Message ID | 20230224081105.2106665-1-pbonzini@redhat.com |
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[GIT,PULL] KVM changes for Linux 6.3 merge window
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Pull-request
https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linusCommit Message
Paolo Bonzini
Feb. 24, 2023, 8:11 a.m. UTC
Linus, The following changes since commit 9442d05bba6c12749fdc4039eddcf801398ec82b: arm64/sme: Fix __finalise_el2 SMEver check (2023-02-06 16:34:29 +0000) are available in the Git repository at: https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus for you to fetch changes up to 45dd9bc75d9adc9483f0c7d662ba6e73ed698a0b: KVM: SVM: hyper-v: placate modpost section mismatch error (2023-02-22 13:32:07 -0500) The common topic branches with other trees have all been merged already, hence the slightly weird "since commit" line that git chose above. There are small conflicts in arch/x86's cpuid lists. I include the conflict resolution after the diffstat. Also, the following drivers/ changes stand out in the diffstat: - virtualization-related features for the vGIC of Apple's interrupt controller and for the RISC-V PMU (event->attr.exclude_{hv,guest}) - a s390 virtio-ccw change that technically should have been included in Michael Tsirkin's virtio tree, or simply through the s390 tree. But the author (Alexander Gordeev) _is_ an s390 maintainer so please give him a pass. :) ---------------------------------------------------------------- ARM: - Provide a virtual cache topology to the guest to avoid inconsistencies with migration on heterogenous systems. Non secure software has no practical need to traverse the caches by set/way in the first place. - Add support for taking stage-2 access faults in parallel. This was an accidental omission in the original parallel faults implementation, but should provide a marginal improvement to machines w/o FEAT_HAFDBS (such as hardware from the fruit company). - A preamble to adding support for nested virtualization to KVM, including vEL2 register state, rudimentary nested exception handling and masking unsupported features for nested guests. - Fixes to the PSCI relay that avoid an unexpected host SVE trap when resuming a CPU when running pKVM. - VGIC maintenance interrupt support for the AIC - Improvements to the arch timer emulation, primarily aimed at reducing the trap overhead of running nested. - Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the interest of CI systems. - Avoid VM-wide stop-the-world operations when a vCPU accesses its own redistributor. - Serialize when toggling CPACR_EL1.SMEN to avoid unexpected exceptions in the host. - Aesthetic and comment/kerneldoc fixes - Drop the vestiges of the old Columbia mailing list and add [Oliver] as co-maintainer This also drags in arm64's 'for-next/sme2' branch, because both it and the PSCI relay changes touch the EL2 initialization code. RISC-V: - Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE - Correctly place the guest in S-mode after redirecting a trap to the guest - Redirect illegal instruction traps to guest - SBI PMU support for guest s390: - Two patches sorting out confusion between virtual and physical addresses, which currently are the same on s390. - A new ioctl that performs cmpxchg on guest memory - A few fixes x86: - Change tdp_mmu to a read-only parameter - Separate TDP and shadow MMU page fault paths - Enable Hyper-V invariant TSC control - Fix a variety of APICv and AVIC bugs, some of them real-world, some of them affecting architecurally legal but unlikely to happen in practice - Mark APIC timer as expired if its in one-shot mode and the count underflows while the vCPU task was being migrated - Advertise support for Intel's new fast REP string features - Fix a double-shootdown issue in the emergency reboot code - Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give SVM similar treatment to VMX - Update Xen's TSC info CPUID sub-leaves as appropriate - Add support for Hyper-V's extended hypercalls, where "support" at this point is just forwarding the hypercalls to userspace - Clean up the kvm->lock vs. kvm->srcu sequences when updating the PMU and MSR filters - One-off fixes and cleanups - Fix and cleanup the range-based TLB flushing code, used when KVM is running on Hyper-V - Add support for filtering PMU events using a mask. If userspace wants to restrict heavily what events the guest can use, it can now do so without needing an absurd number of filter entries - Clean up KVM's handling of "PMU MSRs to save", especially when vPMU support is disabled - Add PEBS support for Intel Sapphire Rapids - Fix a mostly benign overflow bug in SEV's