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Message-ID: <20251003131028.67395-1-pbonzini@redhat.com>
Date: Fri, 3 Oct 2025 09:10:27 -0400
From: Paolo Bonzini <pbonzini@...hat.com>
To: torvalds@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org,
kvm@...r.kernel.org
Subject: [GIT PULL] First batch of KVM changes for Linux 6.18
Linus,
The following changes since commit 07e27ad16399afcd693be20211b0dfae63e0615f:
Linux 6.17-rc7 (2025-09-21 15:08:52 -0700)
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 99cab80208809cb918d6e579e6165279096f058a:
Merge tag 'kvm-x86-generic-6.18' of https://github.com/kvm-x86/linux into HEAD (2025-09-30 13:27:59 -0400)
This excludes the bulk of the x86 changes, which I will send separately.
They have two not complex but relatively unusual conflicts so I will wait
for other dust to settle.
Paolo
----------------------------------------------------------------
guest_memfd:
* Add support for host userspace mapping of guest_memfd-backed memory for VM
types that do NOT use support KVM_MEMORY_ATTRIBUTE_PRIVATE (which isn't
precisely the same thing as CoCo VMs, since x86's SEV-MEM and SEV-ES have
no way to detect private vs. shared).
This lays the groundwork for removal of guest memory from the kernel direct
map, as well as for limited mmap() for guest_memfd-backed memory.
For more information see:
* a6ad54137af9 ("Merge branch 'guest-memfd-mmap' into HEAD", 2025-08-27)
* https://github.com/firecracker-microvm/firecracker/tree/feature/secret-hiding
(guest_memfd in Firecracker)
* https://lore.kernel.org/all/20250221160728.1584559-1-roypat@amazon.co.uk/
(direct map removal)
* https://lore.kernel.org/all/20250328153133.3504118-1-tabba@google.com/
(mmap support)
ARM:
* Add support for FF-A 1.2 as the secure memory conduit for pKVM,
allowing more registers to be used as part of the message payload.
* Change the way pKVM allocates its VM handles, making sure that the
privileged hypervisor is never tricked into using uninitialised
data.
* Speed up MMIO range registration by avoiding unnecessary RCU
synchronisation, which results in VMs starting much quicker.
* Add the dump of the instruction stream when panic-ing in the EL2
payload, just like the rest of the kernel has always done. This will
hopefully help debugging non-VHE setups.
* Add 52bit PA support to the stage-1 page-table walker, and make use
of it to populate the fault level reported to the guest on failing
to translate a stage-1 walk.
* Add NV support to the GICv3-on-GICv5 emulation code, ensuring
feature parity for guests, irrespective of the host platform.
* Fix some really ugly architecture problems when dealing with debug
in a nested VM. This has some bad performance impacts, but is at
least correct.
* Add enough infrastructure to be able to disable EL2 features and
give effective values to the EL2 control registers. This then allows
a bunch of features to be turned off, which helps cross-host
migration.
* Large rework of the selftest infrastructure to allow most tests to
transparently run at EL2. This is the first step towards enabling
NV testing.
* Various fixes and improvements all over the map, including one BE
fix, just in time for the removal of the feature.
LoongArch:
* Detect page table walk feature on new hardware
* Add sign extension with kernel MMIO/IOCSR emulation
* Improve in-kernel IPI emulation
* Improve in-kernel PCH-PIC emulation
* Move kvm_iocsr tracepoint out of generic code
RISC-V:
* Added SBI FWFT extension for Guest/VM with misaligned delegation and
pointer masking PMLEN features
* Added ONE_REG interface for SBI FWFT extension
* Added Zicbop and bfloat16 extensions for Guest/VM
* Enabled more common KVM selftests for RISC-V
* Added SBI v3.0 PMU enhancements in KVM and perf driver
s390:
* Improve interrupt cpu for wakeup, in particular the heuristic to decide
which vCPU to deliver a floating interrupt to.
