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Subject[GIT PULL v2] First batch of KVM changes for Linux 6.2
Date
Linus,

The following changes since commit acb3f4bc2108dca531f81233383e21f0bdc02267:

arm64/sysreg: Remove duplicate definitions from asm/sysreg.h (2022-12-01 17:31:12 +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 549a715b98a13c6d05452be3ad37e980087bb081:

KVM: x86: Add proper ReST tables for userspace MSR exits/flags (2022-12-14 13:28:31 -0500)

There are a few non-KVM changes here:

- introduce FOLL_INTERRUPTIBLE, reviewed by the mm/ people; however,
FOLL_PCI_P2PDMA has been introduced in the meanwhile so FOLL_INTERRUPTIBLE
has to be bumped to 0x200000 on merge.

- tools/perf: change set_bit to __set_bit etc. in preparation for
introducing atomic bit operations, acked by perf maintainers;

- MTE work that the ARM folks routed through Marc Zyngier's KVM tree. This
also touches mm/ and fs/proc/page.c, in order to introduce a PG_arch_3
flag, only for 64-bit machines. The core ARM parts can be found at
https://lore.kernel.org/all/20220705142619.4135905-1-catalin.marinas@arm.com/
if you're interested in the list of affected files; they were later
rebased and extended with the KVM bits. Note that this is *not*
a shared topic branch.

There is another simple conflict due to the introduction of
X86_FEATURE_SGX_EDECCSSA by the x86 maintainers, while my pull
request is renaming the kvm_cpu_cap_init_scattered function to
kvm_cpu_cap_init_kvm_defined.

A shared topic branch with ARM, to introduce automatic generation of
the system register headers, has been pulled already.

KVM pull requests are getting bigger and I need to balance my other
Red Hat work, improve the CI, and more in general get my act together. :/
I am working on it.

Thanks,

Paolo

----------------------------------------------------------------
ARM64:

* Enable the per-vcpu dirty-ring tracking mechanism, together with an
option to keep the good old dirty log around for pages that are
dirtied by something other than a vcpu.

* Switch to the relaxed parallel fault handling, using RCU to delay
page table reclaim and giving better performance under load.

* Relax the MTE ABI, allowing a VMM to use the MAP_SHARED mapping option,
which multi-process VMMs such as crosvm rely on (see merge commit 382b5b87a97d:
"Fix a number of issues with MTE, such as races on the tags being
initialised vs the PG_mte_tagged flag as well as the lack of support
for VM_SHARED when KVM is involved. Patches from Catalin Marinas and
Peter Collingbourne").

* Merge the pKVM shadow vcpu state tracking that allows the hypervisor
to have its own view of a vcpu, keeping that state private.

* Add support for the PMUv3p5 architecture revision, bringing support
for 64bit counters on systems that support it, and fix the
no-quite-compliant CHAIN-ed counter support for the machines that
actually exist out there.

* Fix a handful of minor issues around 52bit VA/PA support (64kB pages
only) as a prefix of the oncoming support for 4kB and 16kB pages.

* Pick a small set of documentation and spelling fixes, because no
good merge window would be complete without those.

s390:

* Second batch of the lazy destroy patches

* First batch of KVM changes for kernel virtual != physical address support

* Removal of a unused function

x86:

* Allow compiling out SMM support

* Cleanup and documentation of SMM state save area format

* Preserve interrupt shadow in SMM state save area

* Respond to generic signals during slow page faults

* Fixes and optimizations for the non-executable huge page errata fix.

* Reprogram all performance counters on PMU filter change

* Cleanups to Hyper-V emulation and tests

* Process Hyper-V TLB flushes from a nested guest (i.e. from a L2 guest
running on top of a L1 Hyper-V hypervisor)

* Advertise several new Intel features

* x86 Xen-for-KVM:

** Allow the Xen runstate information to cross a page boundary

** Allow XEN_RUNSTATE_UPDATE flag behaviour to be configured

** Add support for 32-bit guests in SCHEDOP_poll

* Notable x86 fixes and cleanups:

** One-off fixes for various emulation flows (SGX, VMXON, NRIPS=0).

** Reinstate IBPB on emulated VM-Exit that was incorrectly dropped a few
years back when eliminating unnecessary barriers when switching between
vmcs01 and vmcs02.

** Clean up vmread_error_trampoline() to make it more obvious that params
must be passed on the stack, even for x86-64.

** Let userspace set all supported bits in MSR_IA32_FEAT_CTL irrespective
of the current guest CPUID.

** Fudge around a race with TSC refinement that results in KVM incorrectly
thinking a guest needs TSC scaling when running on a CPU with a
constant TSC, but no hardware-enumerated TSC frequency.

** Advertise (on AMD) that the SMM_CTL MSR is not supported

** Remove unnecessary exports

Generic:

* Support for responding to signals during page faults; introduces
new FOLL_INTERRUPTIBLE flag that was reviewed by mm folks

Selftests:

* Fix an inverted check in the access tracking perf test, and restore
support for asserting that there aren't too many idle pages when
running on bare metal.

* Fix build errors that occur in certain setups (unsure exactly what is
unique about the problematic setup) due to glibc overriding
static_assert() to a variant that requires a custom message.

* Introduce actual atomics for clear/set_bit() in selftests

* Add support for pinning vCPUs in dirty_log_perf_test.

* Rename the so called "perf_util" framework to "memstress".

* Add a lightweight psuedo RNG for guest use, and use it to randomize
the access pattern and write vs. read percentage in the memstress tests.

* Add a common ucall implementation; code dedup and pre-work for running
SEV (and beyond) guests in selftests.

* Provide a common constructor and arch hook, which will eventually be
used by x86 to automatically select the right hypercall (AMD vs. Intel).

* A bunch of added/enabled/fixed selftests for ARM64, covering memslots,
breakpoints, stage-2 faults and access tracking.

* x86-specific selftest changes:

** Clean up x86's page table management.

** Clean up and enhance the "smaller maxphyaddr" test, and add a related
test to cover generic emulation failure.

** Clean up the nEPT support checks.

** Add X86_PROPERTY_* framework to retrieve multi-bit CPUID values.

** Fix an ordering issue in the AMX test introduced by recent conversions
to use kvm_cpu_has(), and harden the code to guard against similar bugs
in the future. Anything that tiggers caching of KVM's supported CPUID,
kvm_cpu_has() in this case, effectively hides opt-in XSAVE features if
the caching occurs before the test opts in via prctl().

Documentation:

* Remove deleted ioctls from documentation

* Clean up the docs for the x86 MSR filter.