send|receive_update_data() - Move several SVM-specific flags into vcpu_svm x86 Intel: - Handle NMI VM-Exits before leaving the noinstr region - A few trivial cleanups in the VM-Enter flows - Stop enabling VMFUNC for L1 purely to document that KVM doesn't support EPTP switching (or any other VM function) for L1 - Fix a crash when using eVMCS's enlighted MSR bitmaps Generic: - Clean up the hardware enable and initialization flow, which was scattered around multiple arch-specific hooks. Instead, just let the arch code call into generic code. Both x86 and ARM should benefit from not having to fight common KVM code's notion of how to do initialization. - Account allocations in generic kvm_arch_alloc_vm() - Fix a memory leak if coalesced MMIO unregistration fails selftests: - On x86, cache the CPU vendor (AMD vs. Intel) and use the info to emit the correct hypercall instruction instead of relying on KVM to patch in VMMCALL - Use TAP interface for kvm_binary_stats_test and tsc_msrs_test ---------------------------------------------------------------- Aaron Lewis (8): KVM: x86/pmu: Correct the mask used in a pmu event filter lookup KVM: x86/pmu: Remove impossible events from the pmu event filter KVM: x86/pmu: prepare the pmu event filter for masked events KVM: x86/pmu: Introduce masked events to the pmu event filter KVM: selftests: Add flags when creating a pmu event filter KVM: selftests: Add testing for KVM_SET_PMU_EVENT_FILTER KVM: selftests: Test masked events in PMU filter KVM: selftests: Fix a typo in the vcpu_msrs_set assert Akihiko Odaki (6): arm64/sysreg: Convert CCSIDR_EL1 to automatic generation arm64/sysreg: Add CCSIDR2_EL1 arm64/cache: Move CLIDR macro definitions KVM: arm64: Always set HCR_TID2 KVM: arm64: Mask FEAT_CCIDX KVM: arm64: Normalize cache configuration Alexander Gordeev (1): s390/virtio: sort out physical vs virtual pointers usage Alexandre Ghiti (1): KVM: RISC-V: Fix wrong usage of PGDIR_SIZE to check page sizes Alexandru Matei (1): KVM: VMX: Fix crash due to uninitialized current_vmcs Alexey Dobriyan (2): KVM: account allocation in generic version of kvm_arch_alloc_vm() KVM: VMX: don't use "unsigned long" in vmx_vcpu_enter_exit() Andy Chiu (1): RISC-V: KVM: Redirect illegal instruction traps to guest Anish Ghulati (1): KVM: SVM: Account scratch allocations used to decrypt SEV guest memory Anup Patel (1): RISC-V: KVM: Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect() Atish Patra (14): perf: RISC-V: Define helper functions expose hpm counter width and count perf: RISC-V: Improve privilege mode filtering for perf RISC-V: Improve SBI PMU extension related definitions RISC-V: KVM: Define a probe function for SBI extension data structures RISC-V: KVM: Return correct code for hsm stop function RISC-V: KVM: Modify SBI extension handler to return SBI error code RISC-V: KVM: Add skeleton support for perf RISC-V: KVM: Add SBI PMU extension support RISC-V: KVM: Make PMU functionality depend on Sscofpmf RISC-V: KVM: Disable all hpmcounter access for VS/VU mode RISC-V: KVM: Implement trap & emulate for hpmcounters RISC-V: KVM: Implement perf support without sampling RISC-V: KVM: Support firmware events RISC-V: KVM: Increment firmware pmu events Chao Gao (3): KVM: x86: Do compatibility checks when onlining CPU KVM: Rename and move CPUHP_AP_KVM_STARTING to ONLINE section KVM: Disable CPU hotplug during hardware enabling/disabling Christoffer Dall (6): KVM: arm64: nv: Introduce nested virtualization VCPU feature KVM: arm64: nv: Reset VCPU to EL2 registers if VCPU nested virt is set KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x KVM: arm64: nv: Add nested virt VCPU primitives for vEL2 VCPU state KVM: arm64: nv: Handle trapped ERET from virtual EL2 KVM: arm64: nv: Only toggle cache for virtual EL2 when SCTLR_EL2 changes Christophe JAILLET (2): KVM: arm64: vgic-v3: Use kstrtobool() instead of strtobool() KVM: x86/mmu: Use kstrtobool() instead of strtobool() David Matlack (22): KVM: x86/mmu: Change tdp_mmu to a read-only parameter KVM: x86/mmu: Move TDP MMU VM init/uninit behind tdp_mmu_enabled KVM: x86/mmu: Grab mmu_invalidate_seq in kvm_faultin_pfn() KVM: x86/mmu: Handle error PFNs in kvm_faultin_pfn() KVM: x86/mmu: Avoid memslot lookup during KVM_PFN_ERR_HWPOISON handling KVM: x86/mmu: Handle no-slot faults in kvm_faultin_pfn() KVM: x86/mmu: Initialize fault.{gfn,slot} earlier for direct MMUs KVM: x86/mmu: Split out TDP MMU page fault handling KVM: x86/mmu: Stop needlessly making MMU pages available for TDP MMU faults KVM: x86/mmu: Rename __direct_map() to direct_map() KVM: x86/mmu: Change tdp_mmu to a read-only parameter KVM: x86/mmu: Move TDP MMU VM init/uninit behind tdp_mmu_enabled KVM: x86/mmu: Grab mmu_invalidate_seq in kvm_faultin_pfn() KVM: x86/mmu: Handle error PFNs in kvm_faultin_pfn() KVM: x86/mmu: Avoid memslot lookup during KVM_PFN_ERR_HWPOISON handling KVM: x86/mmu: Handle no-slot faults in kvm_faultin_pfn() KVM: x86/mmu: Initialize fault.