[GIT PULL] KVM changes for Linux 4.17
From: Paolo Bonzini
Date: Mon Apr 09 2018 - 12:42:34 EST
Linus,
The following changes since commit 27e91ad1e746e341ca2312f29bccb9736be7b476:
kvm: arm/arm64: vgic-v3: Tighten synchronization for guests using v2 on v3 (2018-03-14 18:31:26 +0000)
are available in the git repository at:
git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus
for you to fetch changes up to e01bca2fc698d7f0626f0214001af523e18ad60b:
kvm: x86: fix a prototype warning (2018-04-06 18:20:31 +0200)
----------------------------------------------------------------
ARM:
- VHE optimizations
- EL2 address space randomization
- speculative execution mitigations ("variant 3a", aka execution past invalid
privilege register access)
- bugfixes and cleanups
PPC:
- improvements for the radix page fault handler for HV KVM on POWER9
s390:
- more kvm stat counters
- virtio gpu plumbing
- documentation
- facilities improvements
x86:
- support for VMware magic I/O port and pseudo-PMCs
- AMD pause loop exiting
- support for AMD core performance extensions
- support for synchronous register access
- expose nVMX capabilities to userspace
- support for Hyper-V signaling via eventfd
- use Enlightened VMCS when running on Hyper-V
- allow userspace to disable MWAIT/HLT/PAUSE vmexits
- usual roundup of optimizations and nested virtualization bugfixes
Generic:
- API selftest infrastructure (though the only tests are for x86 as of now)
----------------------------------------------------------------
There are a few conflicts:
- bugfixes in 4.16 (arch/x86)
- independent ARM tree changes (arch/arm*)
- a Kconfig conflict in drivers/video/console.
It's not hard to solve but I placed a sample resolution anyway at
git://git.kernel.org/pub/scm/virt/kvm/kvm.git, branch kvm-4.17-resolution.
Thanks,
Paolo
Andi Kleen (1):
KVM: x86: Fix perf timer mode IP reporting
Andrew Jones (1):
KVM: trivial documentation cleanups
Arbel Moshe (1):
KVM: x86: Add support for VMware backdoor Pseudo-PMCs
Arnd Bergmann (1):
x86: kvm: hide the unused 'cpu' variable
Babu Moger (5):
KVM: VMX: Fix the module parameters for vmx
KVM: VMX: Remove ple_window_actual_max
KVM: VMX: Bring the common code to header file
KVM: SVM: Add pause filter threshold
KVM: SVM: Implement pause loop exit logic in SVM
Christian Borntraeger (4):
KVM: s390: implement CPU model only facilities
KVM: document KVM_CAP_S390_[BPB|PSW|GMAP|COW]
KVM: s390: add exit io request stats and simplify code
KVM: s390: provide counters for all interrupt injects/delivery
Christoffer Dall (39):
KVM: arm/arm64: Avoid vcpu_load for other vcpu ioctls than KVM_RUN
KVM: arm/arm64: Move vcpu_load call after kvm_vcpu_first_run_init
KVM: arm64: Avoid storing the vcpu pointer on the stack
KVM: arm64: Rework hyp_panic for VHE and non-VHE
KVM: arm/arm64: Get rid of vcpu->arch.irq_lines
KVM: arm/arm64: Add kvm_vcpu_load_sysregs and kvm_vcpu_put_sysregs
KVM: arm/arm64: Introduce vcpu_el1_is_32bit
KVM: arm64: Move debug dirty flag calculation out of world switch