* Clear the PTE when discarding a swapped page because of CMMA; this
bug was introduced in 6.16 when refactoring gmap code.
x86 selftests:
* Add #DE coverage in the fastops test (the only exception that's guest-
triggerable in fastop-emulated instructions).
* Fix PMU selftests errors encountered on Granite Rapids (GNR), Sierra
Forest (SRF) and Clearwater Forest (CWF).
* Minor cleanups and improvements
x86 (guest side):
* For the legacy PCI hole (memory between TOLUD and 4GiB) to UC when
overriding guest MTRR for TDX/SNP to fix an issue where ACPI auto-mapping
could map devices as WB and prevent the device drivers from mapping their
devices with UC/UC-.
* Make kvm_async_pf_task_wake() a local static helper and remove its
export.
* Use native qspinlocks when running in a VM with dedicated vCPU=>pCPU
bindings even when PV_UNHALT is unsupported.
Generic:
* Remove a redundant __GFP_NOWARN from kvm_setup_async_pf() as __GFP_NOWARN is
now included in GFP_NOWAIT.
----------------------------------------------------------------
Ackerley Tng (2):
KVM: x86/mmu: Rename .private_max_mapping_level() to .gmem_max_mapping_level()
KVM: x86/mmu: Handle guest page faults for guest_memfd with shared memory
Alexandru Elisei (1):
KVM: arm64: Update stale comment for sanitise_mte_tags()
Alok Tiwari (1):
KVM: selftests: Fix typo in hyperv cpuid test message
Anup Patel (6):
RISC-V: KVM: Set initial value of hedeleg in kvm_arch_vcpu_create()
RISC-V: KVM: Introduce feature specific reset for SBI FWFT
RISC-V: KVM: Introduce optional ONE_REG callbacks for SBI extensions
RISC-V: KVM: Move copy_sbi_ext_reg_indices() to SBI implementation
RISC-V: KVM: Implement ONE_REG interface for SBI FWFT state
KVM: riscv: selftests: Add SBI FWFT to get-reg-list test
Atish Patra (8):
drivers/perf: riscv: Add SBI v3.0 flag
drivers/perf: riscv: Add raw event v2 support
RISC-V: KVM: Add support for Raw event v2
drivers/perf: riscv: Implement PMU event info function
drivers/perf: riscv: Export PMU event info function
RISC-V: KVM: No need of explicit writable slot check
RISC-V: KVM: Implement get event info function
RISC-V: KVM: Upgrade the supported SBI version to 3.0
Ben Horgan (1):
KVM: arm64: Fix debug checking for np-guests using huge mappings
Bibo Mao (9):
LoongArch: KVM: Add PTW feature detection on new hardware
LoongArch: KVM: Add sign extension with kernel MMIO read emulation
LoongArch: KVM: Add sign extension with kernel IOCSR read emulation
LoongArch: KVM: Add implementation with IOCSR_IPI_SET
LoongArch: KVM: Access mailbox directly in mail_send()
LoongArch: KVM: Set version information at initial stage
LoongArch: KVM: Add IRR and ISR register read emulation
LoongArch: KVM: Add different length support in loongarch_pch_pic_read()
LoongArch: KVM: Add different length support in loongarch_pch_pic_write()
Christian Borntraeger (1):
KVM: s390: improve interrupt cpu for wakeup
Clément Léger (2):
RISC-V: KVM: add support for FWFT SBI extension
RISC-V: KVM: add support for SBI_FWFT_MISALIGNED_DELEG
Dapeng Mi (2):
KVM: selftests: Add timing_info bit support in vmx_pmu_caps_test
KVM: selftests: Validate more arch-events in pmu_counters_test
Dong Yang (1):
KVM: riscv: selftests: Add missing headers for new testcases
Fangyu Yu (1):