{gfn,slot} earlier for direct MMUs KVM: x86/mmu: Split out TDP MMU page fault handling KVM: x86/mmu: Stop needlessly making MMU pages available for TDP MMU faults KVM: x86/mmu: Rename __direct_map() to direct_map() KVM: x86: Replace cpu_dirty_logging_count with nr_memslots_dirty_logging KVM: x86/mmu: Make tdp_mmu_allowed static Emanuele Giuseppe Esposito (2): KVM: x86: Reinitialize xAPIC ID when userspace forces x2APIC => xAPIC KVM: selftests: Verify APIC_ID is set when forcing x2APIC=>xAPIC transition Gavin Shan (2): KVM: selftests: Remove duplicate VM creation in memslot_perf_test KVM: selftests: Assign guest page size in sync area early in memslot_perf_test Greg Edwards (1): KVM: x86: Allow APICv APIC ID inhibit to be cleared Hou Wenlong (6): KVM: x86/mmu: Move round_gfn_for_level() helper into mmu_internal.h KVM: x86/mmu: Fix wrong gfn range of tlb flushing in kvm_set_pte_rmapp() KVM: x86/mmu: Reduce gfn range of tlb flushing in tdp_mmu_map_handle_target_level() KVM: x86/mmu: Fix wrong start gfn of tlb flushing with range KVM: x86/mmu: Fix wrong gfn range of tlb flushing in validate_direct_spte() KVM: x86/mmu: Cleanup range-based flushing for given page Isaku Yamahata (3): KVM: Drop kvm_count_lock and instead protect kvm_usage_count with kvm_lock KVM: Remove on_each_cpu(hardware_disable_nolock) in kvm_exit() KVM: Make hardware_enable_failed a local variable in the "enable all" path Janis Schoetterl-Glausch (14): KVM: s390: selftest: memop: Pass mop_desc via pointer KVM: s390: selftest: memop: Replace macros by functions KVM: s390: selftest: memop: Move testlist into main KVM: s390: selftest: memop: Add bad address test KVM: s390: selftest: memop: Fix typo KVM: s390: selftest: memop: Fix wrong address being used in test KVM: s390: selftest: memop: Fix integer literal KVM: s390: Move common code of mem_op functions into function KVM: s390: Dispatch to implementing function at top level of vm mem_op KVM: s390: Refactor absolute vm mem_op function KVM: s390: Refactor vcpu mem_op function KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg Documentation: KVM: s390: Describe KVM_S390_MEMOP_F_CMPXCHG KVM: s390: selftest: memop: Add cmpxchg tests Janosch Frank (1): Merge remote-tracking branch 'l390-korg/cmpxchg_user_key' into kvm-next Jiapeng Chong (1): arm64/sysreg: clean up some inconsistent indenting Jim Mattson (2): x86/cpufeatures: Add macros for Intel's new fast rep string features KVM: x86: Advertise fast REP string features inherent to the CPU Jing Zhang (1): KVM: selftests: Stop assuming stats are contiguous in kvm_binary_stats_test Jintack Lim (7): arm64: Add ARM64_HAS_NESTED_VIRT cpufeature KVM: arm64: nv: Handle HCR_EL2.NV system register traps KVM: arm64: nv: Support virtual EL2 exceptions KVM: arm64: nv: Inject HVC exceptions to the virtual EL2 KVM: arm64: nv: Handle SMCs taken from virtual EL2 KVM: arm64: nv: Add accessors for SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2 KVM: arm64: nv: Emulate EL12 register accesses from the virtual EL2 Kees Cook (1): KVM: x86: Replace 0-length arrays with flexible arrays Lai Jiangshan (4): kvm: x86/mmu: Warn on linking when sp->unsync_children kvm: x86/mmu: Warn on linking when sp->unsync_children kvm: x86/mmu: Rename SPTE_TDP_AD_ENABLED_MASK to SPTE_TDP_AD_ENABLED kvm: x86/mmu: Don't clear write flooding for direct SP Li RongQing (1): KVM: x86: fire timer when it is migrated and expired, and in oneshot mode Like Xu (5): KVM: svm/avic: Drop "struct kvm_x86_ops" for avic_hardware_setup() KVM: x86/pmu: Drop event_type and rename "struct kvm_event_hw_type_mapping" KVM: x86/pmu: Don't tell userspace to save MSRs for non-existent fixed PMCs KVM: x86/pmu: Add PRIR++ and PDist support for SPR and later models perf/x86/intel: Expose EPT-friendly PEBS for SPR and future models Marc Zyngier (18): KVM: arm64: Simplify the CPUHP logic arm64: Allow the definition of UNKNOWN system register fields KVM: arm64: Kill CPACR_EL1_TTA definition KVM: arm64: vgic: Allow registration of a non-maskable maintenance interrupt irqchip/apple-aic: Register vgic maintenance interrupt with KVM KVM: arm64: vgic-v3: Limit IPI-ing when accessing GICR_{C,S}ACTIVER0 KVM: arm64: Drop Columbia-hosted mailing list KVM: arm64: Don't arm a hrtimer for an already pending timer KVM: arm64: Reduce overhead of trapped timer sysreg accesses KVM: arm64: timers: Don't BUG() on unhandled timer trap irqchip/apple-aic: Correctly map the vgic maintenance interrupt