KVM: arm64: Slightly improve debug save/restore functions
KVM: arm64: Improve debug register save/restore flow
KVM: arm64: Factor out fault info population and gic workarounds
KVM: arm64: Introduce VHE-specific kvm_vcpu_run
KVM: arm64: Remove kern_hyp_va() use in VHE switch function
KVM: arm64: Don't deactivate VM on VHE systems
KVM: arm64: Remove noop calls to timer save/restore from VHE switch
KVM: arm64: Move userspace system registers into separate function
KVM: arm64: Rewrite sysreg alternatives to static keys
KVM: arm64: Introduce separate VHE/non-VHE sysreg save/restore functions
KVM: arm/arm64: Remove leftover comment from kvm_vcpu_run_vhe
KVM: arm64: Unify non-VHE host/guest sysreg save and restore functions
KVM: arm64: Don't save the host ELR_EL2 and SPSR_EL2 on VHE systems
KVM: arm64: Change 32-bit handling of VM system registers
KVM: arm64: Rewrite system register accessors to read/write functions
KVM: arm64: Introduce framework for accessing deferred sysregs
KVM: arm/arm64: Prepare to handle deferred save/restore of SPSR_EL1
KVM: arm64: Prepare to handle deferred save/restore of ELR_EL1
KVM: arm64: Defer saving/restoring 64-bit sysregs to vcpu load/put on VHE
KVM: arm64: Prepare to handle deferred save/restore of 32-bit registers
KVM: arm64: Defer saving/restoring 32-bit sysregs to vcpu load/put
KVM: arm64: Move common VHE/non-VHE trap config in separate functions
KVM: arm64: Directly call VHE and non-VHE FPSIMD enabled functions
KVM: arm64: Configure c15, PMU, and debug register traps on cpu load/put for VHE
KVM: arm64: Cleanup __activate_traps and __deactive_traps for VHE and non-VHE
KVM: arm/arm64: Get rid of vgic_elrsr
KVM: arm/arm64: Handle VGICv2 save/restore from the main VGIC code
KVM: arm/arm64: Move arm64-only vgic-v2-sr.c file to arm64
KVM: arm/arm64: Handle VGICv3 save/restore from the main VGIC code on VHE
KVM: arm/arm64: Move VGIC APR save/restore to vgic put/load
KVM: arm/arm64: Avoid VGICv3 save/restore on VHE with no IRQs
Cole Robinson (3):
tools/kvm_stat: Fix python3 syntax
tools/kvm_stat: Don't use deprecated file()
tools/kvm_stat: Remove unused function
Dan Carpenter (1):
kvm: x86: hyperv: delete dead code in kvm_hv_hypercall()
Dave Martin (1):
arm64: KVM: Move CPU ID reg trap setup off the world switch path
Farhan Ali (3):
Kconfig: Remove HAS_IOMEM dependency for Graphics support
s390/char: Rename EBCDIC keymap variables
s390/setup: enable display support for KVM guest
Gal Hammer (1):
kvm: use insert sort in kvm_io_bus_register_dev function
Janakarajan Natarajan (2):
x86/msr: Add AMD Core Perf Extension MSRs
KVM: x86: Add support for AMD Core Perf Extension in guest
Janosch Frank (1):
KVM: s390: Refactor host cmma and pfmfi interpretation controls
JÃrÃmy FanguÃde (2):
KVM: arm64: Enable the EL1 physical timer for AArch32 guests
KVM: arm: Enable emulation of the physical timer
KarimAllah Ahmed (1):
KVM: x86: Update the exit_qualification access bits while walking an address
Ken Hofsass (2):
KVM: x86: add SYNC_REGS_SIZE_BYTES #define.