RISC-V: KVM: Write hgatp register with valid mode bits
Fuad Tabba (25):
KVM: Rename CONFIG_KVM_PRIVATE_MEM to CONFIG_KVM_GUEST_MEMFD
KVM: Rename CONFIG_KVM_GENERIC_PRIVATE_MEM to CONFIG_HAVE_KVM_ARCH_GMEM_POPULATE
KVM: Rename kvm_slot_can_be_private() to kvm_slot_has_gmem()
KVM: Fix comments that refer to slots_lock
KVM: Fix comment that refers to kvm uapi header path
KVM: x86: Enable KVM_GUEST_MEMFD for all 64-bit builds
KVM: guest_memfd: Add plumbing to host to map guest_memfd pages
KVM: guest_memfd: Track guest_memfd mmap support in memslot
KVM: arm64: Refactor user_mem_abort()
KVM: arm64: Handle guest_memfd-backed guest page faults
KVM: arm64: nv: Handle VNCR_EL2-triggered faults backed by guest_memfd
KVM: arm64: Enable support for guest_memfd backed memory
KVM: Allow and advertise support for host mmap() on guest_memfd files
KVM: selftests: Do not use hardcoded page sizes in guest_memfd test
KVM: selftests: guest_memfd mmap() test when mmap is supported
KVM: arm64: Add build-time check for duplicate DECLARE_REG use
KVM: arm64: Rename pkvm.enabled to pkvm.is_protected
KVM: arm64: Rename 'host_kvm' to 'kvm' in pKVM host code
KVM: arm64: Clarify comments to distinguish pKVM mode from protected VMs
KVM: arm64: Decouple hyp VM creation state from its handle
KVM: arm64: Separate allocation and insertion of pKVM VM table entries
KVM: arm64: Consolidate pKVM hypervisor VM initialization logic
KVM: arm64: Introduce separate hypercalls for pKVM VM reservation and initialization
KVM: arm64: Reserve pKVM handle during pkvm_init_host_vm()
KVM: arm64: Fix page leak in user_mem_abort()
Gautam Gala (1):
KVM: s390: Fix to clear PTE when discarding a swapped page
Gopi Krishna Menon (1):
KVM: selftests: fix minor typo in cpumodel_subfuncs
Guo Ren (Alibaba DAMO Academy) (2):
RISC-V: KVM: Remove unnecessary HGATP csr_read
RISC-V: KVM: Prevent HGATP_MODE_BARE passed
James Clark (1):
KVM: arm64: Add trap configs for PMSDSFR_EL1
James Houghton (1):
KVM: selftests: Fix signedness issue with vCPU mmap size check
Jinqian Yang (2):
KVM: arm64: Make ID_AA64MMFR1_EL1.{HCX, TWED} writable from userspace
KVM: arm64: selftests: Test writes to ID_AA64MMFR1_EL1.{HCX, TWED}
Keir Fraser (4):
KVM: arm64: vgic-init: Remove vgic_ready() macro
KVM: arm64: vgic: Explicitly implement vgic_dist::ready ordering
KVM: Implement barriers before accessing kvm->buses[] on SRCU read paths
KVM: Avoid synchronize_srcu() in kvm_io_bus_register_dev()
Li RongQing (1):
x86/kvm: Prefer native qspinlock for dedicated vCPUs irrespective of PV_UNHALT
Marc Zyngier (39):
Merge branch kvm-arm64/ffa-1.2 into kvmarm-master/next
Merge branch kvm-arm64/pkvm_vm_handle into kvmarm-master/next
KVM: arm64: Fix kvm_vcpu_{set,is}_be() to deal with EL2 state
Merge branch kvm-arm64/mmio-rcu into kvmarm-master/next
Merge branch kvm-arm64/dump-instr into kvmarm-master/next
KVM: arm64: Don't access ICC_SRE_EL2 if GICv3 doesn't support v2 compatibility
KVM: arm64: Remove duplicate FEAT_{SYSREG128,MTE2} descriptions
KVM: arm64: Add reg_feat_map_desc to describe full register dependency
KVM: arm64: Enforce absence of FEAT_FGT on FGT registers
KVM: arm64: Enforce absence of FEAT_FGT2 on FGT2 registers
KVM: arm64: Enforce absence of FEAT_HCX on HCRX_EL2