KVM: arm64: Fix non-kerneldoc comments KVM: arm64: Use the S2 MMU context to iterate over S2 table KVM: arm64: nv: Add EL2 system registers to vcpu context KVM: arm64: nv: Emulate PSTATE.M for a guest hypervisor KVM: arm64: nv: Allow a sysreg to be hidden from userspace only KVM: arm64: nv: Filter out unsupported features from ID regs Merge tag ' https://github.com/oupton/linux tags/kvmarm-6.3' from into kvmarm-master/next Mark Brown (1): KVM: selftests: Enable USERFAULTFD Maxim Levitsky (4): KVM: nSVM: Don't sync tlb_ctl back to vmcb12 on nested VM-Exit KVM: x86: Move HF_GIF_MASK into "struct vcpu_svm" as "guest_gif" KVM: x86: Move HF_NMI_MASK and HF_IRET_MASK into "struct vcpu_svm" KVM: x86: Use emulator callbacks instead of duplicating "host flags" Michal Luczaj (9): KVM: x86/emulator: Fix segment load privilege level validation KVM: x86/emulator: Fix comment in __load_segment_descriptor() KVM: x86: Optimize kvm->lock and SRCU interaction (KVM_SET_PMU_EVENT_FILTER) KVM: x86: Optimize kvm->lock and SRCU interaction (KVM_X86_SET_MSR_FILTER) KVM: x86: Simplify msr_filter update KVM: x86: Explicitly state lockdep condition of msr_filter update KVM: x86: Remove unnecessary initialization in kvm_vm_ioctl_set_msr_filter() KVM: x86: Simplify msr_io() KVM: selftests: Clean up misnomers in xen_shinfo_test Nianyao Tang (1): KVM: arm64: Synchronize SMEN on vcpu schedule out Nico Boehr (2): KVM: s390: disable migration mode when dirty tracking is disabled KVM: s390: GISA: sort out physical vs virtual pointers usage Nina Schoetterl-Glausch (1): KVM: selftests: Compile s390 tests with -march=z10 Oliver Upton (19): KVM: arm64: Use KVM's pte type/helpers in handle_access_fault() KVM: arm64: Ignore EAGAIN for walks outside of a fault KVM: arm64: Return EAGAIN for invalid PTE in attr walker KVM: arm64: Don't serialize if the access flag isn't set KVM: arm64: Handle access faults behind the read lock KVM: arm64: Condition HW AF updates on config option MAINTAINERS: Add Oliver Upton as co-maintainer of KVM/arm64 KVM: arm64: Mark some VM-scoped allocations as __GFP_ACCOUNT KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID Merge branch kvm/kvm-hw-enable-refactor into kvmarm/next Merge branch arm64/for-next/sme2 into kvmarm/next Merge branch kvm-arm64/virtual-cache-geometry into kvmarm/next Merge branch kvm-arm64/parallel-access-faults into kvmarm/next Merge branch kvm-arm64/MAINTAINERS into kvmarm/next Merge branch kvm-arm64/nv-timer-improvements into kvmarm/next Merge branch kvm-arm64/psci-relay-fixes into kvmarm/next Merge branch kvm-arm64/apple-vgic-mi into kvmarm/next Merge branch kvm-arm64/misc into kvmarm/next Merge branch kvm-arm64/nv-prefix into kvmarm/next Paolo Bonzini (15): Merge branch 'kvm-late-6.1' into HEAD Merge branch 'kvm-hw-enable-refactor' into HEAD Merge branch 'kvm-v6.2-rc4-fixes' into HEAD Merge branch 'kvm-lapic-fix-and-cleanup' into HEAD Merge tag 'kvm-x86-generic-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-x86-misc-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-x86-mmu-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-x86-pmu-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-x86-selftests-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-x86-svm-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-x86-vmx-6.3' of https://github.com/kvm-x86/linux into HEAD Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD Merge tag 'kvm-s390-next-6.3-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD Merge tag 'kvmarm-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD Merge tag 'kvm-x86-apic-6.3' of https://github.com/kvm-x86/linux into HEAD Paul Durrant (2): KVM: x86/cpuid: generalize kvm_update_kvm_cpuid_base() and also capture limit KVM: x86/xen: update Xen CPUID Leaf 4 (tsc info) sub-leaves, if present Peter Gonda (1): KVM: SVM: Fix potential overflow in SEV's send|receive_update_data() Quentin Perret (4): KVM: arm64: Provide sanitized SYS_ID_AA64SMFR0_EL1 to nVHE KVM: arm64: Introduce finalise_el2_state macro KVM: arm64: Use sanitized values in __check_override in nVHE KVM: arm64: Finalise EL2 state from pKVM PSCI relay Randy Dunlap (1): KVM: SVM: hyper-v: placate modpost section mismatch error Reiji Watanabe (1): KVM: selftests: kvm_vm_elf_load() and elfhdr_get() should close fd Sean Christopherson (105): KVM: x86/mmu: Replace open coded usage of tdp_mmu_page with is_tdp_mmu_page() KVM: x86/mmu: Pivot on "TDP MMU enabled" to check if active MMU is TDP MMU KVM: x86/mmu: Pivot on "TDP MMU enabled" when handling direct page faults KVM: x86/mmu: Replace open coded usage of tdp_mmu_page with is_tdp_mmu_page() KVM: x86/mmu: Pivot on "TDP MMU enabled" to check if active MMU