KVM: x86: KVM_CAP_SYNC_REGS
Krish Sadhukhan (1):
KVM: nVMX: Enforce NMI controls on vmentry of L2 guests
Ladi Prosek (1):
x86/kvm: rename HV_X64_MSR_APIC_ASSIST_PAGE to HV_X64_MSR_VP_ASSIST_PAGE
Liran Alon (12):
KVM: x86: Add module parameter for supporting VMware backdoor
KVM: x86: Always allow access to VMware backdoor I/O ports
KVM: x86: Add emulation_type to not raise #UD on emulation failure
KVM: x86: Emulate only IN/OUT instructions when accessing VMware backdoor
KVM: x86: VMX: Intercept #GP to support access to VMware backdoor ports
KVM: x86: SVM: Intercept #GP to support access to VMware backdoor ports
KVM: nVMX: Do not load EOI-exitmap while running L2
KVM: VMX: No need to clear pending NMI/interrupt on inject realmode interrupt
KVM: x86: Rename interrupt.pending to interrupt.injected
KVM: x86: Fix misleading comments on handling pending exceptions
KVM: nVMX: Require immediate-exit when event reinjected to L2 and L1 event pending
KVM: nVMX: Optimization: Dont set KVM_REQ_EVENT when VMExit with nested_run_pending
Marc Zyngier (31):
arm64: alternatives: Add dynamic patching feature
arm64: insn: Add N immediate encoding
arm64: insn: Add encoder for bitwise operations using literals
arm64: KVM: Dynamically patch the kernel/hyp VA mask
arm64: cpufeatures: Drop the ARM64_HYP_OFFSET_LOW feature flag
KVM: arm/arm64: Do not use kern_hyp_va() with kvm_vgic_global_state
KVM: arm/arm64: Demote HYP VA range display to being a debug feature
KVM: arm/arm64: Move ioremap calls to create_hyp_io_mappings
KVM: arm/arm64: Keep GICv2 HYP VAs in kvm_vgic_global_state
KVM: arm/arm64: Fix idmap size and alignment
KVM: arm64: Fix HYP idmap unmap when using 52bit PA
KVM: arm/arm64: Move HYP IO VAs to the "idmap" range
arm64; insn: Add encoder for the EXTR instruction
arm64: insn: Allow ADD/SUB (immediate) with LSL #12
arm64: KVM: Dynamically compute the HYP VA mask
arm64: KVM: Introduce EL2 VA randomisation
arm64: Update the KVM memory map documentation
arm64: KVM: Move vector offsetting from hyp-init.S to kvm_get_hyp_vector
arm64: KVM: Move stashing of x0/x1 into the vector code itself
arm64: KVM: Move BP hardening vectors into .hyp.text section
arm64: KVM: Reserve 4 additional instructions in the BPI template
arm64: KVM: Allow far branches from vector slots to the main vectors
arm/arm64: KVM: Introduce EL2-specific executable mappings
arm64: Make BP hardening slot counter available
arm64: KVM: Allow mapping of vectors outside of the RAM region
arm64: Enable ARM64_HARDEN_EL2_VECTORS on Cortex-A57 and A72
Merge tag 'kvm-arm-fixes-for-v4.16-2' into HEAD
KVM: arm/arm64: vgic: Disallow Active+Pending for level interrupts
KVM: arm/arm64: vgic-its: Fix potential overrun in vgic_copy_lpi_list
Revert "arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening"
arm64: Add temporary ERRATA_MIDR_ALL_VERSIONS compatibility macro
Mark Rutland (1):
arm64/kvm: Prohibit guest LOR accesses
Matthias Kaehlcke (1):
KVM: x86: Make enum conversion explicit in kvm_pdptr_read()
Paolo Bonzini (7):
KVM: nVMX: introduce struct nested_vmx_msrs
KVM: nVMX: expose VMX capabilities for nested hypervisors to userspace
Merge tag 'kvm-s390-next-4.17-1' of git://git.kernel.org/.../kvms390/linux into HEAD