KVM: arm64: Convert HCR_EL2 RES0 handling to compute_reg_res0_bits()
KVM: arm64: Enforce absence of FEAT_SCTLR2 on SCTLR2_EL{1,2}
KVM: arm64: Enforce absence of FEAT_TCR2 on TCR2_EL2
KVM: arm64: Convert SCTLR_EL1 RES0 handling to compute_reg_res0_bits()
KVM: arm64: Convert MDCR_EL2 RES0 handling to compute_reg_res0_bits()
KVM: arm64: Add helper computing the state of 52bit PA support
KVM: arm64: Account for 52bit when computing maximum OA
KVM: arm64: Compute 52bit TTBR address and alignment
KVM: arm64: Decouple output address from the PT descriptor
KVM: arm64: Pass the walk_info structure to compute_par_s1()
KVM: arm64: Compute shareability for LPA2
KVM: arm64: Populate PAR_EL1 with 52bit addresses
KVM: arm64: Expand valid block mappings to FEAT_LPA/LPA2 support
KVM: arm64: Report faults from S1 walk setup at the expected start level
KVM: arm64: Allow use of S1 PTW for non-NV vcpus
KVM: arm64: Allow EL1 control registers to be accessed from the CPU state
KVM: arm64: Don't switch MMU on translation from non-NV context
KVM: arm64: Add filtering hook to S1 page table walk
KVM: arm64: Add S1 IPA to page table level walker
KVM: arm64: Populate level on S1PTW SEA injection
KVM: arm64: selftest: Expand external_aborts test to look for TTW levels
Merge branch kvm-arm64/52bit-at into kvmarm-master/next
Merge branch kvm-arm64/gic-v5-nv into kvmarm-master/next
Merge branch kvm-arm64/nv-debug into kvmarm-master/next
Merge branch kvm-arm64/el2-feature-control into kvmarm-master/next
Merge branch kvm-arm64/nv-misc-6.18 into kvmarm-master/next
Merge branch kvm-arm64/misc-6.18 into kvmarm-master/next
Merge branch kvm-arm64/selftests-6.18 into kvmarm-master/next
Mark Brown (3):
KVM: arm64: Expose FEAT_LSFE to guests
KVM: arm64: selftests: Remove a duplicate register listing in set_id_regs
KVM: arm64: selftests: Cover ID_AA64ISAR3_EL1 in set_id_regs
Mostafa Saleh (2):
KVM: arm64: Dump instruction on hyp panic
KVM: arm64: Map hyp text as RO and dump instr on panic
Oliver Upton (29):
KVM: arm64: nv: Trap debug registers when in hyp context
KVM: arm64: nv: Apply guest's MDCR traps in nested context
KVM: arm64: nv: Treat AMO as 1 when at EL2 and {E2H,TGE} = {1, 0}
KVM: arm64: nv: Allow userspace to de-feature stage-2 TGRANs
KVM: arm64: nv: Convert masks to denylists in limit_nv_id_reg()
KVM: arm64: nv: Don't erroneously claim FEAT_DoubleLock for NV VMs
KVM: arm64: nv: Expose FEAT_DF2 to NV-enabled VMs
KVM: arm64: nv: Expose FEAT_RASv1p1 via RAS_frac
KVM: arm64: nv: Expose FEAT_ECBHB to NV-enabled VMs
KVM: arm64: nv: Expose FEAT_AFP to NV-enabled VMs
KVM: arm64: nv: Exclude guest's TWED configuration when TWE isn't set
KVM: arm64: nv: Expose FEAT_TWED to NV-enabled VMs
KVM: arm64: nv: Advertise FEAT_SpecSEI to NV-enabled VMs
KVM: arm64: nv: Advertise FEAT_TIDCP1 to NV-enabled VMs
KVM: arm64: nv: Expose up to FEAT_Debugv8p8 to NV-enabled VMs
KVM: arm64: selftests: Provide kvm_arch_vm_post_create() in library code
KVM: arm64: selftests: Initialize VGICv3 only once
KVM: arm64: selftests: Add helper to check for VGICv3 support
KVM: arm64: selftests: Add unsanitised helpers for VGICv3 creation
KVM: arm64: selftests: Create a VGICv3 for 'default' VMs
KVM: arm64: selftests: Alias EL1 registers to EL2 counterparts
KVM: arm64: selftests: Provide helper for getting default vCPU target