is TDP MMU KVM: x86/mmu: Pivot on "TDP MMU enabled" when handling direct page faults KVM: Register /dev/kvm as the _very_ last thing during initialization KVM: Initialize IRQ FD after arch hardware setup KVM: Allocate cpus_hardware_enabled after arch hardware setup KVM: Teardown VFIO ops earlier in kvm_exit() KVM: s390: Unwind kvm_arch_init() piece-by-piece() if a step fails KVM: s390: Move hardware setup/unsetup to init/exit KVM: x86: Do timer initialization after XCR0 configuration KVM: x86: Move hardware setup/unsetup to init/exit KVM: Drop arch hardware (un)setup hooks KVM: VMX: Reset eVMCS controls in VP assist page during hardware disabling KVM: VMX: Don't bother disabling eVMCS static key on module exit KVM: VMX: Move Hyper-V eVMCS initialization to helper KVM: x86: Move guts of kvm_arch_init() to standalone helper KVM: VMX: Do _all_ initialization before exposing /dev/kvm to userspace KVM: x86: Serialize vendor module initialization (hardware setup) KVM: arm64: Free hypervisor allocations if vector slot init fails KVM: arm64: Unregister perf callbacks if hypervisor finalization fails KVM: arm64: Do arm/arch initialization without bouncing through kvm_init() KVM: arm64: Mark kvm_arm_init() and its unique descendants as __init KVM: MIPS: Hardcode callbacks to hardware virtualization extensions KVM: MIPS: Setup VZ emulation? directly from kvm_mips_init() KVM: MIPS: Register die notifier prior to kvm_init() KVM: RISC-V: Do arch init directly in riscv_kvm_init() KVM: RISC-V: Tag init functions and data with __init, __ro_after_init KVM: PPC: Move processor compatibility check to module init KVM: s390: Do s390 specific init without bouncing through kvm_init() KVM: s390: Mark __kvm_s390_init() and its descendants as __init KVM: Drop kvm_arch_{init,exit}() hooks KVM: VMX: Make VMCS configuration/capabilities structs read-only after init KVM: x86: Do CPU compatibility checks in x86 code KVM: Drop kvm_arch_check_processor_compat() hook KVM: x86: Use KBUILD_MODNAME to specify vendor module name KVM: x86: Unify pr_fmt to use module name for all KVM modules KVM: VMX: Use current CPU's info to perform "disabled by BIOS?" checks KVM: x86: Do VMX/SVM support checks directly in vendor code KVM: VMX: Shuffle support checks and hardware enabling code around KVM: SVM: Check for SVM support in CPU compatibility checks KVM: x86: Move CPU compat checks hook to kvm_x86_ops (from kvm_x86_init_ops) KVM: Ensure CPU is stable during low level hardware enable/disable KVM: Use a per-CPU variable to track which CPUs have enabled virtualization KVM: Register syscore (suspend/resume) ops early in kvm_init() KVM: Opt out of generic hardware enabling on s390 and PPC KVM: Clean up error labels in kvm_init() KVM: x86: Blindly get current x2APIC reg value on "nodecode write" traps KVM: x86: Purge "highest ISR" cache when updating APICv state KVM: SVM: Flush the "current" TLB when activating AVIC KVM: SVM: Process ICR on AVIC IPI delivery failure due to invalid target KVM: x86: Don't inhibit APICv/AVIC on xAPIC ID "change" if APIC is disabled KVM: x86: Don't inhibit APICv/AVIC if xAPIC ID mismatch is due to 32-bit ID KVM: SVM: Don't put/load AVIC when setting virtual APIC mode KVM: x86: Handle APICv updates for APIC "mode" changes via request KVM: x86: Move APIC access page helper to common x86 code KVM: x86: Inhibit APIC memslot if x2APIC and AVIC are enabled KVM: SVM: Replace "avic_mode" enum with "x2avic_enabled" boolean KVM: SVM: Compute dest based on sender's x2APIC status for AVIC kick Revert "KVM: SVM: Use target APIC ID to complete x2AVIC IRQs when possible" KVM: SVM: Document that vCPU ID == APIC ID in AVIC kick fastpatch KVM: SVM: Add helper to perform final AVIC "kick" of single vCPU KVM: x86: Explicitly skip optimized logical map setup if vCPU's LDR==0 KVM: x86: Explicitly track all possibilities for APIC map's logical modes KVM: x86: Skip redundant x2APIC logical mode optimized cluster setup KVM: x86: Disable APIC logical map if logical ID covers multiple MDAs KVM: x86: Disable APIC logical map if vCPUs are aliased in logical mode KVM: x86: Honor architectural behavior for aliased 8-bit APIC IDs KVM: x86: Inhibit APICv/AVIC if the optimized physical map is disabled KVM: SVM: Inhibit AVIC if vCPUs are aliased in logical mode KVM: SVM: Always update local APIC on writes to logical dest register KVM: SVM: Update svm->ldr_reg cache even if LDR is "bad" KVM: SVM: Require logical ID to be power-of-2 for AVIC entry KVM: SVM: Handle multiple logical targets in AVIC kick fastpath KVM: SVM: Ignore writes to Remote Read Data on AVIC write traps Revert "KVM: SVM: Do not throw warning when calling avic_vcpu_load on a running vcpu" KVM: x86: Track