list.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/hypercalls.c | 6 +-
> tools/testing/selftests/kvm/{aarch64 => arm64}/mmio_abort.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/no-vgic-v3.c | 2 +-
> tools/testing/selftests/kvm/{aarch64 => arm64}/page_fault_test.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/psci_test.c | 8 +-
> tools/testing/selftests/kvm/{aarch64 => arm64}/set_id_regs.c | 22 +++---
> tools/testing/selftests/kvm/{aarch64 => arm64}/smccc_filter.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/vcpu_width_config.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/vgic_init.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/vgic_irq.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/vgic_lpi_stress.c | 0
> tools/testing/selftests/kvm/{aarch64 => arm64}/vpmu_counter_access.c | 19 +++--
> tools/testing/selftests/kvm/dirty_log_perf_test.c | 2 +-
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/arch_timer.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/delay.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/gic.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/gic_v3.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/gic_v3_its.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/kvm_util_arch.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/processor.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/spinlock.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/ucall.h | 0
> tools/testing/selftests/kvm/include/{aarch64 => arm64}/vgic.h | 0
> tools/testing/selftests/kvm/include/kvm_util.h | 10 ++-
> tools/testing/selftests/kvm/include/{s390x => s390}/debug_print.h | 0
> tools/testing/selftests/kvm/include/{s390x => s390}/diag318_test_handler.h | 0
> tools/testing/selftests/kvm/include/{s390x => s390}/facility.h | 0
> tools/testing/selftests/kvm/include/{s390x => s390}/kvm_util_arch.h | 0
> tools/testing/selftests/kvm/include/{s390x => s390}/processor.h | 0
> tools/testing/selftests/kvm/include/{s390x => s390}/sie.h | 0
> tools/testing/selftests/kvm/include/{s390x => s390}/ucall.h | 0
> tools/testing/selftests/kvm/include/{x86_64 => x86}/apic.h | 2 -
> tools/testing/selftests/kvm/include/{x86_64 => x86}/evmcs.h | 3 -
> tools/testing/selftests/kvm/include/{x86_64 => x86}/hyperv.h | 3 -
> tools/testing/selftests/kvm/include/{x86_64 => x86}/kvm_util_arch.h | 0
> tools/testing/selftests/kvm/include/{x86_64 => x86}/mce.h | 2 -
> tools/testing/selftests/kvm/include/{x86_64 => x86}/pmu.h | 0
> tools/testing/selftests/kvm/include/{x86_64 => x86}/processor.h | 2 -
> tools/testing/selftests/kvm/include/{x86_64 => x86}/sev.h | 0
> tools/testing/selftests/kvm/include/{x86_64 => x86}/svm.h | 6 --
> tools/testing/selftests/kvm/include/{x86_64 => x86}/svm_util.h | 3 -
> tools/testing/selftests/kvm/include/{x86_64 => x86}/ucall.h | 0
> tools/testing/selftests/kvm/include/{x86_64 => x86}/vmx.h | 2 -
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic.c | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic_private.h | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic_v3.c | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic_v3_its.c | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/handlers.S | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/processor.c | 8 +-
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/spinlock.c | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/ucall.c | 0
> tools/testing/selftests/kvm/lib/{aarch64 => arm64}/vgic.c | 0
> tools/testing/selftests/kvm/lib/kvm_util.c | 3 +-
> tools/testing/selftests/kvm/lib/riscv/processor.c | 66 ++++++++--------
> tools/testing/selftests/kvm/lib/{s390x => s390}/diag318_test_handler.c | 0
> tools/testing/selftests/kvm/lib/{s390x => s390}/facility.c | 0
> tools/testing/selftests/kvm/lib/{s390x => s390}/processor.c | 0
> tools/testing/selftests/kvm/lib/{s390x => s390}/ucall.c | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/apic.c | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/handlers.S | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/hyperv.c | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/memstress.c | 2 +-
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/pmu.c | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/processor.c | 2 -
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/sev.c | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/svm.c | 1 -
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/ucall.c | 0
> tools/testing/selftests/kvm/lib/{x86_64 => x86}/vmx.c | 2 -
> tools/testing/selftests/kvm/{max_guest_memory_test.c => mmu_stress_test.c} | 162 ++++++++++++++++++++++++++++++++++----
> tools/testing/selftests/kvm/riscv/arch_timer.c | 2 +-
> tools/testing/selftests/kvm/riscv/ebreak_test.c | 2 +-
> tools/testing/selftests/kvm/riscv/sbi_pmu_test.c | 2 +-
> tools/testing/selftests/kvm/{s390x => s390}/cmma_test.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/config | 0
> tools/testing/selftests/kvm/{s390x => s390}/cpumodel_subfuncs_test.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/debug_test.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/memop.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/resets.c | 2 +-
> tools/testing/selftests/kvm/{s390x => s390}/shared_zeropage_test.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/sync_regs_test.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/tprot.c | 0
> tools/testing/selftests/kvm/{s390x => s390}/ucontrol_test.c | 0
> tools/testing/selftests/kvm/set_memory_region_test.c | 6 +-
> tools/testing/selftests/kvm/steal_time.c | 3 +-
> tools/testing/selftests/kvm/{x86_64 => x86}/amx_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/apic_bus_clock_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/cpuid_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/cr4_cpuid_sync_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/debug_regs.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/dirty_log_page_splitting_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/exit_on_emulation_failure_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/feature_msrs_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/fix_hypercall_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/flds_emulation.h | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hwcr_msr_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_clock.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_cpuid.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_evmcs.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_extended_hypercalls.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_features.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_ipi.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_svm_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_tlb_flush.