* Various fixes

----------------------------------------------------------------
Aaron Lewis (5):
KVM: x86: Disallow the use of KVM_MSR_FILTER_DEFAULT_ALLOW in the kernel
KVM: x86: Add a VALID_MASK for the MSR exit reason flags
KVM: x86: Add a VALID_MASK for the flag in kvm_msr_filter
KVM: x86: Add a VALID_MASK for the flags in kvm_msr_filter_range
selftests: kvm/x86: Test the flags in MSR filtering and MSR exiting

Anshuman Khandual (1):
KVM: arm64: PMU: Replace version number '0' with ID_AA64DFR0_EL1_PMUVer_NI

Anton Romanov (1):
KVM: x86: Use current rather than snapshotted TSC frequency if it is constant

Carlos Bilbao (1):
KVM: SVM: Name and check reserved fields with structs offset

Catalin Marinas (4):
mm: Do not enable PG_arch_2 for all 64-bit architectures
arm64: mte: Fix/clarify the PG_mte_tagged semantics
KVM: arm64: Simplify the sanitise_mte_tags() logic
arm64: mte: Lock a page for MTE tag initialisation

Chang S. Bae (1):
x86: KVM: Advertise AMX-FP16 CPUID to user space

Claudio Imbrenda (6):
KVM: s390: pv: asynchronous destroy for reboot
KVM: s390: pv: api documentation for asynchronous destroy
KVM: s390: pv: add KVM_CAP_S390_PROTECTED_ASYNC_DISABLE
KVM: s390: pv: avoid export before import if possible
KVM: s390: pv: support for Destroy fast UVC
KVM: s390: pv: module parameter to fence asynchronous destroy

Colin Ian King (2):
KVM: selftests: Fix spelling mistake "begining" -> "beginning"
KVM: selftests: Fix spelling mistake "probabalistic" -> "probabilistic"

Colton Lewis (4):
KVM: selftests: implement random number generator for guest code
KVM: selftests: create -r argument to specify random seed
KVM: selftests: randomize which pages are written vs read
KVM: selftests: randomize page access order

David Matlack (15):
KVM: selftests: Rename perf_test_util.[ch] to memstress.[ch]
KVM: selftests: Rename pta (short for perf_test_args) to args
KVM: selftests: Rename perf_test_util symbols to memstress
KVM: selftests: Rename emulator_error_test to smaller_maxphyaddr_emulation_test
KVM: selftests: Explicitly require instructions bytes
KVM: selftests: Delete dead ucall code
KVM: selftests: Move flds instruction emulation failure handling to header
KVM: x86/mmu: Use BIT{,_ULL}() for PFERR masks
KVM: selftests: Copy KVM PFERR masks into selftests
KVM: selftests: Expect #PF(RSVD) when TDP is disabled
KVM: selftests: Add a test for KVM_CAP_EXIT_ON_EMULATION_FAILURE
KVM: selftests: Assert in prepare_eptp() that nEPT is supported
KVM: selftests: Check for KVM nEPT support using "feature" MSRs
KVM: x86/mmu: Split huge pages mapped by the TDP MMU on fault
KVM: x86/mmu: Do not recover dirty-tracked NX Huge Pages

David Woodhouse (5):
KVM: x86/xen: Add CPL to Xen hypercall tracepoint
MAINTAINERS: Add KVM x86/xen maintainer list
KVM: x86/xen: Compatibility fixes for shared runstate area
KVM: x86/xen: Allow XEN_RUNSTATE_UPDATE flag behaviour to be configured
KVM: x86/xen: Add runstate tests for 32-bit mode and crossing page boundary

Fuad Tabba (3):
KVM: arm64: Add hyp_spinlock_t static initializer
KVM: arm64: Add infrastructure to create and track pKVM instances at EL2
KVM: arm64: Instantiate pKVM hypervisor VM and vCPU structures from EL1

Gautam Menghani (1):
KVM: selftests: Don't assume vcpu->id is '0' in xAPIC state test

Gavin Shan (14):
KVM: x86: Introduce KVM_REQ_DIRTY_RING_SOFT_FULL
KVM: Move declaration of kvm_cpu_dirty_log_size() to kvm_dirty_ring.h
KVM: Support dirty ring in conjunction with bitmap
KVM: arm64: Enable ring-based dirty memory tracking
KVM: selftests: Use host page size to map ring buffer in dirty_log_test
KVM: selftests: Clear dirty ring states between two modes in dirty_log_test
KVM: selftests: Automate choosing dirty ring size in dirty_log_test
KVM: selftests: memslot_perf_test: Use data->nslots in prepare_vm()
KVM: selftests: memslot_perf_test: Consolidate loop conditions in prepare_vm()
KVM: selftests: memslot_perf_test: Probe memory slots for once
KVM: selftests: memslot_perf_test: Support variable guest page size
KVM: selftests: memslot_perf_test: Consolidate memory
KVM: selftests: memslot_perf_test: Report optimal memory slots
KVM: Push dirty information unconditionally to backup bitmap

Heiko Carstens (1):
KVM: s390: remove unused gisa_clear_ipm_gisc() function

Javier Martinez Canillas (4):
KVM: Delete all references to removed KVM_SET_MEMORY_REGION ioctl
KVM: Delete all references to removed KVM_SET_MEMORY_ALIAS ioctl
KVM: Reference to kvm_userspace_memory_region in doc and comments
KVM: Add missing arch for KVM_CREATE_DEVICE and KVM_{SET,GET}_DEVICE_ATTR

Jiaxi Chen (5):
x86: KVM: Advertise CMPccXADD CPUID to user space
x86: KVM: Advertise AVX-IFMA CPUID to user space
KVM: x86: Advertise AVX-VNNI-INT8 CPUID to user space
KVM: x86: Advertise AVX-NE-CONVERT CPUID to user space
KVM: x86: Advertise PREFETCHIT0/1 CPUID to user space

Jim Mattson (4):
KVM: x86: Insert "AMD" in KVM_X86_FEATURE_PSFD
KVM: VMX: Guest usage of IA32_SPEC_CTRL is likely
KVM: VMX: Execute IBPB on emulated VM-exit when guest has IBRS
KVM: x86: Advertise that the SMM_CTL MSR is not supported

Lei Wang (1):
KVM: selftests: Move XFD CPUID checking out of __vm_xsave_require_permission()

Like Xu (2):
KVM: x86/pmu: Defer reprogram_counter() to kvm_pmu_handle_event()
KVM: x86/pmu: Defer counter emulated overflow via pmc->prev_counter