KVM: arm64: selftests: Select SMCCC conduit based on current EL
KVM: arm64: selftests: Use hyp timer IRQs when test runs at EL2
KVM: arm64: selftests: Use the vCPU attr for setting nr of PMU counters
KVM: arm64: selftests: Initialize HCR_EL2
KVM: arm64: selftests: Enable EL2 by default
KVM: arm64: selftests: Add basic test for running in VHE EL2
KVM: arm64: selftests: Cope with arch silliness in EL2 selftest
Paolo Bonzini (10):
Merge tag 'kvm-x86-fixes-6.17-rc7' of https://github.com/kvm-x86/linux into HEAD
Merge branch 'guest-memfd-mmap' into HEAD
Merge tag 'kvm-s390-next-6.18-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
Merge tag 'kvmarm-fixes-6.17-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
Merge tag 'kvmarm-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
Merge tag 'kvm-riscv-6.18-1' of https://github.com/kvm-riscv/linux into HEAD
Merge tag 'loongarch-kvm-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
Merge tag 'kvm-x86-selftests-6.18' of https://github.com/kvm-x86/linux into HEAD
Merge tag 'kvm-x86-guest-6.18' of https://github.com/kvm-x86/linux into HEAD
Merge tag 'kvm-x86-generic-6.18' of https://github.com/kvm-x86/linux into HEAD
Per Larsen (6):
KVM: arm64: Correct return value on host version downgrade attempt
KVM: arm64: Use SMCCC 1.2 for FF-A initialization and in host handler
KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported
KVM: arm64: Mask response to FFA_FEATURE call
KVM: arm64: Bump the supported version of FF-A to 1.2
Qianfeng Rong (1):
KVM: remove redundant __GFP_NOWARN
Quan Zhou (8):
RISC-V: KVM: Change zicbom/zicboz block size to depend on the host isa
RISC-V: KVM: Provide UAPI for Zicbop block size
RISC-V: KVM: Allow Zicbop extension for Guest/VM
RISC-V: KVM: Allow bfloat16 extension for Guest/VM
KVM: riscv: selftests: Add Zicbop extension to get-reg-list test
KVM: riscv: selftests: Add bfloat16 extension to get-reg-list test
KVM: riscv: selftests: Use the existing RISCV_FENCE macro in `rseq-riscv.h`
KVM: riscv: selftests: Add common supported test cases
Samuel Holland (1):
RISC-V: KVM: Add support for SBI_FWFT_POINTER_MASKING_PMLEN
Sascha Bischoff (4):
KVM: arm64: Enable nested for GICv5 host with FEAT_GCIE_LEGACY
arm64: cpucaps: Add GICv5 Legacy vCPU interface (GCIE_LEGACY) capability
KVM: arm64: Use ARM64_HAS_GICV5_LEGACY for GICv5 probing
irqchip/gic-v5: Drop has_gcie_v3_compat from gic_kvm_info
Sean Christopherson (17):
KVM: selftests: Move Intel and AMD module param helpers to x86/processor.h
KVM: x86: Have all vendor neutral sub-configs depend on KVM_X86, not just KVM
KVM: x86: Select KVM_GENERIC_PRIVATE_MEM directly from KVM_SW_PROTECTED_VM
KVM: x86: Select TDX's KVM_GENERIC_xxx dependencies iff CONFIG_KVM_INTEL_TDX=y
KVM: x86/mmu: Hoist guest_memfd max level/order helpers "up" in mmu.c
KVM: x86/mmu: Enforce guest_memfd's max order when recovering hugepages
KVM: x86/mmu: Extend guest_memfd's max mapping level to shared mappings
KVM: selftests: Add guest_memfd testcase to fault-in on !mmap()'d memory
KVM: selftests: Add support for #DE exception fixup
KVM: selftests: Add coverage for 'b' (byte) sized fastops emulation
KVM: selftests: Dedup the gnarly constraints of the fastops tests (more macros!)
