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Message-Id: <1569586082-13995-1-git-send-email-pbonzini@redhat.com>
Date: Fri, 27 Sep 2019 14:08:02 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: torvalds@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, rkrcmar@...hat.com,
kvm@...r.kernel.org
Subject: [GIT PULL] Second batch of KVM changes for Linux 5.4 merge window
Linus,
The following changes since commit 4c07e2ddab5b6b57dbcb09aedbda1f484d5940cc:
Merge tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd (2019-09-23 19:37:49 -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 fd3edd4a9066f28de99a16685a586d68a9f551f8:
KVM: nVMX: cleanup and fix host 64-bit mode checks (2019-09-25 19:22:33 +0200)
----------------------------------------------------------------
x86 KVM changes:
* The usual accuracy improvements for nested virtualization
* The usual round of code cleanups from Sean
* Added back optimizations that were prematurely removed in 5.2
(the bare minimum needed to fix the regression was in 5.3-rc8,
here comes the rest)
* Support for UMWAIT/UMONITOR/TPAUSE
* Direct L2->L0 TLB flushing when L0 is Hyper-V and L1 is KVM
* Tell Windows guests if SMT is disabled on the host
* More accurate detection of vmexit cost
* Revert a pvqspinlock pessimization
----------------------------------------------------------------
Jim Mattson (3):
kvm: x86: Add Intel PMU MSRs to msrs_to_save[]
kvm: x86: Add "significant index" flag to a few CPUID leaves
kvm: svm: Intercept RDPRU
Krish Sadhukhan (1):
KVM: nVMX: Check Host Address Space Size on vmentry of nested guests
Marc Orr (1):
kvm: nvmx: limit atomic switch MSRs
Paolo Bonzini (1):
KVM: nVMX: cleanup and fix host 64-bit mode checks
Peter Xu (4):
KVM: selftests: Move vm type into _vm_create() internally
KVM: selftests: Create VM earlier for dirty log test
KVM: selftests: Introduce VM_MODE_PXXV48_4K
KVM: selftests: Remove duplicate guest mode handling
Sean Christopherson (30):
KVM: x86: Manually flush collapsible SPTEs only when toggling flags
KVM: x86: Relocate MMIO exit stats counting
KVM: x86: Clean up handle_emulation_failure()
KVM: x86: Refactor kvm_vcpu_do_singlestep() to remove out param
KVM: x86: Don't attempt VMWare emulation on #GP with non-zero error code
KVM: x86: Move #GP injection for VMware into x86_emulate_instruction()
KVM: x86: Add explicit flag for forced emulation on #UD
KVM: x86: Move #UD injection for failed emulation into emulation code
KVM: x86: Exit to userspace on emulation skip failure
KVM: x86: Handle emulation failure directly in kvm_task_switch()
KVM: x86: Move triple fault request into RM int injection
KVM: VMX: Remove EMULATE_FAIL handling in handle_invalid_guest_state()
KVM: x86: Remove emulation_result enums, EMULATE_{DONE,FAIL,USER_EXIT}
KVM: VMX: Handle single-step #DB for EMULTYPE_SKIP on EPT misconfig
KVM: x86: Add comments to document various emulation types
KVM: x86/mmu: Treat invalid shadow pages as obsolete
KVM: x86/mmu: Use fast invalidate mechanism to zap MMIO sptes
KVM: x86/mmu: Revert "Revert "KVM: MMU: show mmu_valid_gen in shadow page related tracepoints""
KVM: x86/mmu: Revert "Revert "KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages""