KVM: nVMX: fix vmentry failure code when L2 state would require emulation
KVM: vmx: unify adjacent #ifdefs
kvm: selftests: add API testing infrastructure
kvm: selftests: add sync_regs_test
Paul Mackerras (5):
KVM: PPC: Remove unused kvm_unmap_hva callback
KVM: PPC: Book3S HV: Radix page fault handler optimizations
KVM: PPC: Book3S HV: Streamline setting of reference and change bits
KVM: PPC: Book3S HV: Handle 1GB pages in radix page fault handler
KVM: PPC: Book3S HV: Use __gfn_to_pfn_memslot() in page fault handler
Peng Hao (2):
kvm: x86: fix a compile warning
kvm: x86: fix a prototype warning
Peter Maydell (1):
KVM: arm: Reserve bit in KVM_REG_ARM encoding for secure/nonsecure
QingFeng Hao (1):
KVM: add machine check counter to kvm_stat
Radim KrÄmÃÅ (2):
Merge tag 'kvm-arm-for-v4.17' of git://git.kernel.org/.../kvmarm/kvmarm
Merge tag 'kvm-ppc-next-4.17-1' of git://git.kernel.org/.../paulus/powerpc
Roman Kagan (2):
kvm: x86: factor out kvm.arch.hyperv (de)init
kvm: x86: hyperv: guest->host event signaling via eventfd
Sean Christopherson (16):
KVM: VMX: don't configure RM TSS for unrestricted guest
KVM: VMX: don't configure EPT identity map for unrestricted guest
KVM: VMX: remove CR0.WP from ..._ALWAYS_ON_UNRESTRICTED_GUEST
KVM: VMX: don't force CR4.PAE/PSE for unrestricted guest
KVM: VMX: give unrestricted guest full control of CR3
KVM: VMX: WARN on a MOV CR3 exit w/ unrestricted guest
KVM: vVMX: signal failure for nested VMEntry if emulation_required
KVM: VMX: use kvm_fast_pio_in for handling IN I/O
KVM: x86: add kvm_fast_pio() to consolidate fast PIO code
KVM: x86: define SVM/VMX specific kvm_arch_[alloc|free]_vm
KVM: x86: move setting of ept_identity_map_addr to vmx.c
KVM: VMX: add struct kvm_vmx to hold VMX specific KVM vars
KVM: SVM: add struct kvm_svm to hold SVM specific KVM vars
KVM: VMX: raise internal error for exception during invalid protected mode state
Revert "KVM: X86: Fix SMRAM accessing even if VM is shutdown"
KVM: VMX: remove bogus WARN_ON in handle_ept_misconfig
Sebastian Ott (1):
KVM: s390: fix fallthrough annotation
Shanker Donthineni (2):
KVM: arm/arm64: No need to zero CNTVOFF in kvm_timer_vcpu_put() for VHE
arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening
Shih-Wei Li (1):
KVM: arm64: Move HCR_INT_OVERRIDE to default HCR_EL2 guest flag
Stefan Fritsch (1):
kvm: Add emulation for movups/movupd
Vitaly Kuznetsov (12):
KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use
x86/kvm/hyper-v: add reenlightenment MSRs support
x86/kvm/hyper-v: remove stale entries from vec_bitmap/auto_eoi_bitmap on vector change
x86/kvm/hyper-v: inject #GP only when invalid SINTx vector is unmasked
x86/kvm/vmx: read MSR_{FS,KERNEL_GS}_BASE from current->thread
x86/kvm/vmx: avoid expensive rdmsr for MSR_GS_BASE
x86/hyper-v: move hyperv.h out of uapi
x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
x86/hyper-v: allocate and use Virtual Processor Assist Pages
x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
x86/hyper-v: detect nested features
x86/kvm: use Enlightened VMCS when running on Hyper-V
Wanpeng Li (9):
KVM: Introduce paravirtualization hints and KVM_HINTS_DEDICATED