KVM: selftests: Add support for DIV and IDIV in the fastops test
x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP
x86/kvm: Make kvm_async_pf_task_wake() a local static helper
KVM: selftests: Track unavailable_mask for PMU events as 32-bit value
KVM: selftests: Reduce number of "unavailable PMU events" combos tested
KVM: selftests: Add ex_str() to print human friendly name of exception vectors
Steven Rostedt (1):
LoongArch: KVM: Move kvm_iocsr tracepoint out of generic code
Sukrut Heroorkar (1):
selftests/kvm: remove stale TODO in xapic_state_test
Wei-Lin Chang (1):
KVM: arm64: ptdump: Don't test PTE_VALID alongside other attributes
Yingchao Deng (1):
KVM: arm64: Return early from trace helpers when KVM isn't available
Yury Norov (NVIDIA) (1):
LoongArch: KVM: Rework pch_pic_update_batch_irqs()
dongsheng (1):
KVM: selftests: Handle Intel Atom errata that leads to PMU event overcount
Documentation/virt/kvm/api.rst | 9 +
arch/arm64/include/asm/kvm_asm.h | 2 +
arch/arm64/include/asm/kvm_emulate.h | 34 +-
arch/arm64/include/asm/kvm_host.h | 5 +-
arch/arm64/include/asm/kvm_nested.h | 27 +-
arch/arm64/include/asm/kvm_pkvm.h | 1 +
arch/arm64/include/asm/traps.h | 1 +
arch/arm64/include/asm/vncr_mapping.h | 2 +
arch/arm64/kernel/cpufeature.c | 15 +
arch/arm64/kernel/image-vars.h | 3 +
arch/arm64/kernel/traps.c | 15 +-
arch/arm64/kvm/Kconfig | 1 +
arch/arm64/kvm/arm.c | 19 +-
arch/arm64/kvm/at.c | 376 ++++++++++----
arch/arm64/kvm/config.c | 358 +++++++++-----
arch/arm64/kvm/debug.c | 25 +-
arch/arm64/kvm/emulate-nested.c | 1 +
arch/arm64/kvm/handle_exit.c | 3 +
arch/arm64/kvm/hyp/include/nvhe/pkvm.h | 4 +-
arch/arm64/kvm/hyp/include/nvhe/trap_handler.h | 3 +-
arch/arm64/kvm/hyp/nvhe/Makefile | 1 +
arch/arm64/kvm/hyp/nvhe/ffa.c | 217 +++++---
arch/arm64/kvm/hyp/nvhe/hyp-main.c | 14 +
arch/arm64/kvm/hyp/nvhe/mem_protect.c | 9 +-
arch/arm64/kvm/hyp/nvhe/pkvm.c | 177 +++++--
arch/arm64/kvm/hyp/nvhe/setup.c | 12 +-
arch/arm64/kvm/hyp/vgic-v3-sr.c | 25 +-
arch/arm64/kvm/hyp/vhe/switch.c | 7 +
arch/arm64/kvm/inject_fault.c | 27 +-
arch/arm64/kvm/mmu.c | 212 +++++---
arch/arm64/kvm/nested.c | 119 ++++-
arch/arm64/kvm/pkvm.c | 76 ++-
arch/arm64/kvm/ptdump.c | 20 +-
arch/arm64/kvm/sys_regs.c | 55 ++-
arch/arm64/kvm/vgic/vgic-init.c | 14 +-
arch/arm64/kvm/vgic/vgic-v3.c | 8 +
arch/arm64/kvm/vgic/vgic-v5.c | 2 +-
arch/arm64/tools/cpucaps | 1 +
arch/loongarch/include/asm/kvm_pch_pic.h | 15 +-
arch/loongarch/include/uapi/asm/kvm.h | 1 +
arch/loongarch/kvm/exit.c | 19 +-