Marc Zyngier (32):
Merge tag 'kvmarm-fixes-6.1-3' into kvm-arm64/dirty-ring
arm64: Add ID_DFR0_EL1.PerfMon values for PMUv3p7 and IMP_DEF
KVM: arm64: PMU: Align chained counter implementation with architecture pseudocode
KVM: arm64: PMU: Always advertise the CHAIN event
KVM: arm64: PMU: Distinguish between 64bit counter and 64bit overflow
KVM: arm64: PMU: Narrow the overflow checking when required
KVM: arm64: PMU: Only narrow counters that are not 64bit wide
KVM: arm64: PMU: Add counter_index_to_*reg() helpers
KVM: arm64: PMU: Simplify setting a counter to a specific value
KVM: arm64: PMU: Do not let AArch32 change the counters' top 32 bits
KVM: arm64: PMU: Move the ID_AA64DFR0_EL1.PMUver limit to VM creation
KVM: arm64: PMU: Allow ID_AA64DFR0_EL1.PMUver to be set from userspace
KVM: arm64: PMU: Allow ID_DFR0_EL1.PerfMon to be set from userspace
KVM: arm64: PMU: Implement PMUv3p5 long counter support
KVM: arm64: PMU: Allow PMUv3p5 to be exposed to the guest
KVM: arm64: PMU: Simplify vcpu computation on perf overflow notification
KVM: arm64: PMU: Make kvm_pmc the main data structure
KVM: arm64: PMU: Simplify PMCR_EL0 reset handling
KVM: arm64: PMU: Sanitise PMCR_EL0.LP on first vcpu run
KVM: arm64: PMU: Fix period computation for 64bit counters with 32bit overflow
Merge branch kvm-arm64/selftest/memslot-fixes into kvmarm-master/next
Merge branch kvm-arm64/selftest/linked-bps into kvmarm-master/next
Merge branch kvm-arm64/selftest/s2-faults into kvmarm-master/next
Merge branch kvm-arm64/selftest/access-tracking into kvmarm-master/next
Merge branch kvm-arm64/52bit-fixes into kvmarm-master/next
Merge branch kvm-arm64/dirty-ring into kvmarm-master/next
Merge branch kvm-arm64/parallel-faults into kvmarm-master/next
Merge branch kvm-arm64/pkvm-vcpu-state into kvmarm-master/next
Merge branch kvm-arm64/mte-map-shared into kvmarm-master/next
Merge branch kvm-arm64/pmu-unchained into kvmarm-master/next
Merge branch kvm-arm64/misc-6.2 into kvmarm-master/next
Merge remote-tracking branch 'arm64/for-next/sysregs' into kvmarm-master/next

Maxim Levitsky (10):
bug: introduce ASSERT_STRUCT_OFFSET
KVM: x86: smm: check for failures on smm entry
KVM: x86: smm: add structs for KVM's smram layout
KVM: x86: smm: use smram structs in the common code
KVM: x86: smm: use smram struct for 32 bit smram load/restore
KVM: x86: smm: use smram struct for 64 bit smram load/restore
KVM: svm: drop explicit return value of kvm_vcpu_map
KVM: x86: SVM: use smram structs
KVM: x86: SVM: don't save SVM state to SMRAM when VM is not long mode capable
KVM: x86: smm: preserve interrupt shadow in SMRAM

Metin Kaya (1):
KVM: x86/xen: add support for 32-bit guests in SCHEDOP_poll

Miaohe Lin (3):
KVM: x86: remove obsolete kvm_mmu_gva_to_gpa_fetch()
KVM: x86/mmu: fix some comment typos
KVM: x86/mmu: use helper macro SPTE_ENT_PER_PAGE

Michal Luczaj (6):
KVM: Shorten gfn_to_pfn_cache function names
KVM: x86: Remove unused argument in gpc_unmap_khva()
KVM: Store immutable gfn_to_pfn_cache properties
KVM: Use gfn_to_pfn_cache's immutable "kvm" in kvm_gpc_check()
KVM: Clean up hva_to_pfn_retry()
KVM: Use gfn_to_pfn_cache's immutable "kvm" in kvm_gpc_refresh()

Mingwei Zhang (1):
KVM: x86/mmu: explicitly check nx_hugepage in disallowed_hugepage_adjust()

Nico Boehr (8):
s390/mm: gmap: sort out physical vs virtual pointers usage
s390/entry: sort out physical vs virtual pointers usage in sie64a
KVM: s390: sort out physical vs virtual pointers usage
KVM: s390: sida: sort out physical vs virtual pointers usage
KVM: s390: pv: sort out physical vs virtual pointers usage
KVM: s390: VSIE: sort out virtual/physical address in pin_guest_page
s390/mm: fix virtual-physical address confusion for swiotlb
s390/vfio-ap: GISA: sort out physical vs virtual pointers usage

Oliver Upton (21):
KVM: arm64: Combine visitor arguments into a context structure
KVM: arm64: Stash observed pte value in visitor context
KVM: arm64: Pass mm_ops through the visitor context
KVM: arm64: Don't pass kvm_pgtable through kvm_pgtable_walk_data
KVM: arm64: Add a helper to tear down unlinked stage-2 subtrees
KVM: arm64: Use an opaque type for pteps
KVM: arm64: Tear down unlinked stage-2 subtree after break-before-make
KVM: arm64: Protect stage-2 traversal with RCU
KVM: arm64: Atomically update stage 2 leaf attributes in parallel walks
KVM: arm64: Split init and set for table PTE
KVM: arm64: Make block->table PTE changes parallel-aware
KVM: arm64: Make leaf->leaf PTE changes parallel-aware
KVM: arm64: Make table->block changes parallel-aware
KVM: arm64: Handle stage-2 faults in parallel
KVM: arm64: Take a pointer to walker data in kvm_dereference_pteref()
KVM: arm64: Don't acquire RCU read lock for exclusive table walks
KVM: arm64: Reject shared table walks in the hyp code
KVM: selftests: Have perf_test_util signal when to stop vCPUs
KVM: selftests: Build access_tracking_perf_test for arm64
KVM: arm64: selftests: Align VA space allocator with TTBR0
KVM: selftests: Allocate ucall pool from MEM_REGION_DATA

Paolo Bonzini (25):
KVM: x86: start moving SMM-related functions to new files
KVM: x86: move SMM entry to a new file
KVM: x86: move SMM exit to a new file
KVM: x86: do not go through ctxt->ops when emulating rsm
KVM: allow compiling out SMM support
KVM: x86: compile out vendor-specific code if SMM is disabled
KVM: x86: remove SMRAM address space if SMM is not supported
KVM: x86: do not define KVM_REQ_SMI if SMM disabled
KVM: zero output of KVM_GET_VCPU_EVENTS before filling in the struct
KVM: x86: do not define SMM-related constants if SMM disabled
KVM: replace direct irq.h inclusion
Merge tag 'kvm-selftests-6.2-1' of https://github.com/kvm-x86/linux into HEAD
KVM: x86/mmu: simplify kvm_tdp_mmu_map flow when guest has to retry
Merge branch 'kvm-svm-harden' into HEAD
KVM: x86: avoid memslot check in NX hugepage recovery if it cannot succeed
Merge branch 'kvm-dwmw2-fixes' into HEAD
KVM: always declare prototype for kvm_arch_irqchip_in_kernel
Merge tag 'kvm-s390-next-6.2-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: x86: fix uninitialized variable use on KVM_REQ_TRIPLE_FAULT
Merge tag 'kvm-selftests-6.2-2' of https://github.com/kvm-x86/linux into HEAD
Merge tag 'kvm-x86-fixes-6.2-1' of https://github.com/kvm-x86/linux into HEAD
KVM: x86: remove unnecessary exports
Merge branch 'gpc-fixes' of git://git.infradead.org/users/dwmw2/linux into HEAD
Merge tag 'kvmarm-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
Merge remote-tracking branch 'kvm/queue' into HEAD