KVM: x86/mmu: Revert "Revert "KVM: MMU: zap pages in batch""
KVM: x86/mmu: Revert "Revert "KVM: MMU: collapse TLB flushes when zap all pages""
KVM: x86/mmu: Revert "Revert "KVM: MMU: reclaim the zapped-obsolete page first""
KVM: x86/mmu: Revert "KVM: x86/mmu: Remove is_obsolete() call"
KVM: x86/mmu: Explicitly track only a single invalid mmu generation
KVM: x86/mmu: Skip invalid pages during zapping iff root_count is zero
KVM: x86: Check kvm_rebooting in kvm_spurious_fault()
KVM: VMX: Optimize VMX instruction error and fault handling
KVM: VMX: Add error handling to VMREAD helper
KVM: x86: Drop ____kvm_handle_fault_on_reboot()
KVM: x86: Don't check kvm_rebooting in __kvm_handle_fault_on_reboot()
Tao Xu (3):
KVM: x86: Add support for user wait instructions
KVM: vmx: Emulate MSR IA32_UMWAIT_CONTROL
KVM: vmx: Introduce handle_unexpected_vmexit and handle WAITPKG vmexit
Tianyu Lan (2):
x86/Hyper-V: Fix definition of struct hv_vp_assist_page
KVM/Hyper-V: Add new KVM capability KVM_CAP_HYPERV_DIRECT_TLBFLUSH
Vitaly Kuznetsov (8):
KVM/Hyper-V/VMX: Add direct tlb flush support
KVM: x86: svm: remove unneeded nested_enable_evmcs() hook
KVM: x86: announce KVM_CAP_HYPERV_ENLIGHTENED_VMCS support only when it is available
cpu/SMT: create and export cpu_smt_possible()
KVM: x86: hyper-v: set NoNonArchitecturalCoreSharing CPUID bit when SMT is impossible
KVM: selftests: hyperv_cpuid: add check for NoNonArchitecturalCoreSharing bit
KVM: selftests: fix ucall on x86
KVM: vmx: fix build warnings in hv_enable_direct_tlbflush() on i386
Wanpeng Li (3):
KVM: hyperv: Fix Direct Synthetic timers assert an interrupt w/o lapic_in_kernel
KVM: LAPIC: Tune lapic_timer_advance_ns smoothly
Revert "locking/pvqspinlock: Don't wait if vCPU is preempted"
Documentation/virt/kvm/api.txt | 13 +
arch/x86/include/asm/hyperv-tlfs.h | 31 ++-
arch/x86/include/asm/kvm_host.h | 64 +++--
arch/x86/include/asm/svm.h | 1 +
arch/x86/include/asm/vmx.h | 2 +
arch/x86/include/uapi/asm/svm.h | 1 +
arch/x86/include/uapi/asm/vmx.h | 6 +-
arch/x86/kernel/cpu/umwait.c | 6 +
arch/x86/kvm/cpuid.c | 8 +-
arch/x86/kvm/hyperv.c | 16 +-
arch/x86/kvm/lapic.c | 28 +-
arch/x86/kvm/lapic.h | 1 -
arch/x86/kvm/mmu.c | 145 +++++-----
arch/x86/kvm/mmutrace.h | 42 ++-
arch/x86/kvm/svm.c | 79 +++---
arch/x86/kvm/vmx/capabilities.h | 6 +
arch/x86/kvm/vmx/evmcs.h | 2 +
arch/x86/kvm/vmx/nested.c | 70 ++++-
arch/x86/kvm/vmx/ops.h | 93 ++++---
arch/x86/kvm/vmx/vmx.c | 306 ++++++++++++++-------
arch/x86/kvm/vmx/vmx.h | 9 +
arch/x86/kvm/x86.c | 197 ++++++++-----
arch/x86/kvm/x86.h | 2 +-
include/linux/cpu.h | 2 +
include/uapi/linux/kvm.h | 1 +
kernel/cpu.c | 11 +-
kernel/locking/qspinlock_paravirt.h | 2 +-
tools/objtool/check.c | 1 -
tools/testing/selftests/kvm/dirty_log_test.c | 79 ++----
tools/testing/selftests/kvm/include/kvm_util.h | 18 +-
.../selftests/kvm/include/x86_64/processor.h | 3 +
.../testing/selftests/kvm/lib/aarch64/processor.c | 3 +
tools/testing/selftests/kvm/lib/kvm_util.c | 67 ++++-
tools/testing/selftests/kvm/lib/x86_64/processor.c | 30 +-
tools/testing/selftests/kvm/lib/x86_64/ucall.c | 2 +-
tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c | 27 ++
36 files changed, 906 insertions(+), 468 deletions(-)
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