arch/loongarch/kvm/intc/ipi.c | 80 +--
arch/loongarch/kvm/intc/pch_pic.c | 239 ++++-----
arch/loongarch/kvm/trace.h | 35 ++
arch/loongarch/kvm/vcpu.c | 2 +
arch/loongarch/kvm/vm.c | 4 +
arch/riscv/include/asm/kvm_host.h | 4 +
arch/riscv/include/asm/kvm_vcpu_pmu.h | 3 +
arch/riscv/include/asm/kvm_vcpu_sbi.h | 25 +-
arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h | 34 ++
arch/riscv/include/asm/sbi.h | 13 +
arch/riscv/include/uapi/asm/kvm.h | 21 +
arch/riscv/kvm/Makefile | 1 +
arch/riscv/kvm/gstage.c | 27 +-
arch/riscv/kvm/main.c | 33 +-
arch/riscv/kvm/vcpu.c | 3 +-
arch/riscv/kvm/vcpu_onereg.c | 95 ++--
arch/riscv/kvm/vcpu_pmu.c | 74 ++-
arch/riscv/kvm/vcpu_sbi.c | 198 ++++++--
arch/riscv/kvm/vcpu_sbi_fwft.c | 544 +++++++++++++++++++++
arch/riscv/kvm/vcpu_sbi_pmu.c | 3 +
arch/riscv/kvm/vcpu_sbi_sta.c | 74 +--
arch/riscv/kvm/vmid.c | 8 +-
arch/s390/include/asm/kvm_host.h | 2 +-
arch/s390/include/asm/pgtable.h | 22 +
arch/s390/kvm/interrupt.c | 20 +-
arch/s390/mm/gmap_helpers.c | 12 +-
arch/s390/mm/pgtable.c | 23 +-
arch/x86/include/asm/kvm-x86-ops.h | 2 +-
arch/x86/include/asm/kvm_host.h | 6 +-
arch/x86/include/asm/kvm_para.h | 2 -
arch/x86/kernel/kvm.c | 44 +-
arch/x86/kvm/Kconfig | 26 +-
arch/x86/kvm/mmu/mmu.c | 142 +++---
arch/x86/kvm/mmu/mmu_internal.h | 2 +-
arch/x86/kvm/mmu/tdp_mmu.c | 2 +-
arch/x86/kvm/svm/sev.c | 6 +-
arch/x86/kvm/svm/svm.c | 2 +-
arch/x86/kvm/svm/svm.h | 4 +-
arch/x86/kvm/vmx/main.c | 7 +-
arch/x86/kvm/vmx/tdx.c | 5 +-
arch/x86/kvm/vmx/vmx.c | 7 +
arch/x86/kvm/vmx/x86_ops.h | 2 +-
arch/x86/kvm/x86.c | 11 +
drivers/irqchip/irq-gic-v5.c | 7 -
drivers/perf/riscv_pmu_sbi.c | 191 ++++++--
include/kvm/arm_vgic.h | 2 +-
include/linux/arm_ffa.h | 1 +
include/linux/irqchip/arm-vgic-info.h | 2 -
include/linux/kvm_host.h | 49 +-
include/linux/perf/riscv_pmu.h | 1 +
include/trace/events/kvm.h | 35 --
include/uapi/linux/kvm.h | 2 +
tools/testing/selftests/kvm/Makefile.kvm | 8 +
.../selftests/kvm/access_tracking_perf_test.c | 1 +
tools/testing/selftests/kvm/arm64/arch_timer.c | 13 +-
.../selftests/kvm/arm64/arch_timer_edge_cases.c | 13 +-
.../testing/selftests/kvm/arm64/external_aborts.c | 42 ++
tools/testing/selftests/kvm/arm64/hello_el2.c | 71 +++
tools/testing/selftests/kvm/arm64/hypercalls.c | 2 +-
tools/testing/selftests/kvm/arm64/kvm-uuid.c | 2 +-
tools/testing/selftests/kvm/arm64/no-vgic-v3.c | 2 +
tools/testing/selftests/kvm/arm64/psci_test.c | 13 +-
tools/testing/selftests/kvm/arm64/set_id_regs.c | 44 +-
tools/testing/selftests/kvm/arm64/smccc_filter.c | 17 +-