Peng Hao (1):
KVM: x86: Keep the lock order consistent between SRCU and gpc spinlock

Peter Collingbourne (4):
mm: Add PG_arch_3 page flag
KVM: arm64: unify the tests for VMAs in memslots when MTE is enabled
KVM: arm64: permit all VM_MTE_ALLOWED mappings with MTE enabled
Documentation: document the ABI changes for KVM_CAP_ARM_MTE

Peter Gonda (2):
tools: Add atomic_test_and_set_bit()
KVM: selftests: Add ucall pool based implementation

Peter Xu (4):
mm/gup: Add FOLL_INTERRUPTIBLE
kvm: Add KVM_PFN_ERR_SIGPENDING
kvm: Add interruptible flag to __gfn_to_pfn_memslot()
kvm: x86: Allow to respond to generic signals during slow PF

Quentin Perret (14):
KVM: arm64: Move hyp refcount manipulation helpers to common header file
KVM: arm64: Allow attaching of non-coalescable pages to a hyp pool
KVM: arm64: Back the hypervisor 'struct hyp_page' array for all memory
KVM: arm64: Fix-up hyp stage-1 refcounts for all pages mapped at EL2
KVM: arm64: Prevent the donation of no-map pages
KVM: arm64: Add helpers to pin memory shared with the hypervisor at EL2
KVM: arm64: Add per-cpu fixmap infrastructure at EL2
KVM: arm64: Add generic hyp_memcache helpers
KVM: arm64: Consolidate stage-2 initialisation into a single function
KVM: arm64: Instantiate guest stage-2 page-tables at EL2
KVM: arm64: Return guest memory from EL2 via dedicated teardown memcache
KVM: arm64: Unmap 'kvm_arm_hyp_percpu_base' from the host
KVM: arm64: Explicitly map 'kvm_vgic_global_state' at EL2
KVM: arm64: Don't unnecessarily map host kernel sections at EL2

Rafael Mendonca (1):
x86/kvm: Remove unused virt to phys translation in kvm_guest_cpu_init()

Reiji Watanabe (9):
KVM: arm64: selftests: Use FIELD_GET() to extract ID register fields
KVM: arm64: selftests: Add write_dbg{b,w}{c,v}r helpers in debug-exceptions
KVM: arm64: selftests: Remove the hard-coded {b,w}pn#0 from debug-exceptions
KVM: arm64: selftests: Add helpers to enable debug exceptions
KVM: arm64: selftests: Stop unnecessary test stage tracking of debug-exceptions
KVM: arm64: selftests: Change debug_version() to take ID_AA64DFR0_EL1
KVM: arm64: selftests: Add a test case for a linked breakpoint
KVM: arm64: selftests: Add a test case for a linked watchpoint
KVM: arm64: selftests: Test with every breakpoint/watchpoint

Ricardo Koller (14):
KVM: selftests: Add a userfaultfd library
KVM: selftests: aarch64: Add virt_get_pte_hva() library function
KVM: selftests: Add missing close and munmap in __vm_mem_region_delete()
KVM: selftests: aarch64: Construct DEFAULT_MAIR_EL1 using sysreg.h macros
tools: Copy bitfield.h from the kernel sources
KVM: selftests: Stash backing_src_type in struct userspace_mem_region
KVM: selftests: Add vm->memslots[] and enum kvm_mem_region_type
KVM: selftests: Fix alignment in virt_arch_pgd_alloc() and vm_vaddr_alloc()
KVM: selftests: Use the right memslot for code, page-tables, and data allocations
KVM: selftests: aarch64: Add aarch64/page_fault_test
KVM: selftests: aarch64: Add userfaultfd tests into page_fault_test
KVM: selftests: aarch64: Add dirty logging tests into page_fault_test
KVM: selftests: aarch64: Add readonly memslot tests into page_fault_test
KVM: selftests: aarch64: Add mix of tests into page_fault_test

Ryan Roberts (3):
KVM: arm64: Fix kvm init failure when mode!=vhe and VA_BITS=52.
KVM: arm64: Fix PAR_TO_HPFAR() to work independently of PA_BITS.
KVM: arm64: Fix benign bug with incorrect use of VA_BITS