required APICv inhibits with variable, not callback KVM: x86: Add helpers to recalc physical vs. logical optimized APIC maps KVM: PPC: Fix refactoring goof in kvmppc_e500mc_init() KVM: x86: Inject #GP if WRMSR sets reserved bits in APIC Self-IPI KVM: x86: Inject #GP on x2APIC WRMSR that sets reserved bits 63:32 KVM: x86: Mark x2APIC DFR reg as non-existent for x2APIC KVM: x86: Split out logic to generate "readable" APIC regs mask to helper KVM: VMX: Always intercept accesses to unsupported "extended" x2APIC regs KVM: VMX: Intercept reads to invalid and write-only x2APIC registers x86/crash: Disable virt in core NMI crash handler to avoid double shootdown x86/virt: Force GIF=1 prior to disabling SVM (for reboot flows) x86/reboot: Disable virtualization in an emergency if SVM is supported x86/reboot: Disable SVM, not just VMX, when stopping CPUs KVM: VMX: Access @flags as a 32-bit value in __vmx_vcpu_run() KVM: x86: Make vmx_get_exit_qual() and vmx_get_intr_info() noinstr-friendly KVM: VMX: Allow VM-Fail path of VMREAD helper to be instrumented KVM: VMX: Always inline eVMCS read/write helpers KVM: VMX: Always inline to_vmx() and to_kvm_vmx() x86/entry: KVM: Use dedicated VMX NMI entry for 32-bit kernels too KVM: VMX: Provide separate subroutines for invoking NMI vs. IRQ handlers KVM: VMX: Handle NMI VM-Exits in noinstr region KVM: x86/pmu: Cap kvm_pmu_cap.num_counters_gp at KVM's internal max KVM: x86/pmu: Gate all "unimplemented MSR" prints on report_ignored_msrs KVM: x86/pmu: Use separate array for defining "PMU MSRs to save" KVM: x86/pmu: Don't tell userspace to save PMU MSRs if PMU is disabled KVM: x86/pmu: Provide "error" semantics for unsupported-but-known PMU MSRs KVM: Destroy target device if coalesced MMIO unregistration fails Shaoqin Huang (3): KVM: selftests: Remove redundant setbuf() selftests: KVM: Replace optarg with arg in guest_modes_cmdline KVM: selftests: Remove duplicate macro definition Suravee Suthikulpanit (1): KVM: SVM: Fix x2APIC Logical ID calculation for avic_kick_target_vcpus_fast Thomas Huth (4): KVM: selftests: Use TAP interface in the kvm_binary_stats_test KVM: selftests: x86: Use TAP interface in the tsc_msrs_test KVM: selftests: Use TAP interface in the kvm_binary_stats_test KVM: selftests: x86: Use TAP interface in the tsc_msrs_test Vipin Sharma (5): KVM: x86: hyper-v: Use common code for hypercall userspace exit KVM: x86: hyper-v: Add extended hypercall support in Hyper-v KVM: selftests: Test Hyper-V extended hypercall enablement KVM: selftests: Replace hardcoded Linux OS id with HYPERV_LINUX_OS_ID KVM: selftests: Test Hyper-V extended hypercall exit to userspace Vishal Annapurve (3): KVM: selftests: x86: Use "this_cpu" prefix for cpu vendor queries KVM: selftests: x86: Cache host CPU vendor (AMD vs. Intel) KVM: selftests: x86: Use host's native hypercall instruction in kvm_hypercall() Vitaly Kuznetsov (22): KVM: nVMX: Sanitize primary processor-based VM-execution controls with eVMCS too KVM: nVMX: Invert 'unsupported by eVMCSv1' check KVM: nVMX: Prepare to sanitize tertiary execution controls with eVMCS KVM: VMX: Resurrect vmcs_conf sanitization for KVM-on-Hyper-V x86/hyperv: Add HV_EXPOSE_INVARIANT_TSC define KVM: x86: Add a KVM-only leaf for CPUID_8000_0007_EDX KVM: x86: Hyper-V invariant TSC control KVM: selftests: Rename 'msr->available' to 'msr->fault_exepected' in hyperv_features test KVM: selftests: Convert hyperv_features test to using KVM_X86_CPU_FEATURE() KVM: selftests: Test that values written to Hyper-V MSRs are preserved KVM: selftests: Test Hyper-V invariant TSC control KVM: nVMX: Sanitize primary processor-based VM-execution controls with eVMCS too KVM: nVMX: Invert 'unsupported by eVMCSv1' check KVM: nVMX: Prepare to sanitize tertiary execution controls with eVMCS KVM: VMX: Resurrect vmcs_conf sanitization for KVM-on-Hyper-V x86/hyperv: Add HV_EXPOSE_INVARIANT_TSC define KVM: x86: Add a KVM-only leaf for CPUID_8000_0007_EDX KVM: x86: Hyper-V invariant TSC control KVM: selftests: Rename 'msr->available' to 'msr->fault_exepected' in hyperv_features test KVM: selftests: Convert hyperv_features test to using KVM_X86_CPU_FEATURE() KVM: selftests: Test that values written to Hyper-V MSRs are preserved KVM: selftests: Test Hyper-V invariant TSC control Wang Liang (1): kvm_host.h: fix spelling typo in function declaration Wang Yong (1): KVM: update code comment in struct kvm_vcpu Wei Liu (1): KVM: x86/mmu: fix an incorrect comment in kvm_mmu_new_pgd() Yu Zhang (3): KVM: MMU: Make the definition of 'INVALID_GPA' common KVM: VMX: Do not trap VMFUNC instructions for L1 guests. KVM: nVMX: Simplify the setting of SECONDARY_EXEC_ENABLE_VMFUNC for nested. ye xingchen (1): KVM: