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Message-Id: <20210510181441.351452-1-pbonzini@redhat.com>
Date: Mon, 10 May 2021 14:14:41 -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] KVM updates for Linux 5.13-rc2
Linus,
The following changes since commit 9ccce092fc64d19504fa54de4fd659e279cc92e7:
Merge tag 'for-linus-5.13-ofs-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux (2021-05-02 14:13:46 -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 ce7ea0cfdc2e9ff31d12da31c3226deddb9644f5:
KVM: SVM: Move GHCB unmapping to fix RCU warning (2021-05-07 06:06:23 -0400)
Thomas Gleixner and Michael Ellerman had some KVM changes in their
late merge window pull requests, but there are no conflicts.
----------------------------------------------------------------
* Lots of bug fixes.
* Fix virtualization of RDPID
* Virtualization of DR6_BUS_LOCK, which on bare metal is new in
the 5.13 merge window
* More nested virtualization migration fixes (nSVM and eVMCS)
* Fix for KVM guest hibernation
* Fix for warning in SEV-ES SRCU usage
* Block KVM from loading on AMD machines with 5-level page tables,
due to the APM not mentioning how host CR4.LA57 exactly impacts
the guest.
----------------------------------------------------------------
Benjamin Segall (1):
kvm: exit halt polling on need_resched() as well
Bill Wendling (1):
selftests: kvm: remove reassignment of non-absolute variables
Chenyi Qiang (1):
KVM: X86: Add support for the emulation of DR6_BUS_LOCK bit
Colin Ian King (1):
KVM: x86: Fix potential fput on a null source_kvm_file
David Matlack (1):
kvm: Cap halt polling at kvm->max_halt_poll_ns
Kai Huang (2):
KVM: x86/mmu: Avoid unnecessary page table allocation in kvm_tdp_mmu_map()
KVM: x86/mmu: Fix kdoc of __handle_changed_spte
Maxim Levitsky (5):
KVM: nSVM: fix a typo in svm_leave_nested
KVM: nSVM: fix few bugs in the vmcb02 caching logic
KVM: nSVM: leave the guest mode prior to loading a nested state
KVM: nSVM: always restore the L1's GIF on migration
KVM: nSVM: remove a warning about vmcb01 VM exit reason
Nicholas Piggin (1):
KVM: PPC: Book3S HV: Fix conversion to gfn-based MMU notifier callbacks
Paolo Bonzini (1):
KVM: X86: Expose bus lock debug exception to guest
Sean Christopherson (17):
KVM: VMX: Do not advertise RDPID if ENABLE_RDTSCP control is unsupported
KVM: x86: Emulate RDPID only if RDTSCP is supported
KVM: SVM: Inject #UD on RDTSCP when it should be disabled in the guest
KVM: x86: Move RDPID emulation intercept to its own enum
KVM: VMX: Disable preemption when probing user return MSRs
KVM: SVM: Probe and load MSR_TSC_AUX regardless of RDTSCP support in host
KVM: x86: Add support for RDPID without RDTSCP
KVM: VMX: Configure list of user return MSRs at module init
KVM: VMX: Use flag to indicate "active" uret MSRs instead of sorting list
KVM: VMX: Use common x86's uret MSR list as the one true list
KVM: VMX: Disable loading of TSX_CTRL MSR the more conventional way
KVM: x86: Export the number of uret MSRs to vendor modules
KVM: x86: Move uret MSR slot management to common x86
KVM: x86: Tie Intel and AMD behavior for MSR_TSC_AUX to guest CPU model
KVM: x86: Hide RDTSCP and RDPID if MSR_TSC_AUX probing failed
KVM: x86: Prevent KVM SVM from loading on kernels with 5-level paging
KVM: SVM: Invert user pointer casting in SEV {en,de}crypt helpers
Shahin, Md Shahadat Hossain (1):
kvm/x86: Fix 'lpages' kvm stat for TDM MMU
Siddharth Chandrasekaran (2):
doc/kvm: Fix wrong entry for KVM_CAP_X86_MSR_FILTER
KVM: x86: Hoist input checks in kvm_add_msr_filter()
Stefan Raspl (1):
tools/kvm_stat: Fix documentation typo
Thomas Gleixner (2):
KVM: x86: Cancel pvclock_gtod_work on module removal
KVM: x86: Prevent deadlock against tk_core.seq
Tom Lendacky (1):
KVM: SVM: Move GHCB unmapping to fix RCU warning
Vitaly Kuznetsov (9):
x86/kvm: Fix pr_info() for async PF setup/teardown
x86/kvm: Teardown PV features on boot CPU as well
x86/kvm: Disable kvmclock on all CPUs on shutdown
x86/kvm: Disable all PV features on crash
x86/kvm: Unify kvm_pv_guest_cpu_reboot() with kvm_guest_cpu_offline()
KVM: nVMX: Always make an attempt to map eVMCS after migration
KVM: selftests: evmcs_test: Check that VMLAUNCH with bogus EVMPTR is causing #UD
KVM: selftests: evmcs_test: Check that VMCS12 is alway properly synced to eVMCS after restore
KVM: nVMX: Properly pad 'struct kvm_vmx_nested_state_hdr'
Wanpeng Li (1):
KVM: LAPIC: Accurately guarantee busy wait for timer to expire when using hv_timer
Documentation/virt/kvm/api.rst | 4 +-
arch/powerpc/include/asm/kvm_book3s.h | 2 +-
arch/powerpc/kvm/book3s_64_mmu_hv.c | 46 +++--
arch/powerpc/kvm/book3s_64_mmu_radix.c | 5 +-
arch/x86/include/asm/kvm_host.h | 15 +-
arch/x86/include/asm/kvm_para.h | 10 +-
arch/x86/include/uapi/asm/kvm.h | 2 +
arch/x86/kernel/kvm.c | 129 ++++++++-----
arch/x86/kernel/kvmclock.c | 26 +--
arch/x86/kvm/cpuid.c | 20 +-
arch/x86/kvm/emulate.c | 2 +-
arch/x86/kvm/kvm_emulate.h | 1 +
arch/x86/kvm/lapic.c | 2 +-
arch/x86/kvm/mmu/mmu.c | 20 +-
arch/x86/kvm/mmu/tdp_mmu.c | 17 +-
arch/x86/kvm/svm/nested.c | 23 ++-
arch/x86/kvm/svm/sev.c | 32 ++--
arch/x86/kvm/svm/svm.c | 62 +++---
arch/x86/kvm/svm/svm.h | 1 +
arch/x86/kvm/vmx/capabilities.h | 3 +
arch/x86/kvm/vmx/nested.c | 29 ++-
arch/x86/kvm/vmx/vmx.c | 220 +++++++++++-----------
arch/x86/kvm/vmx/vmx.h | 12 +-
arch/x86/kvm/x86.c | 153 +++++++++++----
tools/kvm/kvm_stat/kvm_stat.txt | 2 +-
tools/testing/selftests/kvm/lib/x86_64/handlers.S | 4 +-
tools/testing/selftests/kvm/x86_64/evmcs_test.c | 88 +++++++--
virt/kvm/kvm_main.c | 7 +-
28 files changed, 578 insertions(+), 359 deletions(-)
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