Sean Christopherson (81):
perf/x86/core: Zero @lbr instead of returning -1 in x86_perf_get_lbr() stub
KVM: x86: Track supported PERF_CAPABILITIES in kvm_caps
KVM: x86: Init vcpu->arch.perf_capabilities in common x86 code
KVM: x86: Handle PERF_CAPABILITIES in common x86's kvm_get_msr_feature()
KVM: x86: Directly query supported PERF_CAPABILITIES for WRMSR checks
KVM: x86/mmu: Tag disallowed NX huge pages even if they're not tracked
KVM: x86/mmu: Rename NX huge pages fields/functions for consistency
KVM: x86/mmu: Properly account NX huge page workaround for nonpaging MMUs
KVM: x86/mmu: Set disallowed_nx_huge_page in TDP MMU before setting SPTE
KVM: x86/mmu: Track the number of TDP MMU pages, but not the actual pages
KVM: x86/mmu: Add helper to convert SPTE value to its shadow page
KVM: x86/mmu: WARN if TDP MMU SP disallows hugepage after being zapped
KVM: x86/pmu: Force reprogramming of all counters on PMU filter change
KVM: x86/pmu: Clear "reprogram" bit if counter is disabled or disallowed
KVM: arm64: selftests: Disable single-step with correct KVM define
KVM: arm64: selftests: Disable single-step without relying on ucall()
KVM: selftests: Consolidate common code for populating ucall struct
KVM: selftests: Consolidate boilerplate code in get_ucall()
KVM: selftests: Automatically do init_ucall() for non-barebones VMs
KVM: selftests: Make arm64's MMIO ucall multi-VM friendly
KVM: selftests: Drop now-unnecessary ucall_uninit()
KVM: selftests: Drop helpers to read/write page table entries
KVM: selftests: Drop reserved bit checks from PTE accessor
KVM: selftests: Remove useless shifts when creating guest page tables
KVM: selftests: Verify parent PTE is PRESENT when getting child PTE
KVM: selftests: Use virt_get_pte() when getting PTE pointer
KVM: selftests: Use vm_get_page_table_entry() in addr_arch_gva2gpa()
KVM: selftests: Play nice with huge pages when getting PTEs/GPAs
KVM: selftests: Avoid JMP in non-faulting path of KVM_ASM_SAFE()
KVM: selftests: Provide error code as a KVM_ASM_SAFE() output
KVM: selftests: Add X86_FEATURE_PAE and use it calc "fallback" MAXPHYADDR
KVM: selftests: Refactor X86_FEATURE_* framework to prep for X86_PROPERTY_*
KVM: selftests: Add X86_PROPERTY_* framework to retrieve CPUID values
KVM: selftests: Use X86_PROPERTY_MAX_KVM_LEAF in CPUID test
KVM: selftests: Refactor kvm_cpuid_has() to prep for X86_PROPERTY_* support
KVM: selftests: Add kvm_cpu_*() support for X86_PROPERTY_*
KVM: selftests: Convert AMX test to use X86_PROPRETY_XXX
KVM: selftests: Convert vmx_pmu_caps_test to use X86_PROPERTY_*
KVM: selftests: Add PMU feature framework, use in PMU event filter test
KVM: selftests: Add dedicated helpers for getting x86 Family and Model
KVM: selftests: Add and use KVM helpers for x86 Family and Model
KVM: selftests: Drop helpers for getting specific KVM supported CPUID entry
x86/hyperv: Move VMCB enlightenment definitions to hyperv-tlfs.h
KVM: selftests: Move "struct hv_enlightenments" to x86_64/svm.h
KVM: SVM: Add a proper field for Hyper-V VMCB enlightenments
x86/hyperv: KVM: Rename "hv_enlightenments" to "hv_vmcb_enlightenments"
KVM: x86: Move clearing of TLB_FLUSH_CURRENT to kvm_vcpu_flush_tlb_all()
KVM: x86: hyper-v: Add helper to read hypercall data for array
KVM: x86: Add BUILD_BUG_ON() to detect bad usage of "scattered" flags
KVM: x86: Update KVM-only leaf handling to allow for 100% KVM-only leafs
KVM: Drop KVM's API to allow temporarily unmapping gfn=>pfn cache
KVM: Do not partially reinitialize gfn=>pfn cache during activation
KVM: Drop @gpa from exported gfn=>pfn cache check() and refresh() helpers
KVM: Skip unnecessary "unmap" if gpc is already valid during refresh
KVM: VMX: Resume guest immediately when injecting #GP on ECREATE
KVM: x86: Fail emulation during EMULTYPE_SKIP on any exception
KVM: SVM: Skip WRMSR fastpath on VM-Exit if next RIP isn't valid
KVM: nVMX: Inject #GP, not #UD, if "generic" VMXON CR0/CR4 check fails
KVM: x86: Delete documentation for READ|WRITE in KVM_X86_SET_MSR_FILTER
KVM: x86: Reword MSR filtering docs to more precisely define behavior
KVM: x86: Clean up KVM_CAP_X86_USER_SPACE_MSR documentation
KVM: nVMX: Reword comments about generating nested CR0/4 read shadows
KVM: VMX: Make vmread_error_trampoline() uncallable from C code
KVM: VMX: Allow userspace to set all supported FEATURE_CONTROL bits
KVM: VMX: Move MSR_IA32_FEAT_CTL.LOCKED check into "is valid" helper
KVM: selftests: Verify userspace can stuff IA32_FEATURE_CONTROL at will
KVM: selftests: Fix inverted "warning" in access tracking perf test
KVM: selftests: Restore assert for non-nested VMs in access tracking test
KVM: selftests: Move __vm_xsave_require_permission() below CPUID helpers
KVM: selftests: Disallow "get supported CPUID" before REQ_XCOMP_GUEST_PERM
KVM: selftests: Do kvm_cpu_has() checks before creating VM+vCPU
KVM: selftests: Define and use a custom static assert in lib headers
KVM: Remove stale comment about KVM_REQ_UNHALT
KVM: arm64: selftests: Enable single-step without a "full" ucall()
tools: Take @bit as an "unsigned long" in {clear,set}_bit() helpers
perf tools: Use dedicated non-atomic clear/set bit helpers
KVM: selftests: Use non-atomic clear/set bit helpers in KVM tests
tools: Drop conflicting non-atomic test_and_{clear,set}_bit() helpers
tools: Drop "atomic_" prefix from atomic test_and_set_bit()
tools: KVM: selftests: Convert clear/set_bit() to actual atomics
KVM: x86: Add proper ReST tables for userspace MSR exits/flags

Usama Arif (1):
KVM: arm64: Fix pvtime documentation

Vipin Sharma (7):
KVM: selftests: Add missing break between -e and -g option in dirty_log_perf_test
KVM: selftests: Put command line options in alphabetical order in dirty_log_perf_test
KVM: selftests: Add atoi_paranoid() to catch errors missed by atoi()
KVM: selftests: Use SZ_* macros from sizes.h in max_guest_memory_test.c
KVM: selftests: Shorten the test args in memslot_modification_stress_test.c
KVM: selftests: Add atoi_positive() and atoi_non_negative() for input validation
KVM: selftests: Allowing running dirty_log_perf_test on specific CPUs

Vishal Annapurve (3):
KVM: selftests: move common startup logic to kvm_util.c
KVM: selftests: Add arch specific initialization
KVM: selftests: Add arch specific post vm creation hook