x86: Replace IS_ERR() with IS_ERR_VALUE() zhang songyi (3): KVM: x86: remove redundant ret variable KVM: x86/xen: Remove unneeded semicolon KVM: SVM: remove redundant ret variable Documentation/admin-guide/kernel-parameters.txt | 7 +- Documentation/virt/kvm/api.rst | 124 +++- Documentation/virt/kvm/devices/vm.rst | 4 + Documentation/virt/kvm/locking.rst | 25 +- Documentation/virt/kvm/x86/errata.rst | 11 + MAINTAINERS | 3 +- arch/arm64/include/asm/cache.h | 9 + arch/arm64/include/asm/el2_setup.h | 99 +++ arch/arm64/include/asm/esr.h | 4 + arch/arm64/include/asm/kvm_arm.h | 23 +- arch/arm64/include/asm/kvm_emulate.h | 70 ++- arch/arm64/include/asm/kvm_host.h | 67 +- arch/arm64/include/asm/kvm_hyp.h | 1 + arch/arm64/include/asm/kvm_mmu.h | 15 +- arch/arm64/include/asm/kvm_nested.h | 20 + arch/arm64/include/asm/kvm_pgtable.h | 8 + arch/arm64/include/asm/sysreg.h | 39 +- arch/arm64/include/uapi/asm/kvm.h | 1 + arch/arm64/kernel/cacheinfo.c | 5 - arch/arm64/kernel/cpufeature.c | 25 + arch/arm64/kernel/hyp-stub.S | 86 +-- arch/arm64/kvm/Kconfig | 1 + arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arch_timer.c | 106 ++-- arch/arm64/kvm/arm.c | 109 ++-- arch/arm64/kvm/emulate-nested.c | 203 +++++++ arch/arm64/kvm/fpsimd.c | 1 + arch/arm64/kvm/guest.c | 6 + arch/arm64/kvm/handle_exit.c | 47 +- arch/arm64/kvm/hyp/exception.c | 48 +- arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 21 +- arch/arm64/kvm/hyp/nvhe/hyp-init.S | 1 + arch/arm64/kvm/hyp/nvhe/sys_regs.c | 1 + arch/arm64/kvm/hyp/pgtable.c | 43 +- arch/arm64/kvm/hyp/vhe/switch.c | 26 +- arch/arm64/kvm/hypercalls.c | 2 +- arch/arm64/kvm/inject_fault.c | 61 +- arch/arm64/kvm/mmu.c | 46 +- arch/arm64/kvm/nested.c | 161 +++++ arch/arm64/kvm/pvtime.c | 8 +- arch/arm64/kvm/reset.c | 25 +- arch/arm64/kvm/sys_regs.c | 459 ++++++++++---- arch/arm64/kvm/sys_regs.h | 14 +- arch/arm64/kvm/trace_arm.h | 59 ++ arch/arm64/kvm/vgic/vgic-init.c | 21 +- arch/arm64/kvm/vgic/vgic-mmio.c | 13 +- arch/arm64/kvm/vgic/vgic-v3.c | 9 +- arch/arm64/kvm/vmid.c | 6 +- arch/arm64/tools/cpucaps | 1 + arch/arm64/tools/gen-sysreg.awk | 20 +- arch/arm64/tools/sysreg | 17 + arch/mips/include/asm/kvm_host.h | 3 +- arch/mips/kvm/Kconfig | 1 + arch/mips/kvm/Makefile | 2 +- arch/mips/kvm/callback.c | 14 - arch/mips/kvm/mips.c | 34 +- arch/mips/kvm/vz.c | 7 +- arch/powerpc/include/asm/kvm_host.h | 3 - arch/powerpc/include/asm/kvm_ppc.h | 1 - arch/powerpc/kvm/book3s.c | 12 +- arch/powerpc/kvm/booke.c | 2 +- arch/powerpc/kvm/e500.c | 6 +- arch/powerpc/kvm/e500mc.c | 8 +- arch/powerpc/kvm/powerpc.c | 20 - arch/riscv/include/asm/kvm_host.h | 11 +- arch/riscv/include/asm/kvm_vcpu_pmu.h | 107 ++++ arch/riscv/include/asm/kvm_vcpu_sbi.h | 13 +- arch/riscv/include/asm/sbi.h | 7 +- arch/riscv/kvm/Kconfig | 1 + arch/riscv/kvm/Makefile | 1 + arch/riscv/kvm/main.c | 26 +- arch/riscv/kvm/mmu.c | 20 +- arch/riscv/kvm/tlb.c | 4 + arch/riscv/kvm/vcpu.c | 7 + arch/riscv/kvm/vcpu_exit.c | 9 + arch/riscv/kvm/vcpu_insn.c | 4 +- arch/riscv/kvm/vcpu_pmu.c | 633 +++++++++++++++++++ arch/riscv/kvm/vcpu_sbi.c | 72 ++- arch/riscv/kvm/vcpu_sbi_base.c | 27 +- arch/riscv/kvm/vcpu_sbi_hsm.c | 28 +- arch/riscv/kvm/vcpu_sbi_pmu.c | 86 +++ arch/riscv/kvm/vcpu_sbi_replace.c | 50 +- arch/riscv/kvm/vcpu_sbi_v01.c | 17 +- arch/riscv/kvm/vmid.c | 4 +- arch/s390/include/asm/kvm_host.h | 1 - arch/s390/kvm/gaccess.c | 109 ++++ arch/s390/kvm/gaccess.h | 3 + arch/s390/kvm/interrupt.c | 13 +- arch/s390/kvm/kvm-s390.c | 348 ++++++----- arch/s390/kvm/kvm-s390.h | 2 +- arch/s390/kvm/pci.c | 2 +- arch/s390/kvm/pci.h | 2 +- arch/x86/events/intel/core.c | 1 + arch/x86/events/intel/ds.c | 4 +- arch/x86/include/asm/cpufeatures.h | 3 + arch/x86/include/asm/hyperv-tlfs.h | 3 + arch/x86/include/asm/idtentry.h | 16 +- arch/x86/include/asm/kvm-x86-ops.h | 2 +- arch/x86/include/asm/kvm_host.h | 109 ++-- arch/x86/include/asm/reboot.h | 2 + arch/x86/include/asm/virtext.h | 16 +- arch/x86/include/asm/xen/hypervisor.h | 4 +- arch/x86/include/uapi/asm/kvm.h | 34 +- arch/x86/kernel/cpu/mshyperv.c | 2 +- arch/x86/kernel/crash.c | 17 +- arch/x86/kernel/nmi.c | 8 +- arch/x86/kernel/reboot.c | 88 ++- arch/x86/kernel/smp.c | 6 +- arch/x86/kvm/Kconfig | 1 + arch/x86/kvm/cpuid.c | 43 +- arch/x86/kvm/debugfs.c | 2 + arch/x86/kvm/emulate.c | 18 +- arch/x86/kvm/hyperv.c | 85 ++- arch/x86/kvm/hyperv.h | 27 + arch/x86/kvm/i8254.c | 4 +- arch/x86/kvm/i8259.c | 4 +- arch/x86/kvm/ioapic.c | 1 + arch/x86/kvm/irq.c | 1 + arch/x86/kvm/irq_comm.c | 7 +- arch/x86/kvm/kvm_cache_regs.h | 12 + arch/x86/kvm/kvm_emulate.h | 7 +- arch/x86/kvm/kvm_onhyperv.c | 1 + arch/x86/kvm/lapic.c | 404 +++++++++---- arch/x86/kvm/lapic.h | 4 + arch/x86/kvm/mmu.h | 6 +- arch/x86/kvm/mmu/mmu.c | 