linux-kernel - [GIT PULL] (Non-x86) KVM fixes for Linux 6.5-rc3

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Date:   Sun, 23 Jul 2023 13:01:17 -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] (Non-x86) KVM fixes for Linux 6.5-rc3

Linus,

The following changes since commit fdf0eaf11452d72945af31804e2a1048ee1b574c:

  Linux 6.5-rc2 (2023-07-16 15:10:37 -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 0c189708bfbfa90b458dac5f0fd4379f9a7d547e:

  Merge tag 'kvm-s390-master-6.5-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD (2023-07-23 12:50:30 -0400)

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

* Avoid pKVM finalization if KVM initialization fails

* Add missing BTI instructions in the hypervisor, fixing an early boot
  failure on BTI systems

* Handle MMU notifiers correctly for non hugepage-aligned memslots

* Work around a bug in the architecture where hypervisor timer controls
  have UNKNOWN behavior under nested virt.

* Disable preemption in kvm_arch_hardware_enable(), fixing a kernel BUG
  in cpu hotplug resulting from per-CPU accessor sanity checking.

* Make WFI emulation on GICv4 systems robust w.r.t. preemption,
  consistently requesting a doorbell interrupt on vcpu_put()

* Uphold RES0 sysreg behavior when emulating older PMU versions

* Avoid macro expansion when initializing PMU register names, ensuring
  the tracepoints pretty-print the sysreg.

s390:

* Two fixes for asynchronous destroy

x86 fixes will come early next week.

----------------------------------------------------------------
Claudio Imbrenda (2):
      KVM: s390: pv: simplify shutdown and fix race
      KVM: s390: pv: fix index value of replaced ASCE

Marc Zyngier (3):
      KVM: arm64: timers: Use CNTHCTL_EL2 when setting non-CNTKCTL_EL1 bits
      KVM: arm64: Disable preemption in kvm_arch_hardware_enable()
      KVM: arm64: vgic-v4: Make the doorbell request robust w.r.t preemption

Mostafa Saleh (1):
      KVM: arm64: Add missing BTI instructions

Oliver Upton (2):
      KVM: arm64: Correctly handle page aging notifiers for unaligned memslot
      KVM: arm64: Correctly handle RES0 bits PMEVTYPER<n>_EL0.evtCount

Paolo Bonzini (2):
      Merge tag 'kvmarm-fixes-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
      Merge tag 'kvm-s390-master-6.5-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

Sudeep Holla (1):
      KVM: arm64: Handle kvm_arm_init failure correctly in finalize_pkvm

Xiang Chen (1):
      KVM: arm64: Fix the name of sys_reg_desc related to PMU

 arch/arm64/include/asm/kvm_host.h    |  2 ++
 arch/arm64/include/asm/kvm_pgtable.h | 26 +++++++-------------
 arch/arm64/include/asm/virt.h        |  1 +
 arch/arm64/kvm/arch_timer.c          |  6 ++---
 arch/arm64/kvm/arm.c                 | 28 ++++++++++++++++++---
 arch/arm64/kvm/hyp/hyp-entry.S       |  8 ++++++
 arch/arm64/kvm/hyp/nvhe/host.S       | 10 ++++++++
 arch/arm64/kvm/hyp/nvhe/psci-relay.c |  2 +-
 arch/arm64/kvm/hyp/pgtable.c         | 47 +++++++++++++++++++++++++++++-------
 arch/arm64/kvm/mmu.c                 | 18 ++++++--------
 arch/arm64/kvm/pkvm.c                |  2 +-
 arch/arm64/kvm/sys_regs.c            | 42 ++++++++++++++++----------------
 arch/arm64/kvm/vgic/vgic-v3.c        |  2 +-
 arch/arm64/kvm/vgic/vgic-v4.c        |  7 ++++--
 arch/s390/kvm/pv.c                   |  8 ++++--
 arch/s390/mm/gmap.c                  |  1 +
 include/kvm/arm_vgic.h               |  2 +-
 17 files changed, 140 insertions(+), 72 deletions(-)