Vitaly Kuznetsov (41):
KVM: x86: Rename 'enable_direct_tlbflush' to 'enable_l2_tlb_flush'
KVM: VMX: Rename "vmx/evmcs.{ch}" to "vmx/hyperv.{ch}"
KVM: x86: hyper-v: Resurrect dedicated KVM_REQ_HV_TLB_FLUSH flag
KVM: x86: hyper-v: Introduce TLB flush fifo
KVM: x86: hyper-v: Handle HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST{,EX} calls gently
KVM: x86: hyper-v: Expose support for extended gva ranges for flush hypercalls
KVM: x86: Prepare kvm_hv_flush_tlb() to handle L2's GPAs
x86/hyperv: Introduce HV_MAX_SPARSE_VCPU_BANKS/HV_VCPUS_PER_SPARSE_BANK constants
KVM: x86: hyper-v: Use HV_MAX_SPARSE_VCPU_BANKS/HV_VCPUS_PER_SPARSE_BANK instead of raw '64'
KVM: x86: hyper-v: Don't use sparse_set_to_vcpu_mask() in kvm_hv_send_ipi()
KVM: x86: hyper-v: Create a separate fifo for L2 TLB flush
KVM: x86: hyper-v: Use preallocated buffer in 'struct kvm_vcpu_hv' instead of on-stack 'sparse_banks'
KVM: nVMX: Keep track of hv_vm_id/hv_vp_id when eVMCS is in use
KVM: nSVM: Keep track of Hyper-V hv_vm_id/hv_vp_id
KVM: x86: Introduce .hv_inject_synthetic_vmexit_post_tlb_flush() nested hook
KVM: x86: hyper-v: Introduce kvm_hv_is_tlb_flush_hcall()
KVM: x86: hyper-v: L2 TLB flush
KVM: x86: hyper-v: Introduce fast guest_hv_cpuid_has_l2_tlb_flush() check
KVM: nVMX: hyper-v: Cache VP assist page in 'struct kvm_vcpu_hv'
KVM: nVMX: hyper-v: Enable L2 TLB flush
KVM: x86: Make kvm_hv_get_assist_page() return 0/-errno
KVM: nSVM: hyper-v: Enable L2 TLB flush
KVM: x86: Expose Hyper-V L2 TLB flush feature
KVM: selftests: Better XMM read/write helpers
KVM: selftests: Move HYPERV_LINUX_OS_ID definition to a common header
KVM: selftests: Move the function doing Hyper-V hypercall to a common header
KVM: selftests: Hyper-V PV IPI selftest
KVM: selftests: Fill in vm->vpages_mapped bitmap in virt_map() too
KVM: selftests: Export vm_vaddr_unused_gap() to make it possible to request unmapped ranges
KVM: selftests: Hyper-V PV TLB flush selftest
KVM: selftests: Sync 'struct hv_enlightened_vmcs' definition with hyperv-tlfs.h
KVM: selftests: Sync 'struct hv_vp_assist_page' definition with hyperv-tlfs.h
KVM: selftests: Move Hyper-V VP assist page enablement out of evmcs.h
KVM: selftests: Split off load_evmcs() from load_vmcs()
KVM: selftests: Create a vendor independent helper to allocate Hyper-V specific test pages
KVM: selftests: Allocate Hyper-V partition assist page
KVM: selftests: Stuff RAX/RCX with 'safe' values in vmmcall()/vmcall()
KVM: selftests: Introduce rdmsr_from_l2() and use it for MSR-Bitmap tests
KVM: selftests: evmcs_test: Introduce L2 TLB flush test
KVM: selftests: hyperv_svm_test: Introduce L2 TLB flush test
KVM: selftests: Rename 'evmcs_test' to 'hyperv_evmcs'

Will Deacon (8):
KVM: arm64: Unify identifiers used to distinguish host and hypervisor
KVM: arm64: Implement do_donate() helper for donating memory
KVM: arm64: Include asm/kvm_mmu.h in nvhe/mem_protect.h
KVM: arm64: Rename 'host_kvm' to 'host_mmu'
KVM: arm64: Initialise hypervisor copies of host symbols unconditionally
KVM: arm64: Provide I-cache invalidation by virtual address at EL2
KVM: arm64: Maintain a copy of 'kvm_arm_vmid_bits' at EL2
KVM: arm64: Use the pKVM hyp vCPU structure in handle___kvm_vcpu_run()

Yuan ZhaoXiong (1):
KVM: x86: fix APICv/x2AVIC disabled when vm reboot by itself

Zhao Liu (1):
KVM: SVM: Replace kmap_atomic() with kmap_local_page()