320 ++++++---- arch/x86/kvm/mmu/mmu_internal.h | 22 +- arch/x86/kvm/mmu/page_track.c | 1 + arch/x86/kvm/mmu/paging_tmpl.h | 25 +- arch/x86/kvm/mmu/spte.c | 10 +- arch/x86/kvm/mmu/spte.h | 20 +- arch/x86/kvm/mmu/tdp_iter.c | 12 +- arch/x86/kvm/mmu/tdp_mmu.c | 20 +- arch/x86/kvm/mmu/tdp_mmu.h | 25 +- arch/x86/kvm/mtrr.c | 1 + arch/x86/kvm/pmu.c | 290 +++++++-- arch/x86/kvm/pmu.h | 13 +- arch/x86/kvm/reverse_cpuid.h | 7 + arch/x86/kvm/smm.c | 3 +- arch/x86/kvm/svm/avic.c | 374 +++++------- arch/x86/kvm/svm/nested.c | 5 +- arch/x86/kvm/svm/pmu.c | 4 + arch/x86/kvm/svm/sev.c | 7 +- arch/x86/kvm/svm/svm.c | 131 ++-- arch/x86/kvm/svm/svm.h | 58 +- arch/x86/kvm/svm/svm_onhyperv.c | 1 + arch/x86/kvm/svm/svm_onhyperv.h | 8 +- arch/x86/kvm/vmx/capabilities.h | 4 +- arch/x86/kvm/vmx/hyperv.c | 87 ++- arch/x86/kvm/vmx/hyperv.h | 128 ++-- arch/x86/kvm/vmx/nested.c | 24 +- arch/x86/kvm/vmx/pmu_intel.c | 28 +- arch/x86/kvm/vmx/posted_intr.c | 2 + arch/x86/kvm/vmx/sgx.c | 5 +- arch/x86/kvm/vmx/vmcs.h | 4 +- arch/x86/kvm/vmx/vmcs12.c | 1 + arch/x86/kvm/vmx/vmenter.S | 80 +-- arch/x86/kvm/vmx/vmx.c | 624 ++++++++++--------- arch/x86/kvm/vmx/vmx.h | 18 +- arch/x86/kvm/vmx/vmx_ops.h | 6 +- arch/x86/kvm/x86.c | 557 +++++++++-------- arch/x86/kvm/x86.h | 18 +- arch/x86/kvm/xen.c | 27 + arch/x86/kvm/xen.h | 7 + drivers/irqchip/irq-apple-aic.c | 53 +- drivers/perf/riscv_pmu_sbi.c | 64 +- drivers/s390/virtio/virtio_ccw.c | 46 +- include/kvm/arm_arch_timer.h | 6 +- include/kvm/arm_vgic.h | 4 + include/linux/cpuhotplug.h | 5 +- include/linux/kvm_host.h | 19 +- include/linux/kvm_types.h | 2 +- include/linux/perf/riscv_pmu.h | 5 + include/uapi/linux/kvm.h | 9 + tools/testing/selftests/kvm/Makefile | 4 + .../selftests/kvm/aarch64/page_fault_test.c | 2 - tools/testing/selftests/kvm/config | 1 + .../testing/selftests/kvm/include/x86_64/hyperv.h | 149 +++-- .../selftests/kvm/include/x86_64/processor.h | 31 +- .../testing/selftests/kvm/kvm_binary_stats_test.c | 21 +- tools/testing/selftests/kvm/lib/elf.c | 2 + tools/testing/selftests/kvm/lib/guest_modes.c | 2 +- tools/testing/selftests/kvm/lib/kvm_util.c | 4 +- tools/testing/selftests/kvm/lib/x86_64/processor.c | 46 +- tools/testing/selftests/kvm/memslot_perf_test.c | 5 +- tools/testing/selftests/kvm/s390x/memop.c | 672 ++++++++++++++++----- .../kvm/x86_64/exit_on_emulation_failure_test.c | 3 - .../selftests/kvm/x86_64/fix_hypercall_test.c | 4 +- tools/testing/selftests/kvm/x86_64/hyperv_clock.c | 2 +- .../kvm/x86_64/hyperv_extended_hypercalls.c | 97 +++ .../testing/selftests/kvm/x86_64/hyperv_features.c | 339 +++++++---- .../selftests/kvm/x86_64/mmio_warning_test.c | 2 +- .../selftests/kvm/x86_64/pmu_event_filter_test.c | 385 +++++++++++- tools/testing/selftests/kvm/x86_64/tsc_msrs_test.c | 16 +- .../vmx_exception_with_invalid_guest_state.c | 2 +- .../selftests/kvm/x86_64/xapic_state_test.c | 55 ++ .../testing/selftests/kvm/x86_64/xen_shinfo_test.c | 15 +- virt/kvm/Kconfig | 3 + virt/kvm/coalesced_mmio.c | 8 +- virt/kvm/kvm_main.c | 297 ++++----- 200 files changed, 7274 insertions(+), 2928 deletions(-) +++ b/arch/x86/include/asm/cpufeatures.h @@@ -314,8 -312,9 +314,11 @@@ #define X86_FEATURE_AVX_VNNI (12*32+ 4) /* AVX VNNI instructions */ #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* AVX512 BFLOAT16 instructions */ #define X86_FEATURE_CMPCCXADD (12*32+ 7) /* "" CMPccXADD instructions */ +#define X86_FEATURE_ARCH_PERFMON_EXT (12*32+ 8) /* "" Intel Architectural PerfMon Extension */ + #define X86_FEATURE_FZRM (12*32+10) /* "" Fast zero-length REP MOVSB */ + #define X86_FEATURE_FSRS (12*32+11) /* "" Fast short REP STOSB */ + #define X86_FEATURE_FSRC (12*32+12) /* "" Fast short REP {CMPSB,SCASB} */ +#define X86_FEATURE_LKGS (12*32+18) /* "" Load "kernel" (userspace) GS */ #define X86_FEATURE_AMX_FP16 (12*32+21) /* "" AMX fp16 Support */ #define X86_FEATURE_AVX_IFMA (12*32+23) /* "" Support for VPMADD52[H,L]UQ */ +++ b/arch/x86/kvm/reverse_cpuid.h @@@ -68,7 -72,7 +72,8 @@@ static const struct cpuid_reg reverse_c [CPUID_12_EAX] = {0x00000012, 0, CPUID_EAX}, [CPUID_8000_001F_EAX] = {0x8000001f, 0, CPUID_EAX}, [CPUID_7_1_EDX] = { 7, 1, CPUID_EDX}, + [CPUID_8000_0007_EDX] = {0x80000007, 0, CPUID_EDX}, + [CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX}, }; /*
Comments
The pull request you sent on Fri, 24 Feb 2023 03:11:05 -0500:
> https://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/49d575926890e6ada930bf6f06d62b2fde8fce95
Thank you!
diff --cc arch/x86/include/asm/cpufeatures.h index 389ea336258f,cdb7e1492311..000000000000 --- a/arch/x86/include/asm/cpufeatures.h diff --cc arch/x86/kvm/reverse_cpuid.h index 81f4e9ce0c77,4945456fd646..000000000000 --- a/arch/x86/kvm/reverse_cpuid.h