KVM: X86: Choose qspinlock when dedicated physical CPUs are available
KVM: X86: Don't use PV TLB flush with dedicated physical CPUs
KVM: X86: Provide a capability to disable MWAIT intercepts
KVM: X86: Provide a capability to disable HLT intercepts
KVM: X86: Provide a capability to disable PAUSE intercepts
KVM: X86: Fix setup the virt_spin_lock_key before static key get initialized
KVM: X86: Introduce handle_ud()
KVM: X86: Add Force Emulation Prefix for "emulate the next instruction"
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arch/parisc/kernel/head.S | 18 +-
arch/parisc/kernel/pacache.S | 22 +
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tools/perf/check-headers.sh | 1 -
.../pmu-events/arch/arm64/cortex-a53/branch.json | 27 +
.../perf/pmu-events/arch/arm64/cortex-a53/bus.json | 22 +
.../pmu-events/arch/arm64/cortex-a53/cache.json | 27 +
.../pmu-events/arch/arm64/cortex-a53/memory.json | 22 +
.../pmu-events/arch/arm64/cortex-a53/other.json | 32 +
.../pmu-events/arch/arm64/cortex-a53/pipeline.json | 52 +
tools/perf/pmu-events/arch/arm64/mapfile.csv | 1 +
tools/perf/tests/backward-ring-buffer.c | 7 +-
.../perf/tests/shell/trace+probe_libc_inet_pton.sh | 23 +-
tools/perf/ui/browsers/hists.c | 38 +-
tools/perf/ui/browsers/hists.h | 3 +-
tools/perf/util/evlist.c | 17 -
tools/perf/util/evlist.h | 4 -
tools/perf/util/evsel.c | 12 +-
tools/perf/util/evsel.h | 14 +
tools/perf/util/hist.h | 6 +-
tools/perf/util/mmap.c | 141 +-
tools/perf/util/mmap.h | 10 +-
tools/perf/util/util.c | 24 +-
tools/power/acpi/Makefile.config | 3 -
tools/scripts/Makefile.include | 18 +
tools/spi/Makefile | 2 -
tools/testing/radix-tree/idr-test.c | 52 +
tools/testing/radix-tree/linux.c | 11 +-
tools/testing/radix-tree/linux/compiler_types.h | 0
tools/testing/radix-tree/linux/gfp.h | 1 +
tools/testing/radix-tree/linux/slab.h | 6 +
tools/testing/selftests/Makefile | 1 +
tools/testing/selftests/android/Makefile | 8 +-
tools/testing/selftests/bpf/.gitignore | 1 +
tools/testing/selftests/bpf/test_maps.c | 2 +
tools/testing/selftests/bpf/test_tcpbpf_kern.c | 1 -
tools/testing/selftests/bpf/test_verifier.c | 26 +
tools/testing/selftests/futex/Makefile | 6 +-
tools/testing/selftests/kvm/Makefile | 39 +
tools/testing/selftests/kvm/include/kvm_util.h | 142 ++
tools/testing/selftests/kvm/include/sparsebit.h | 75 +
tools/testing/selftests/kvm/include/test_util.h | 45 +
tools/testing/selftests/kvm/include/x86.h | 1043 ++++++++++
tools/testing/selftests/kvm/lib/assert.c | 87 +
tools/testing/selftests/kvm/lib/elf.c | 197 ++
tools/testing/selftests/kvm/lib/io.c | 158 ++
tools/testing/selftests/kvm/lib/kvm_util.c | 1480 ++++++++++++++
.../testing/selftests/kvm/lib/kvm_util_internal.h | 67 +
tools/testing/selftests/kvm/lib/sparsebit.c | 2087 ++++++++++++++++++++
tools/testing/selftests/kvm/lib/x86.c | 700 +++++++
tools/testing/selftests/kvm/set_sregs_test.c | 54 +
tools/testing/selftests/kvm/sync_regs_test.c | 232 +++
tools/testing/selftests/memfd/Makefile | 1 +
tools/testing/selftests/memfd/config | 1 +
tools/testing/selftests/memory-hotplug/Makefile | 2 +-
.../powerpc/alignment/alignment_handler.c | 2 +-
tools/testing/selftests/pstore/config | 1 +