Zhiyuan Dai (1):
KVM: arm64: Fix typo in comment

Documentation/virt/kvm/api.rst | 274 +++--
Documentation/virt/kvm/arm/pvtime.rst | 14 +-
Documentation/virt/kvm/devices/arm-vgic-its.rst | 5 +-
Documentation/virt/kvm/devices/vcpu.rst | 2 +
MAINTAINERS | 10 +
arch/arm64/Kconfig | 1 +
arch/arm64/include/asm/kvm_arm.h | 8 +-
arch/arm64/include/asm/kvm_asm.h | 7 +-
arch/arm64/include/asm/kvm_host.h | 76 +-
arch/arm64/include/asm/kvm_hyp.h | 3 +
arch/arm64/include/asm/kvm_mmu.h | 2 +-
arch/arm64/include/asm/kvm_pgtable.h | 175 ++-
arch/arm64/include/asm/kvm_pkvm.h | 38 +
arch/arm64/include/asm/mte.h | 65 +-
arch/arm64/include/asm/pgtable.h | 4 +-
arch/arm64/include/uapi/asm/kvm.h | 1 +
arch/arm64/kernel/cpufeature.c | 4 +-
arch/arm64/kernel/elfcore.c | 2 +-
arch/arm64/kernel/hibernate.c | 2 +-
arch/arm64/kernel/image-vars.h | 15 -
arch/arm64/kernel/mte.c | 21 +-
arch/arm64/kvm/Kconfig | 2 +
arch/arm64/kvm/arm.c | 95 +-
arch/arm64/kvm/guest.c | 18 +-
arch/arm64/kvm/hyp/hyp-constants.c | 3 +
arch/arm64/kvm/hyp/include/nvhe/mem_protect.h | 25 +-
arch/arm64/kvm/hyp/include/nvhe/memory.h | 27 +
arch/arm64/kvm/hyp/include/nvhe/mm.h | 18 +-
arch/arm64/kvm/hyp/include/nvhe/pkvm.h | 68 ++
arch/arm64/kvm/hyp/include/nvhe/spinlock.h | 10 +-
arch/arm64/kvm/hyp/nvhe/cache.S | 11 +
arch/arm64/kvm/hyp/nvhe/hyp-main.c | 110 +-
arch/arm64/kvm/hyp/nvhe/hyp-smp.c | 2 +
arch/arm64/kvm/hyp/nvhe/mem_protect.c | 521 ++++++++-
arch/arm64/kvm/hyp/nvhe/mm.c | 167 ++-
arch/arm64/kvm/hyp/nvhe/page_alloc.c | 29 +-
arch/arm64/kvm/hyp/nvhe/pkvm.c | 436 ++++++++
arch/arm64/kvm/hyp/nvhe/setup.c | 98 +-
arch/arm64/kvm/hyp/pgtable.c | 652 ++++++------
arch/arm64/kvm/hyp/vhe/Makefile | 2 +-
arch/arm64/kvm/irq.h | 16 -
arch/arm64/kvm/mmu.c | 195 ++--
arch/arm64/kvm/pkvm.c | 138 ++-
arch/arm64/kvm/pmu-emul.c | 482 ++++-----
arch/arm64/kvm/reset.c | 29 -
arch/arm64/kvm/sys_regs.c | 157 ++-
arch/arm64/kvm/vgic/vgic-its.c | 20 +
arch/arm64/mm/copypage.c | 7 +-
arch/arm64/mm/fault.c | 4 +-
arch/arm64/mm/mteswap.c | 16 +-
arch/powerpc/kvm/book3s_64_mmu_hv.c | 2 +-
arch/powerpc/kvm/book3s_64_mmu_radix.c | 2 +-
arch/powerpc/kvm/irq.h | 22 -
arch/powerpc/kvm/powerpc.c | 18 +-
arch/s390/include/asm/kvm_host.h | 14 +-
arch/s390/include/asm/mem_encrypt.h | 4 +-
arch/s390/include/asm/stacktrace.h | 1 +
arch/s390/include/asm/uv.h | 10 +
arch/s390/kernel/asm-offsets.c | 1 +
arch/s390/kernel/entry.S | 26 +-
arch/s390/kernel/uv.c | 7 +
arch/s390/kvm/intercept.c | 9 +-
arch/s390/kvm/interrupt.c | 5 -
arch/s390/kvm/irq.h | 19 -
arch/s390/kvm/kvm-s390.c | 116 +-
arch/s390/kvm/kvm-s390.h | 8 +-
arch/s390/kvm/priv.c | 3 +-
arch/s390/kvm/pv.c | 357 ++++++-
arch/s390/kvm/vsie.c | 4 +-
arch/s390/mm/gmap.c | 147 +--
arch/s390/mm/init.c | 12 +-
arch/x86/events/intel/lbr.c | 6 +-
arch/x86/include/asm/cpufeatures.h | 3 +
arch/x86/include/asm/hyperv-tlfs.h | 37 +
arch/x86/include/asm/kvm-x86-ops.h | 4 +-
arch/x86/include/asm/kvm_host.h | 145 ++-
arch/x86/include/asm/perf_event.h | 6 +-
arch/x86/include/asm/svm.h | 100 +-
arch/x86/include/uapi/asm/kvm.h | 13 +-
arch/x86/kernel/kvm.c | 2 +-
arch/x86/kvm/Kconfig | 11 +
arch/x86/kvm/Makefile | 6 +-
arch/x86/kvm/cpuid.c | 33 +-
arch/x86/kvm/emulate.c | 355 +------
arch/x86/kvm/hyperv.c | 353 +++++--
arch/x86/kvm/hyperv.h | 64 +-
arch/x86/kvm/irq.c | 7 +-
arch/x86/kvm/kvm_cache_regs.h | 5 -
arch/x86/kvm/kvm_emulate.h | 48 +-
arch/x86/kvm/lapic.c | 16 +-
arch/x86/kvm/lapic.h | 2 +-
arch/x86/kvm/mmu/mmu.c | 176 ++-
arch/x86/kvm/mmu/mmu_internal.h | 33 +-
arch/x86/kvm/mmu/paging_tmpl.h | 6 +-
arch/x86/kvm/mmu/spte.c | 12 +
arch/x86/kvm/mmu/spte.h | 19 +-
arch/x86/kvm/mmu/tdp_mmu.c | 114 +-
arch/x86/kvm/mmu/tdp_mmu.h | 2 +
arch/x86/kvm/pmu.c | 90 +-
arch/x86/kvm/pmu.h | 6 +-
arch/x86/kvm/reverse_cpuid.h | 25 +-
arch/x86/kvm/smm.c | 649 ++++++++++++
arch/x86/kvm/smm.h | 168 +++
arch/x86/kvm/svm/hyperv.c | 18 +
arch/x86/kvm/svm/hyperv.h | 50 +-
arch/x86/kvm/svm/nested.c | 52 +-
arch/x86/kvm/svm/pmu.c | 4 +-
arch/x86/kvm/svm/sev.c | 6 +-
arch/x86/kvm/svm/svm.c | 63 +-
arch/x86/kvm/svm/svm.h | 5 +-
arch/x86/kvm/svm/svm_onhyperv.c | 8 +-
arch/x86/kvm/svm/svm_onhyperv.h | 25 +-
arch/x86/kvm/trace.h | 36 +-
arch/x86/kvm/vmx/capabilities.h | 24 -
arch/x86/kvm/vmx/{evmcs.c => hyperv.c} | 45 +-
arch/x86/kvm/vmx/{evmcs.h => hyperv.h} | 12 +-
arch/x86/kvm/vmx/nested.c | 108 +-
arch/x86/kvm/vmx/nested.h | 7 +-
arch/x86/kvm/vmx/pmu_intel.c | 11 +-
arch/x86/kvm/vmx/sgx.c | 4 +-
arch/x86/kvm/vmx/vmcs12.h | 5 +-
arch/x86/kvm/vmx/vmenter.S | 2 +
arch/x86/kvm/vmx/vmx.c | 104 +-
arch/x86/kvm/vmx/vmx_ops.h | 20 +-
arch/x86/kvm/x86.c | 533 +++-------
arch/x86/kvm/x86.h | 1 +
arch/x86/kvm/xen.c | 505 ++++++---
arch/x86/kvm/xen.h | 13 +-
drivers/s390/crypto/vfio_ap_ops.c | 2 +-
fs/proc/page.c | 3 +-
include/asm-generic/hyperv-tlfs.h | 5 +
include/asm-generic/mshyperv.h | 11 +-
include/kvm/arm_pmu.h | 15 +-
include/kvm/arm_vgic.h | 1 +
include/linux/build_bug.h | 9 +
include/linux/kernel-page-flags.h | 1 +
include/linux/kvm_dirty_ring.h | 20 +-
include/linux/kvm_host.h | 107 +-
include/linux/kvm_types.h | 1 +
include/linux/mm.h | 1 +
include/linux/page-flags.h | 3 +-
include/trace/events/mmflags.h | 9 +-
include/uapi/linux/kvm.h | 31 +-
mm/Kconfig | 8 +
mm/gup.c | 33 +-
mm/huge_memory.c | 3 +-
mm/hugetlb.c | 5 +-
tools/arch/x86/include/asm/atomic.h | 11 +
tools/arch/x86/include/uapi/asm/kvm.h | 8 -
tools/include/asm-generic/atomic-gcc.h | 23 +
tools/include/asm-generic/bitops/atomic.h | 15 +-
tools/include/linux/bitfield.h | 176 +++
