linux-kernel - [GIT PULL] KVM fixes for Linux 6.10-rc5

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Date: Sat, 22 Jun 2024 02:41:28 -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 fixes for Linux 6.10-rc5

Linus,

The following changes since commit db574f2f96d0c9a245a9e787e3d9ec288fb2b445:

  KVM: x86/mmu: Don't save mmu_invalidate_seq after checking private attr (2024-06-05 06:45:06 -0400)

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 e159d63e6940a2a16bb73616d8c528e93b84a6bb:

  Merge tag 'kvm-riscv-fixes-6.10-2' of https://github.com/kvm-riscv/linux into HEAD (2024-06-21 12:48:44 -0400)

----------------------------------------------------------------
ARM:

* Fix dangling references to a redistributor region if the vgic was
  prematurely destroyed.

* Properly mark FFA buffers as released, ensuring that both parties
  can make forward progress.

x86:

* Allow getting/setting MSRs for SEV-ES guests, if they're using the pre-6.9
  KVM_SEV_ES_INIT API.

* Always sync pending posted interrupts to the IRR prior to IOAPIC
  route updates, so that EOIs are intercepted properly if the old routing
  table requested that.

Generic:

* Avoid __fls(0)

* Fix reference leak on hwpoisoned page

* Fix a race in kvm_vcpu_on_spin() by ensuring loads and stores are atomic.

* Fix bug in __kvm_handle_hva_range() where KVM calls a function pointer
  that was intended to be a marker only (nothing bad happens but kind of
  a mine and also technically undefined behavior)

* Do not bother accounting allocations that are small and freed before
  getting back to userspace.

Selftests:

* Fix compilation for RISC-V.

* Fix a "shift too big" goof in the KVM_SEV_INIT2 selftest.

* Compute the max mappable gfn for KVM selftests on x86 using GuestMaxPhyAddr
  from KVM's supported CPUID (if it's available).

----------------------------------------------------------------
Alexey Dobriyan (1):
      kvm: do not account temporary allocations to kmem

Andrew Jones (1):
      KVM: selftests: Fix RISC-V compilation

Babu Moger (1):
      KVM: Stop processing *all* memslots when "null" mmu_notifier handler is found

Bibo Mao (1):
      KVM: Discard zero mask with function kvm_dirty_ring_reset

Breno Leitao (1):
      KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()

Colin Ian King (1):
      KVM: selftests: Fix shift of 32 bit unsigned int more than 32 bits

Marc Zyngier (1):
      KVM: arm64: Disassociate vcpus from redistributor region on teardown

Michael Roth (1):
      KVM: SEV-ES: Fix svm_get_msr()/svm_set_msr() for KVM_SEV_ES_INIT guests

Paolo Bonzini (4):
      virt: guest_memfd: fix reference leak on hwpoisoned page
      Merge tag 'kvmarm-fixes-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
      Merge tag 'kvm-x86-fixes-6.10-rcN' of https://github.com/kvm-x86/linux into HEAD
      Merge tag 'kvm-riscv-fixes-6.10-2' of https://github.com/kvm-riscv/linux into HEAD

Sean Christopherson (2):
      KVM: x86: Always sync PIR to IRR prior to scanning I/O APIC routes
      MAINTAINERS: Drop Wanpeng Li as a Reviewer for KVM Paravirt support

Tao Su (1):
      KVM: selftests: x86: Prioritize getting max_gfn from GuestPhysBits

Vincent Donnefort (1):
      KVM: arm64: FFA: Release hyp rx buffer

 MAINTAINERS                                           |  1 -
 arch/arm64/kvm/hyp/nvhe/ffa.c                         | 12 ++++++++++++
 arch/arm64/kvm/vgic/vgic-init.c                       |  2 +-
 arch/arm64/kvm/vgic/vgic-mmio-v3.c                    | 15 +++++++++++++--
 arch/arm64/kvm/vgic/vgic.h                            |  2 +-
 arch/x86/kvm/svm/svm.c                                |  4 ++--
 arch/x86/kvm/x86.c                                    |  9 ++++-----
 .../testing/selftests/kvm/include/x86_64/processor.h  |  1 +
 tools/testing/selftests/kvm/lib/riscv/ucall.c         |  1 +
 tools/testing/selftests/kvm/lib/x86_64/processor.c    | 15 +++++++++++++--
 tools/testing/selftests/kvm/riscv/ebreak_test.c       |  1 +
 tools/testing/selftests/kvm/riscv/sbi_pmu_test.c      |  1 +
 tools/testing/selftests/kvm/x86_64/sev_init2_tests.c  |  4 ++--
 virt/kvm/dirty_ring.c                                 |  3 +++
 virt/kvm/guest_memfd.c                                |  5 +++--
 virt/kvm/kvm_main.c                                   | 19 ++++++++++---------
 16 files changed, 68 insertions(+), 27 deletions(-)