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/kvm_clock_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/kvm_pv_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/max_vcpuid_cap_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/monitor_mwait_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/nested_exceptions_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/nx_huge_pages_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/nx_huge_pages_test.sh | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/platform_info_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/pmu_counters_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/pmu_event_filter_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/private_mem_conversions_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/private_mem_kvm_exits_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/recalc_apic_map_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/set_boot_cpu_id.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/set_sregs_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/sev_init2_tests.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/sev_migrate_tests.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/sev_smoke_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/smaller_maxphyaddr_emulation_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/smm_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/state_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/svm_int_ctl_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/svm_nested_shutdown_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/svm_nested_soft_inject_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/svm_vmcall_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/sync_regs_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/triple_fault_event_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/tsc_msrs_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/tsc_scaling_sync.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/ucna_injection_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/userspace_io_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/userspace_msr_exit_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_apic_access_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_close_while_nested_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_dirty_log_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_exception_with_invalid_guest_state.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_invalid_nested_guest_state.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_msrs_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_nested_tsc_scaling_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_pmu_caps_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_preemption_timer_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_set_nested_state_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/vmx_tsc_adjust_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/xapic_ipi_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/xapic_state_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/xcr0_cpuid_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/xen_shinfo_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/xen_vmcall_test.c | 0
> tools/testing/selftests/kvm/{x86_64 => x86}/xss_msr_test.c | 0
> 164 files changed, 587 insertions(+), 480 deletions(-)
> create mode 100644 tools/testing/selftests/kvm/Makefile.kvm
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/aarch32_id_regs.c (95%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/arch_timer.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/arch_timer_edge_cases.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/debug-exceptions.c (99%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/get-reg-list.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/hypercalls.c (98%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/mmio_abort.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/no-vgic-v3.c (98%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/page_fault_test.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/psci_test.c (96%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/set_id_regs.c (97%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/smccc_filter.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/vcpu_width_config.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/vgic_init.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/vgic_irq.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/vgic_lpi_stress.c (100%)
> rename tools/testing/selftests/kvm/{aarch64 => arm64}/vpmu_counter_access.c (97%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/arch_timer.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/delay.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/gic.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/gic_v3.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/gic_v3_its.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/kvm_util_arch.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/processor.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/spinlock.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/ucall.h (100%)
> rename tools/testing/selftests/kvm/include/{aarch64 => arm64}/vgic.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/debug_print.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/diag318_test_handler.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/facility.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/kvm_util_arch.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/processor.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/sie.h (100%)
> rename tools/testing/selftests/kvm/include/{s390x => s390}/ucall.h (100%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/apic.h (98%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/evmcs.h (99%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/hyperv.h (99%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/kvm_util_arch.h (100%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/mce.h (94%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/pmu.h (100%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/processor.h (99%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/sev.h (100%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/svm.h (98%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/svm_util.h (94%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/ucall.h (100%)