tools/include/linux/bitmap.h | 34 -
tools/include/uapi/linux/kvm.h | 20 +-
tools/perf/bench/find-bit-bench.c | 2 +-
tools/perf/builtin-c2c.c | 6 +-
tools/perf/builtin-kwork.c | 6 +-
tools/perf/builtin-record.c | 6 +-
tools/perf/builtin-sched.c | 2 +-
tools/perf/tests/bitmap.c | 2 +-
tools/perf/tests/mem2node.c | 2 +-
tools/perf/util/affinity.c | 4 +-
tools/perf/util/header.c | 8 +-
tools/perf/util/mmap.c | 6 +-
tools/perf/util/pmu.c | 2 +-
.../perf/util/scripting-engines/trace-event-perl.c | 2 +-
.../util/scripting-engines/trace-event-python.c | 2 +-
tools/perf/util/session.c | 2 +-
tools/perf/util/svghelper.c | 2 +-
tools/testing/selftests/kvm/.gitignore | 8 +-
tools/testing/selftests/kvm/Makefile | 16 +-
.../selftests/kvm/aarch64/aarch32_id_regs.c | 6 +-
tools/testing/selftests/kvm/aarch64/arch_timer.c | 31 +-
.../selftests/kvm/aarch64/debug-exceptions.c | 360 +++++--
tools/testing/selftests/kvm/aarch64/hypercalls.c | 3 -
.../selftests/kvm/aarch64/page_fault_test.c | 1117 ++++++++++++++++++++
tools/testing/selftests/kvm/aarch64/psci_test.c | 1 -
tools/testing/selftests/kvm/aarch64/vgic_init.c | 2 -
tools/testing/selftests/kvm/aarch64/vgic_irq.c | 10 +-
.../selftests/kvm/access_tracking_perf_test.c | 52 +-
tools/testing/selftests/kvm/demand_paging_test.c | 250 +----
tools/testing/selftests/kvm/dirty_log_perf_test.c | 130 ++-
tools/testing/selftests/kvm/dirty_log_test.c | 90 +-
.../selftests/kvm/include/aarch64/processor.h | 35 +-
.../testing/selftests/kvm/include/kvm_util_base.h | 75 +-
tools/testing/selftests/kvm/include/memstress.h | 75 ++
.../testing/selftests/kvm/include/perf_test_util.h | 63 --
tools/testing/selftests/kvm/include/test_util.h | 25 +
tools/testing/selftests/kvm/include/ucall_common.h | 18 +-
.../selftests/kvm/include/userfaultfd_util.h | 45 +
tools/testing/selftests/kvm/include/x86_64/evmcs.h | 48 +-
.../testing/selftests/kvm/include/x86_64/hyperv.h | 103 ++
.../selftests/kvm/include/x86_64/processor.h | 442 ++++++--
tools/testing/selftests/kvm/include/x86_64/svm.h | 26 +-
.../selftests/kvm/include/x86_64/svm_util.h | 14 +
tools/testing/selftests/kvm/include/x86_64/vmx.h | 25 +-
tools/testing/selftests/kvm/kvm_page_table_test.c | 6 +-
.../testing/selftests/kvm/lib/aarch64/processor.c | 83 +-
tools/testing/selftests/kvm/lib/aarch64/ucall.c | 102 +-
tools/testing/selftests/kvm/lib/elf.c | 5 +-
tools/testing/selftests/kvm/lib/kvm_util.c | 193 +++-
.../kvm/lib/{perf_test_util.c => memstress.c} | 136 ++-
tools/testing/selftests/kvm/lib/riscv/processor.c | 29 +-
tools/testing/selftests/kvm/lib/riscv/ucall.c | 42 +-
tools/testing/selftests/kvm/lib/s390x/processor.c | 8 +-
tools/testing/selftests/kvm/lib/s390x/ucall.c | 39 +-
tools/testing/selftests/kvm/lib/test_util.c | 36 +
tools/testing/selftests/kvm/lib/ucall_common.c | 103 ++
tools/testing/selftests/kvm/lib/userfaultfd_util.c | 186 ++++
tools/testing/selftests/kvm/lib/x86_64/hyperv.c | 46 +
.../lib/x86_64/{perf_test_util.c => memstress.c} | 37 +-
tools/testing/selftests/kvm/lib/x86_64/processor.c | 314 +++---
tools/testing/selftests/kvm/lib/x86_64/ucall.c | 39 +-
tools/testing/selftests/kvm/lib/x86_64/vmx.c | 56 +-
.../testing/selftests/kvm/max_guest_memory_test.c | 21 +-
.../kvm/memslot_modification_stress_test.c | 44 +-
tools/testing/selftests/kvm/memslot_perf_test.c | 339 +++---
tools/testing/selftests/kvm/rseq_test.c | 4 -
tools/testing/selftests/kvm/s390x/memop.c | 2 -
tools/testing/selftests/kvm/s390x/resets.c | 2 -
tools/testing/selftests/kvm/s390x/sync_regs_test.c | 3 -
.../testing/selftests/kvm/set_memory_region_test.c | 5 +-
tools/testing/selftests/kvm/steal_time.c | 1 -
.../selftests/kvm/system_counter_offset_test.c | 1 -
tools/testing/selftests/kvm/x86_64/amx_test.c | 112 +-
tools/testing/selftests/kvm/x86_64/cpuid_test.c | 11 +-
.../selftests/kvm/x86_64/cr4_cpuid_sync_test.c | 3 -
.../selftests/kvm/x86_64/emulator_error_test.c | 193 ----
.../kvm/x86_64/exit_on_emulation_failure_test.c | 45 +
.../testing/selftests/kvm/x86_64/flds_emulation.h | 55 +
tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c | 3 -
.../kvm/x86_64/{evmcs_test.c => hyperv_evmcs.c} | 100 +-
.../testing/selftests/kvm/x86_64/hyperv_features.c | 25 +-
tools/testing/selftests/kvm/x86_64/hyperv_ipi.c | 314 ++++++
.../testing/selftests/kvm/x86_64/hyperv_svm_test.c | 103 +-
.../selftests/kvm/x86_64/hyperv_tlb_flush.c | 690 ++++++++++++
.../selftests/kvm/x86_64/nx_huge_pages_test.c | 5 +-
.../selftests/kvm/x86_64/platform_info_test.c | 3 -
.../selftests/kvm/x86_64/pmu_event_filter_test.c | 77 +-
.../testing/selftests/kvm/x86_64/set_sregs_test.c | 3 -
.../kvm/x86_64/smaller_maxphyaddr_emulation_test.c | 111 ++
tools/testing/selftests/kvm/x86_64/smm_test.c | 2 +
.../kvm/x86_64/svm_nested_soft_inject_test.c | 3 -
.../testing/selftests/kvm/x86_64/sync_regs_test.c | 3 -
.../selftests/kvm/x86_64/userspace_io_test.c | 3 -
.../selftests/kvm/x86_64/userspace_msr_exit_test.c | 88 +-
.../selftests/kvm/x86_64/vmx_dirty_log_test.c | 1 +
tools/testing/selftests/kvm/x86_64/vmx_msrs_test.c | 47 +
.../selftests/kvm/x86_64/vmx_pmu_caps_test.c | 19 +-
.../selftests/kvm/x86_64/xapic_state_test.c | 4 +-
.../testing/selftests/kvm/x86_64/xen_shinfo_test.c | 141 ++-
virt/kvm/Kconfig | 6 +
virt/kvm/dirty_ring.c | 46 +-
virt/kvm/irqchip.c | 3 +-
virt/kvm/kvm_main.c | 107 +-
virt/kvm/kvm_mm.h | 4 +-
virt/kvm/pfncache.c | 114 +-
257 files changed, 12068 insertions(+), 4988 deletions(-)

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