tools/testing/selftests/seccomp/seccomp_bpf.c | 61 +
tools/testing/selftests/sync/Makefile | 2 +-
tools/testing/selftests/vDSO/Makefile | 14 +-
tools/testing/selftests/vm/.gitignore | 1 +
tools/testing/selftests/x86/Makefile | 24 +-
tools/testing/selftests/x86/mpx-mini-test.c | 32 +-
tools/testing/selftests/x86/protection_keys.c | 28 -
tools/testing/selftests/x86/single_step_syscall.c | 5 +-
tools/testing/selftests/x86/test_mremap_vdso.c | 4 +
tools/testing/selftests/x86/test_vdso.c | 55 +-
tools/testing/selftests/x86/test_vsyscall.c | 11 +-
tools/usb/Makefile | 1 -
tools/vm/Makefile | 1 -
tools/wmi/Makefile | 1 -
virt/kvm/arm/aarch32.c | 2 +-
virt/kvm/arm/arch_timer.c | 10 +-
virt/kvm/arm/arm.c | 48 +-
virt/kvm/arm/hyp/timer-sr.c | 44 +-
virt/kvm/arm/hyp/vgic-v2-sr.c | 159 --
virt/kvm/arm/hyp/vgic-v3-sr.c | 247 ++-
virt/kvm/arm/mmu.c | 176 +-
virt/kvm/arm/pmu.c | 36 +-
virt/kvm/arm/vgic/vgic-init.c | 17 -
virt/kvm/arm/vgic/vgic-its.c | 15 +-
virt/kvm/arm/vgic/vgic-v2.c | 152 +-
virt/kvm/arm/vgic/vgic-v3.c | 66 +-
virt/kvm/arm/vgic/vgic.c | 33 +
virt/kvm/arm/vgic/vgic.h | 3 +
virt/kvm/kvm_main.c | 39 +-
1123 files changed, 22259 insertions(+), 7941 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-dock
create mode 100644 Documentation/ABI/testing/sysfs-platform-dptf
rename Documentation/devicetree/bindings/{misc => auxdisplay}/arm-charlcd.txt (100%)
create mode 100644 Documentation/devicetree/bindings/power/mti,mips-cpc.txt
create mode 100644 Documentation/features/sched/membarrier-sync-core/arch-support.txt
create mode 100644 arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
create mode 100644 arch/arm64/kvm/va_layout.c
rename arch/x86/include/{uapi/asm/hyperv.h => asm/hyperv-tlfs.h} (63%)
create mode 100644 arch/x86/kvm/vmx_evmcs.h
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_rotator.h
rename drivers/media/{v4l2-core => common/videobuf2}/vb2-trace.c (100%)
delete mode 100644 drivers/scsi/aic7xxx/aiclib.c
delete mode 100644 tools/arch/s390/include/uapi/asm/unistd.h
create mode 100644 tools/perf/arch/s390/entry/syscalls/syscall.tbl
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
create mode 100644 tools/testing/radix-tree/linux/compiler_types.h
create mode 100644 tools/testing/selftests/kvm/Makefile
create mode 100644 tools/testing/selftests/kvm/include/kvm_util.h
create mode 100644 tools/testing/selftests/kvm/include/sparsebit.h
create mode 100644 tools/testing/selftests/kvm/include/test_util.h
create mode 100644 tools/testing/selftests/kvm/include/x86.h
create mode 100644 tools/testing/selftests/kvm/lib/assert.c
create mode 100644 tools/testing/selftests/kvm/lib/elf.c
create mode 100644 tools/testing/selftests/kvm/lib/io.c
create mode 100644 tools/testing/selftests/kvm/lib/kvm_util.c
create mode 100644 tools/testing/selftests/kvm/lib/kvm_util_internal.h
create mode 100644 tools/testing/selftests/kvm/lib/sparsebit.c
create mode 100644 tools/testing/selftests/kvm/lib/x86.c
create mode 100644 tools/testing/selftests/kvm/set_sregs_test.c
create mode 100644 tools/testing/selftests/kvm/sync_regs_test.c
create mode 100644 tools/testing/selftests/memfd/config
delete mode 100644 virt/kvm/arm/hyp/vgic-v2-sr.c