> rename tools/testing/selftests/kvm/include/{x86_64 => x86}/vmx.h (99%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic.c (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic_private.h (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic_v3.c (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/gic_v3_its.c (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/handlers.S (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/processor.c (98%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/spinlock.c (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/ucall.c (100%)
> rename tools/testing/selftests/kvm/lib/{aarch64 => arm64}/vgic.c (100%)
> rename tools/testing/selftests/kvm/lib/{s390x => s390}/diag318_test_handler.c (100%)
> rename tools/testing/selftests/kvm/lib/{s390x => s390}/facility.c (100%)
> rename tools/testing/selftests/kvm/lib/{s390x => s390}/processor.c (100%)
> rename tools/testing/selftests/kvm/lib/{s390x => s390}/ucall.c (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/apic.c (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/handlers.S (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/hyperv.c (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/memstress.c (98%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/pmu.c (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/processor.c (99%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/sev.c (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/svm.c (99%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/ucall.c (100%)
> rename tools/testing/selftests/kvm/lib/{x86_64 => x86}/vmx.c (99%)
> rename tools/testing/selftests/kvm/{max_guest_memory_test.c => mmu_stress_test.c} (60%)
> rename tools/testing/selftests/kvm/{s390x => s390}/cmma_test.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/config (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/cpumodel_subfuncs_test.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/debug_test.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/memop.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/resets.c (99%)
> rename tools/testing/selftests/kvm/{s390x => s390}/shared_zeropage_test.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/sync_regs_test.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/tprot.c (100%)
> rename tools/testing/selftests/kvm/{s390x => s390}/ucontrol_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/amx_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/apic_bus_clock_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/cpuid_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/cr4_cpuid_sync_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/debug_regs.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/dirty_log_page_splitting_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/exit_on_emulation_failure_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/feature_msrs_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/fix_hypercall_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/flds_emulation.h (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hwcr_msr_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_clock.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_cpuid.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_evmcs.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_extended_hypercalls.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_features.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_ipi.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_svm_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/hyperv_tlb_flush.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/kvm_clock_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/kvm_pv_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/max_vcpuid_cap_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/monitor_mwait_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/nested_exceptions_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/nx_huge_pages_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/nx_huge_pages_test.sh (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/platform_info_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/pmu_counters_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/pmu_event_filter_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/private_mem_conversions_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/private_mem_kvm_exits_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/recalc_apic_map_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/set_boot_cpu_id.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/set_sregs_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/sev_init2_tests.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/sev_migrate_tests.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/sev_smoke_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/smaller_maxphyaddr_emulation_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/smm_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/state_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/svm_int_ctl_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/svm_nested_shutdown_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/svm_nested_soft_inject_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/svm_vmcall_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/sync_regs_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/triple_fault_event_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/tsc_msrs_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/tsc_scaling_sync.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/ucna_injection_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/userspace_io_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/userspace_msr_exit_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_apic_access_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_close_while_nested_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_dirty_log_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_exception_with_invalid_guest_state.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_invalid_nested_guest_state.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_msrs_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_nested_tsc_scaling_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_pmu_caps_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_preemption_timer_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_set_nested_state_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/vmx_tsc_adjust_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/xapic_ipi_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/xapic_state_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/xcr0_cpuid_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/xen_shinfo_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/xen_vmcall_test.c (100%)
> rename tools/testing/selftests/kvm/{x86_64 => x86}/xss_msr_test.c (100%)
>