tools/testing/selftests/kvm/arm64/vgic_init.c | 2 +
tools/testing/selftests/kvm/arm64/vgic_irq.c | 4 +-
.../testing/selftests/kvm/arm64/vgic_lpi_stress.c | 8 +-
.../selftests/kvm/arm64/vpmu_counter_access.c | 75 ++-
tools/testing/selftests/kvm/dirty_log_perf_test.c | 35 --
tools/testing/selftests/kvm/dirty_log_test.c | 1 +
tools/testing/selftests/kvm/get-reg-list.c | 9 +-
tools/testing/selftests/kvm/guest_memfd_test.c | 236 ++++++++-
.../selftests/kvm/include/arm64/arch_timer.h | 24 +
.../selftests/kvm/include/arm64/kvm_util_arch.h | 5 +-
.../selftests/kvm/include/arm64/processor.h | 74 +++
tools/testing/selftests/kvm/include/arm64/vgic.h | 3 +
tools/testing/selftests/kvm/include/kvm_util.h | 24 +-
.../selftests/kvm/include/riscv/processor.h | 1 +
tools/testing/selftests/kvm/include/x86/pmu.h | 26 +
.../testing/selftests/kvm/include/x86/processor.h | 35 +-
tools/testing/selftests/kvm/lib/arm64/processor.c | 104 +++-
tools/testing/selftests/kvm/lib/arm64/vgic.c | 66 ++-
tools/testing/selftests/kvm/lib/kvm_util.c | 57 +--
tools/testing/selftests/kvm/lib/x86/pmu.c | 49 ++
tools/testing/selftests/kvm/lib/x86/processor.c | 41 +-
.../kvm/memslot_modification_stress_test.c | 1 +
tools/testing/selftests/kvm/memslot_perf_test.c | 1 +
tools/testing/selftests/kvm/riscv/get-reg-list.c | 60 +++
tools/testing/selftests/kvm/s390/cmma_test.c | 2 +-
.../selftests/kvm/s390/cpumodel_subfuncs_test.c | 2 +-
tools/testing/selftests/kvm/steal_time.c | 2 +-
tools/testing/selftests/kvm/x86/fastops_test.c | 82 +++-
tools/testing/selftests/kvm/x86/hyperv_cpuid.c | 2 +-
tools/testing/selftests/kvm/x86/hyperv_features.c | 16 +-
.../testing/selftests/kvm/x86/monitor_mwait_test.c | 8 +-
.../testing/selftests/kvm/x86/pmu_counters_test.c | 67 ++-
.../selftests/kvm/x86/pmu_event_filter_test.c | 4 +-
.../testing/selftests/kvm/x86/vmx_pmu_caps_test.c | 7 +-
tools/testing/selftests/kvm/x86/xapic_state_test.c | 4 +-
tools/testing/selftests/kvm/x86/xcr0_cpuid_test.c | 12 +-
tools/testing/selftests/rseq/rseq-riscv.h | 3 +-
virt/kvm/Kconfig | 15 +-
virt/kvm/Makefile.kvm | 2 +-
virt/kvm/async_pf.c | 2 +-
virt/kvm/guest_memfd.c | 81 ++-
virt/kvm/kvm_main.c | 55 ++-
virt/kvm/kvm_mm.h | 4 +-
148 files changed, 4132 insertions(+), 1501 deletions(-)
create mode 100644 arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h
create mode 100644 arch/riscv/kvm/vcpu_sbi_fwft.c
create mode 100644 tools/testing/selftests/kvm/arm64/hello_el2.c
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