linux-kernel - [GIT PULL] More x86 KVM fixes for Linux 5.15-rc7

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Date:   Fri, 22 Oct 2021 13:00:36 -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] More x86 KVM fixes for Linux 5.15-rc7

Linus,

The following changes since commit 9f1ee7b169afbd10c3ad254220d1b37beb5798aa:

  KVM: SEV-ES: reduce ghcb_sa_len to 32 bits (2021-10-18 14:07:19 -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 95e16b4792b0429f1933872f743410f00e590c55:

  KVM: SEV-ES: go over the sev_pio_data buffer in multiple passes if needed (2021-10-22 10:09:13 -0400)

----------------------------------------------------------------
* Cache coherency fix for SEV live migration
* Fix for instruction emulation with PKU
* fixes for rare delaying of interrupt delivery
* fix for SEV-ES buffer overflow

----------------------------------------------------------------
Chenyi Qiang (1):
      KVM: MMU: Reset mmu->pkru_mask to avoid stale data

Masahiro Kozuka (1):
      KVM: SEV: Flush cache on non-coherent systems before RECEIVE_UPDATE_DATA

Paolo Bonzini (9):
      KVM: x86: check for interrupts before deciding whether to exit the fast path
      KVM: nVMX: promptly process interrupts delivered while in guest mode
      KVM: SEV-ES: rename guest_ins_data to sev_pio_data
      KVM: x86: leave vcpu->arch.pio.count alone in emulator_pio_in_out
      KVM: SEV-ES: clean up kvm_sev_es_ins/outs
      KVM: x86: split the two parts of emulator_pio_in
      KVM: x86: remove unnecessary arguments from complete_emulator_pio_in
      KVM: SEV-ES: keep INS functions together
      KVM: SEV-ES: go over the sev_pio_data buffer in multiple passes if needed

 arch/x86/include/asm/kvm_host.h |   3 +-
 arch/x86/kvm/mmu/mmu.c          |   6 +-
 arch/x86/kvm/svm/sev.c          |   7 ++
 arch/x86/kvm/vmx/vmx.c          |  17 ++---
 arch/x86/kvm/x86.c              | 150 +++++++++++++++++++++++++++-------------
 5 files changed, 121 insertions(+), 62 deletions(-)